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OMEROS CORP

For the period ended Dec 31, 2025. Filed Mar 31, 2026.

View on SEC.gov

About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 31, 2026

OMER$16.92-0.9%Stored close · as of Nov 6, 2026

What changed in Risk Factors?

Read the current filing

Previous report: 10-K

Period ended 2024-12-31; filed 2025-03-31.

0001437749-25-010216

Item 1A. Risk Factors

Current report: 10-K

Period ended 2025-12-31; filed 2026-03-31.

0001437749-26-010636

Item 1A. Risk Factors

The baseline is this issuer’s latest earlier reporting period of the same form that was filed before the current report. A previous 10-Q is a different quarter, not a year-over-year comparison. Amendments are excluded.

Compared 134 previous paragraphs and 146 current paragraphs.

72 unchanged; 44 reworded; 30 added; 17 removed; 1 previous and 0 current paragraphs rearranged.

Tables are not compared: 0 previous and 14 current tables excluded. Dates, whitespace, punctuation and numbering changes are ignored; changes to financial figures remain significant.

A changed paragraph is not evidence that risk increased or decreased. An unchanged paragraph does not establish that risk stayed the same.

Added paragraphs (30)

Current report

Our ability to achieve profitability is highly dependent on the commercial success of YARTEMLEA, and to the extent YARTEMLEA is not successful, our business, financial condition and results of operations may be materially adversely affected and the price of our common stock may decline.

Current report

YARTEMLEA is our only commercialized product and was approved by FDA for commercial sale in the United States in December 2025. Our near‑term commercial prospects are highly dependent on YARTEMLEA in its approved indication, and any adverse developments affecting YARTEMLEA could have a disproportionate adverse effect on our business. We will need to generate substantial product revenue from YARTEMLEA to fund our operations fully and to achieve and sustain profitability. We may be unable to successfully commercialize YARTEMLEA for a number of reasons, including:

Current report

If we are not able to successfully commercialize YARTEMLEA for these or other reasons, our ability to generate sufficient revenues from product sales to achieve profitability will be adversely affected and the market price of our common stock could decline significantly.

Current report

Our ability to realize further value from zaltenibart depends on the development and commercialization efforts of Novo Nordisk.

Current report

Our ability to realize further value from zaltenibart depends on Novo Nordisk’s successful development, regulatory approval, and commercialization of zaltenibart. As a result of our APLA with Novo Nordisk, Novo Nordisk now controls key decisions regarding the development, regulatory strategy, manufacturing, and commercialization of zaltenibart. This means that whether we receive payments potentially due to us under the terms of the APLA, and the magnitude of such payments, depends on Novo Nordisk’s ability to advance development and obtain regulatory approval of zaltenibart. Novo Nordisk may not successfully advance development, obtain regulatory approval or commercialize zaltenibart products for many reasons, including that it may determine not to pursue development in certain indications, may delay or discontinue development programs, or may prioritize other programs in its pipeline.

Current report

In addition, the potential consideration we may yet receive under the APLA consists of development milestones, sales milestones, and royalties on net sales of products containing zaltenibart. These payments are contingent on factors outside of our control such as the successful development, regulatory approval, and commercialization of zaltenibart, any of which may never occur. If Novo Nordisk does not successfully develop or commercialize zaltenibart, or if commercialization is less successful than anticipated, we may receive substantially less in milestone and royalty payments than we currently expect or no additional payments at all. Further, even if products containing zaltenibart are successfully commercialized, the amount of royalty revenue we receive may vary significantly from period to period and may be affected by factors such as pricing, reimbursement, sales volumes, competition, and other market conditions. In sum, our ability to realize further value from this transaction could be materially adversely affected and, in turn, our future operating results and financial condition could be materially adversely affected.

Current report

● support YARTEMLEA sales and marketing;

Current report

As of December 31, 2025, we had $17.1 million total aggregate principal amount outstanding of our 5.25% convertible senior notes due on February 15, 2026 (the “2026 Notes”), which have since matured and been repaid in full, $70.8 million total aggregate principal amount outstanding of our 2029 Notes, and approximately $1.2 million of outstanding finance lease obligations. We may incur additional indebtedness to meet future financing needs, which may have the effect of:

Current report

We may face a variety of risks associated with international operations that, if realized, could materially adversely affect our business.

Current report

We may be subject to additional risks for YARTEMLEA or any of our product candidates that are marketed outside the U.S., including:

Current report

Any of these risks, if realized, could increase our operating expenses and reduce our revenues.

Current report

● the level and timing of commercial sales of YARTEMLEA, as well as our product candidates if and when approved or commercialized;

Current report

● the availability and adequacy of payer reimbursement for YARTEMLEA;

Current report

● the amount of YARTEMLEA chargebacks, rebates and product returns;

Current report

● the extent and magnitude of certain milestone and royalty payments to which we may be entitled based on Novo Nordisk’s development, commercialization, and net sales of zaltenibart;

Current report

Failure to comply with any YARTEMLEA post-marketing requirement or commitment could materially adversely affect the commercial prospects of YARTEMLEA and our business.

Current report

Following FDA approval of YARTEMLEA, we remain subject to ongoing regulatory oversight, including a post-marketing requirement and post-marketing commitments. These include, among other obligations, a post-marketing requirement safety registry and post-marketing commitments related to a pediatric PK/PD study and CMC. The associated timelines extend over multiple years.

Current report

Failure to satisfy these obligations in a timely manner, or at all, could result in actions from the FDA such as warning letters, misbranding findings, monetary penalties, or potentially even suspending or withdrawing approval for YARTEMLEA. In addition, the emergence of new safety, efficacy, or manufacturing information, whether from required studies, real-world use, or regulatory review, could lead the FDA or other regulatory authorities to impose labeling changes, restrict use, require additional studies, or, in more serious cases, suspend or withdraw approval. Any such actions could materially and adversely affect the commercial prospects of YARTEMLEA and our business.

Current report

Our obligations under the Transition Services Agreement require us to utilize significant internal resources that could otherwise be used to advance our other programs.

Current report

In connection with the APLA, we entered into a Transition Services Agreement under which we are required to provide certain transition services to facilitate the transfer of the acquired assets and liabilities under the APLA and to provide for the continued operation of relevant studies and program activities during the applicable term, subject to reimbursement by Novo Nordisk.

Current report

Providing these services requires us to devote management time and internal personnel and other resources that could otherwise be used to advance our drug candidates, programs, and operations. As a result, our obligations under the Transition Services Agreement may divert resources away from our drug candidates, programs, and operations and may delay or limit our ability to advance these drug candidates, programs, and operations.

Current report

Novo Nordisk controls significant aspects of the prosecution, maintenance, and enforcement of key intellectual property covering zaltenibart products, and its failure to protect, enforce, or maintain that intellectual property could adversely affect the commercial value of zaltenibart products and, in turn, the milestone or royalty payments we receive.

Current report

Under our APLA with Novo Nordisk, we transferred certain patent rights and other intellectual property relating to zaltenibart and granted Novo Nordisk rights to exploit that intellectual property. As a result, Novo Nordisk controls significant aspects of the prosecution, maintenance, and enforcement of key intellectual property covering zaltenibart products.

Current report

Because Novo Nordisk controls these activities, we have limited ability to influence how such intellectual property is prosecuted, maintained, defended, or enforced. Novo Nordisk may decide not to pursue, enforce, or defend certain intellectual property rights or may do so in a manner with which we disagree. If intellectual property protecting zaltenibart products is not adequately protected, enforced, or maintained, the commercial value of zaltenibart products and, in turn, the milestone payments or royalties we may receive could be adversely affected.

Current report

Our use of artificial intelligence exposes us to deficient outputs, unintentional disclosures, and an evolving regulatory landscape.

Current report

We use artificial intelligence (“AI”), including machine learning and generative AI technologies, in various aspects of our business, including research and development, data analysis, and certain internal functions. Use of AI systems presents risks and uncertainties, as they may generate inaccurate, incomplete, or biased outputs. Reliance on such deficient outputs could lead to flawed analyses, operational errors, or suboptimal decision-making, including in connection with scientific, regulatory, or commercial activities, which, in turn, could adversely affect our business, financial condition, and results of operations.

Current report

In addition, some of the AI tools we use are provided by third-party vendors, and our use of these technologies may involve the processing of proprietary, confidential, or other sensitive data. If such data were improperly disclosed, accessed by unauthorized parties, incorporated into external AI training models, or otherwise misused, our intellectual property, competitive position, and reputation could be harmed. Our use of AI also exposes us to evolving legal and regulatory requirements relating to data privacy, cybersecurity, intellectual property, and the use of automated decision-making technologies, and compliance with these requirements may increase our costs or limit our ability to deploy AI tools effectively. If we fail to manage these risks effectively, our business, financial condition, and results of operations could be adversely affected.

Current report

Further, the landscape of available AI is rapidly evolving. If our competitors adopt more effective AI, we may be adversely affected by the competitive disadvantage.

Current report

Our ability to use our net operating loss carryforwards and certain other tax attributes to offset taxable income or taxes may be limited.

Current report

We have incurred substantial losses during our history, and we may never become or remain profitable. As of December 31, 2025, we had U.S. federal net operating loss (“NOL”) carryforwards of approximately $386.4 million and state NOL carryforwards of approximately $229.8 million. Pre-2018 U.S. federal NOL carryforwards of $45.4 million expire between 2035 and 2037. Under the Internal Revenue Code of 1986, as amended (the “Code”), our post-2018 U.S. federal NOL carryforwards will not expire and may be carried forward indefinitely but the deductibility of such NOL carryforwards is limited to no more than 80% of current year taxable income (with certain adjustments). In addition, under Sections 382 and 383 of the Code, if a corporation undergoes an “ownership change,” generally defined as a greater than 50 percentage point change (by value) in its equity ownership by certain stockholders over a three-year period, the corporation’s ability to use its pre-change NOL carryforwards and other pre-change tax attributes to offset its post-change income or taxes may be limited. We completed a Section 382 study through December 31, 2025, which showed no limitation on the use of our NOLs or tax credits. However, there may be ownership changes since the completion of that study, including in connection with this offering or as a result of subsequent changes in our stock ownership, some of which may be outside of our control. As a result, if we undergo an ownership change, and our ability to use our pre-change NOL carryforwards and other pre-change tax attributes (such as research tax credits) to offset our post-change income or taxes is limited, it would harm our future results of operations by effectively increasing our future tax obligations. Similar provisions of state tax law may also apply to limit our use of accumulated state tax attributes. In addition, at the state level, there may be periods during which the use of NOL carryforwards is suspended or otherwise limited, which could accelerate or permanently increase our state taxes owed. As a result, even if we attain profitability, we may be unable to use all or a material portion of our NOL carryforwards and other tax attributes, which could adversely affect our future cash flows.
Removed paragraphs (17)

Previous report

Management has concluded that a substantial doubt is deemed to exist concerning our ability to continue as a going concern.

Previous report

As further discussed in Part II, Item 8, “Note 1—Organization and Basis of Presentation” to our Consolidated Financial Statements in this Annual Report on Form 10-K, substantial doubt exists regarding our ability to continue as a going concern through one year from the issuance of the Company's consolidated financial statements included in this Annual Report on Form 10-K. Our financial statements do not include any adjustment relating to the recoverability and classification of assets or the amounts and classification of liabilities that might be necessary should we be unable to continue as a going concern. Our ability to continue as a going concern will require us to generate positive cash flow from operations, obtain additional financing, enter into strategic alliances and/or sell assets. Our limited cash resources, which are impacted by a covenant in the Credit Agreement requiring us to maintain $25.0 million of unrestricted cash, cash equivalents and short-term investments at all times, and our potential inability to continue as a going concern may materially adversely affect our share price and our ability to raise new capital, enter into strategic alliances and/or make our scheduled debt payments on a timely basis or at all. If we become unable to continue as a going concern, we may have to liquidate our assets and the values we receive for our assets in liquidation or dissolution could be significantly lower than the values reflected in our financial statements.

Previous report

● make interest payments under the initial term loan of $67.1 million provided pursuant to the Credit Agreement (the “Initial Term Loan”); and

Previous report

Our Credit Agreement places restrictions on our operating and financial flexibility and could, if we were to default, adversely affect our liquidity and ability to retain title to our assets.

Previous report

We have borrowed approximately $67.1 million under the Credit Agreement and pledged substantially all of our assets, including our intellectual property, as collateral. The Credit Agreement restricts or places conditions on, among other things, our ability to incur indebtedness, grant liens, dispose of assets, make investments, make acquisitions, enter into certain transactions with affiliates, pay cash dividends or make distributions, repurchase stock, repurchase our 2026 Notes, license certain of our intellectual property on an exclusive basis and engage in significant business transactions such as a change of control. Any of these restrictions could significantly limit our operating and financial flexibility and ability to respond to changes in our business or competitive activities. The failure to satisfy these or other obligations under the Credit Agreement could constitute an event of default, which could provide the lenders with a right to accelerate our repayment obligations under the Credit Agreement and to take control of our pledged assets, which includes substantially all of our intellectual property assets. Upon acceleration of the Credit Agreement, we would be required to repay outstanding amounts immediately or to attempt to reverse the declaration through negotiation or litigation. In addition, if an acceleration event were to occur under the Credit Agreement and not be cured, the trustee or the holders of the 2026 Notes would have the right to accelerate our repayment obligations for all principal and accrued and unpaid interest on the 2026 Notes then outstanding. If we are unable to repay amounts outstanding under the 2026 Notes and Credit Agreement, we could be forced into bankruptcy or liquidation and we would lose title to substantially all of our assets, including our intellectual property. In any related proceeding, the lenders’ right to repayment under the Credit Agreement would be senior to the right of repayment of the holders of the 2026 Notes and the rights of both would be senior to the rights of the holders of our common stock. Any event of default could accordingly have a material adverse effect on our operations, financial condition and liquidity, and could cause the price of our 2026 Notes and common stock to decline significantly.

Previous report

As of December 31, 2024, we had $97.2 million total aggregate principal amount of our 2026 Notes outstanding, $67.1 million total aggregate principal amount outstanding under the Initial Term Loan, and we had approximately $2.0 million of outstanding finance lease obligations. We may incur additional indebtedness to meet future financing needs. As described above, our Credit Agreement places restrictions on our operating and financial flexibility, and our other existing and future indebtedness could also have significant negative consequences for our security holders and our business, results of operations and financial condition by, among other things:

Previous report

The regulatory process is subject to substantial agency discretion and risks, including those described herein and elsewhere in these “Risk Factors.” In October 2021, we received a CRL from FDA regarding our BLA for narsoplimab for the treatment of TA-TMA. In the CRL, FDA expressed difficulty in estimating the treatment effect of narsoplimab in TA-TMA and asserted that additional information would be needed to support regulatory approval. We appealed FDA’s decision to issue the CRL through a formal dispute resolution process that concluded in late 2022. Although our appeal was denied, the decision identified a potential path for resubmission of the BLA based on inclusion of certain additional information and analyses. Based on the decision and on subsequent interactions with FDA, we proposed a statistical analysis plan to assess data from our pivotal clinical trial, existing data from an historical control population available from an external source and data from the narsoplimab expanded access program. The primary endpoint under the analysis plan is patient survival in our pivotal narsoplimab trial compared to that in an external registry of TA-TMA patients who were not treated with narsoplimab. Analyses similar to the primary analysis comparing survival in TA-TMA patients treated with narsoplimab under a global EAP to that of similarly at-risk TA-TMA registry patients were also included in the analysis plan, along with sensitivity analyses related to each of the primary and EAP comparisons. All statistical analyses were conducted by an independent statistical group. These data and analyses are included in our recently resubmitted BLA for narsoplimab in TA-TMA. We expect also to include these data and analyses in the MAA for narsoplimab in this indication.

Previous report

We cannot guarantee when or if FDA or EMA will approve narsoplimab for the treatment of TA-TMA. Even if our clinical data, data from our EAP and statistical analyses comparing these data to an external registry of TA-TMA patients provide favorable evidence of the effectiveness of narsoplimab in the treatment of TA-TMA, the reviewing agency may determine that such evidence is insufficient to support regulatory approval for any reason, including unfavorable interpretation of our analysis results, potential differences between the diagnostic criteria used in our pivotal trial and in the external registry, a determination by the reviewing agency that the registry used in our statistical analysis is insufficiently representative of TA-TMA patients to provide a reliable control, FDA’s assessment of the comparability of the registry to the population in our pivotal trial, the sufficiency of our sensitivity analyses, and/or the lack of additional control sources. Additionally, we do not currently have narsoplimab manufacturing slots scheduled with our contract manufacturing partner and, if a pre-licensing inspection is requested in connection with agency review of our BLA or MAA, we may face difficulty in securing manufacturing capacity to support such inspection at reasonable cost, or at all, our manufacturing partner may also fail to provide other needed regulatory support on a timely basis, or at all. Any difficulties associated with our contract manufacturer’s support in connection with regulatory processes could prevent or delay review and approval of our marketing application. Overall, the requirements for resubmission of our BLA have been and may continue to be costly, require significant time and may not result in approval. Ultimately, we cannot guarantee that FDA or EMA will ever approve narsoplimab for the treatment of TA-TMA or any other indication.

Previous report

Our ability to meet our future capital requirements is partially dependent on certain milestone and royalty payments that we are eligible to receive based on Rayner’s sales of OMIDRIA, and, if sales of OMIDRIA are less than anticipated and/or Rayner is unable to expand sales of OMIDRIA outside the U.S., our financial condition and results of operations may be materially adversely affected, the price of our common stock may decline and we may be unable to access needed capital on favorable terms, or at all.

Previous report

● whether, and to what extent, Rayner is able to expand sales of OMIDRIA outside the U.S.;

Previous report

● pricing, coverage and reimbursement policies of government and private payers such as Medicare, Medicaid, the U.S. Department of Veterans Affairs, group purchasing organizations, insurance companies, health maintenance organizations and other plan administrators;

Previous report

● a lack of acceptance by physicians, patients and other members of the healthcare community;

Previous report

● interruptions in the supply of OMIDRIA;

Previous report

● the availability, relative price and efficacy of the product as compared to alternative treatment options or branded, compounded or generic competing products;

Previous report

● an unknown safety risk; and

Previous report

● changed or increased regulatory restrictions in the U.S., EU and/or other foreign territories.

Previous report

In particular, because PNH and C3G, the indications for which our ongoing clinical trials are evaluating zaltenibart, are rare conditions, we have opened and expect to continue opening clinical sites in Ukraine and other countries that may be affected by armed conflict or political instability or that have not been traditionally established as centers for clinical research. Like Ukraine, some of these areas have been, and may continue to be, affected by such conflict, instability and/or health infrastructure challenges. Enrollment and retention of patients in, or the ability to receive results from, these clinical trials could be disrupted by the existing conditions in these areas or other geopolitical or macroeconomic developments. If patients withdraw from our trials, miss scheduled doses or follow-up visits or otherwise fail to follow trial protocols, if we are unable to resupply the drugs to clinical sites on schedule, or if our trial results are otherwise disrupted or disputed due to such conditions and developments, the integrity of data from our trials may be compromised or not accepted by FDA or other regulatory authorities, which would represent a significant setback for the development of this product candidate.
Reworded paragraphs (44)

Previous wording

Risks Related to Our Product Candidates, Programs and Operations

Current wording

Risks Related to Our Products, Product Candidates, Programs and Operations

Previous wording

If any product that we develop and commercialize does not receive adequate coverage or reimbursement from governments and/or private payers our prospects for revenue and profitability would suffer.

Current wording

If YARTEMLEA oranyother product that we develop and commercialize does not receive adequate coverage or reimbursement from governments and/or private payers our prospects for revenue and profitability would suffer.

Previous wording

The success of any product that we or our third-party business partners commercialize in the future will depend heavily on the pricing, availability and duration of adequate coverage or reimbursement for any such product from government, private and other third-party payers, both in the U.S. and in other countries.

Current wording

The success of YARTEMLEA or any product that we or our third-party business partners commercialize in the future will depend heavily on the pricing, availability and duration of adequate coverage or reimbursement for any such product from government, private and other third-party payers, both in the U.S. and in other countries.

Previous wording

We have incurred cumulative operating losses since inception. If we are unable to raise additional capital when needed we may be unable to complete the development and commercialization of our product candidates or to continue our other preclinical development programs.

Current wording

We have incurred cumulative operating losses since inception. If we are unable to raise additional capital when needed, we may be unable to complete the development and commercialization of our products and product candidates or to continue our other preclinical development programs.

Previous wording

Our operations have consumed substantial amounts of cash since our incorporation, As of December 31, 2024, we had cash, cash equivalents and short-term investments of $90.1 million. Our cash used in operations was $148.8 million and our net loss for the year ended December 31, 2024 was $156.8 million. Pursuant to a covenant in the Credit Agreement, we must maintain $25.0 million of unrestricted cash, cash equivalents and short-term investments at all times. We expect to continue to spend substantial amounts to:

Current wording

Our operations have consumed substantial amounts of cash since our incorporation, As of December 31, 2025, we had cash, cash equivalents and short-term investments of $171.8 million. Our cash used in operations for the year ended December 31, 2025 was $116.1 million and our net loss for the year ended December 31, 2025 was $3.4 million. We expect to continue to spend substantial amounts to:

Previous wording

● commercialize and launch product candidates for which we may receive regulatory approval.

Current wording

● commercialize YARTEMLEA and any other product candidates for which we may receive regulatory approval in the future;

Previous wording

● continue our research and development in our programs;

Current wording

● continue our research and development programs; and

Previous wording

● make principal, interest and fee payments as required under our 2026 Notes;

Current wording

● make principal, interest and fee payments as required under our convertible senior notes maturing on June 15, 2029 (the “2029 Notes”).

Previous wording

We expect to continue to incur additional losses until such time as we generate significant revenue from the sale of commercial products or from partnerships. We are unable to predict the extent of any future losses and cannot provide assurance that we will generate sufficient revenue from commercial products in the future to fund our operations fully. If we are unable to generate sufficient revenue from commercialized products or partnership arrangements, we may never become and remain profitable and will be required to raise additional capital to continue to fund our operations. We cannot be certain that additional capital will be available to us on acceptable terms, if at all, when required. Adverse developments to our financial condition or business, as well as disruptions in the global equity and credit markets, may limit our ability to access capital. In addition, pursuing debt financings, certain equity offerings or other strategic transactions may result in mandatory prepayments of the Initial Term Loan. If we do not raise additional capital when needed through one or more funding avenues, such as debt or equity financings or corporate partnering, we may have to significantly delay, scale back or discontinue the development or commercialization of one or more of our product candidates or one or more of our preclinical programs or other research and development initiatives. In addition, we may be required to seek collaborators for one or more of our current or future products at an earlier stage than otherwise would be desirable or on terms that are less favorable than otherwise might be available or to relinquish or license on unfavorable terms our rights to technologies or products that we otherwise would seek to develop or commercialize ourselves. We also may have insufficient funds or otherwise be unable to advance our preclinical programs to a point where they can generate revenue through partnerships, collaborations or other arrangements. Any of these actions could limit the amount of revenue we are able to generate and harm our business and prospects.

Current wording

We expect to continue to incur additional losses until such time as we generate significant revenue from the sale of YARTEMLEA or other commercial products or from our APLA with Novo Nordisk or other partnerships. We are unable to predict the extent of any future losses and cannot provide assurance that we will generate sufficient revenue from YARTEMLEA or commercial products in the future to fund our operations fully. If we are unable to generate sufficient revenue from YARTEMLEA or other commercialized products or partnership arrangements, we may never become and remain profitable and will be required to raise additional capital to continue to fund our operations. We cannot be certain that additional capital will be available to us on acceptable terms, if at all, when required. Adverse developments to our financial condition or business, as well as disruptions in the global equity and credit markets, may limit our ability to access capital. If we do not raise additional capital when needed through one or more funding avenues, such as debt or equity financings or corporate partnering, we may have to significantly delay, scale back or discontinue the development or commercialization of one or more of our product candidates or one or more of our preclinical programs or other research and development initiatives. In addition, we may be required to seek collaborators for one or more of our current or future products at an earlier stage than otherwise would be desirable or on terms that are less favorable than otherwise might be available or to relinquish or license on unfavorable terms our rights to technologies or products that we otherwise would seek to develop or commercialize ourselves. We also may have insufficient funds or otherwise be unable to advance our preclinical programs to a point where they can generate revenue through partnerships, collaborations or other arrangements. Any of these actions could limit the amount of revenue we are able to generate and harm our business and prospects.

Previous wording

In addition to our Credit Agreement, our other indebtedness and liabilities and any future indebtedness could limit the cash flow available for our operations and expose us to risks that could adversely affect our business, financial condition and results of operations.

Current wording

Our indebtedness and liabilities and any future indebtedness could limit the cash flow available for our operations and expose us to risks that could adversely affect our business, financial condition and results of operations.

Previous wording

● diluting the interests of our existing stockholders as a result of issuing shares of our common stock upon any conversion of the 2026 Notes;

Current wording

● diluting the interests of our existing stockholders as a result of issuing shares of our common stock upon any conversion of the 2029 Notes or additional convertible notes that we may issue in the future;

Previous wording

Our ability to make scheduled payments of the principal of, to pay interest on, or to refinance our indebtedness depends on our future performance, which is subject to many factors, including economic, financial, competitive and other circumstances beyond our control. Our business may not generate sufficient funds, and we may otherwise be unable to maintain sufficient cash reserves, to pay amounts due under our indebtedness and our cash needs may increase in the future. In addition, future indebtedness that we may incur may contain financial and other restrictive covenants that further limit our ability to operate our business, raise capital or make payments under our other indebtedness. If we fail to comply with these covenants or to make payments under our indebtedness when due, then we would be in default under that indebtedness, which could, in turn, result in that and our other indebtedness becoming immediately payable in full.

Current wording

Our ability to make scheduled payments of the principal of, to pay interest on, or to refinance our indebtedness depends on our future performance, which is subject to many factors, including economic, financial, competitive and other circumstances beyond our control. Our business may not generate sufficient funds, and we may otherwise be unable to maintain sufficient cash reserves, to pay amounts due under our indebtedness and our cash needs may increase in the future. In addition, future indebtedness that we may incur may contain financial and other restrictive covenants that limit our ability to operate our business, raise capital or make payments under our other indebtedness. If we fail to comply with these covenants or to make payments under our indebtedness when due, then we would be in default under that indebtedness, which could, in turn, result in that and our other indebtedness becoming immediately payable in full.

Previous wording

Failure to obtain and maintain regulatory approval in the U.S. or in foreign jurisdictions would prevent us from commercializing and marketing our product candidates.

Current wording

Failure to obtain and maintain regulatory approval in the EU or other foreign jurisdictions would prevent us from commercializing and marketing YARTEMLEA or future commercialized products.

Previous wording

We also intend to market outside the U.S. any of our product candidates that are approved in the future. In order to market our products in non-U.S. jurisdictions, we or our partners must obtain separate regulatory approvals and comply with numerous and varying regulatory requirements. The regulatory approval procedure varies among countries and can involve additional testing and data review. The requirements governing marketing authorization, the conduct of clinical trials, pricing and reimbursement vary from country to country. Approval by FDA does not ensure approval by the EMA, and approval by one foreign regulatory authority does not ensure approval by regulatory agencies in other foreign countries or by FDA. The time required to obtain regulatory approval outside the U.S. and EU may differ from that required to obtain FDA or EU approval. The foreign regulatory approval process may include all of the risks associated with obtaining FDA approval discussed in these “Risk Factors” and we may not obtain foreign regulatory approvals on a timely basis, or at all. In addition, even if we were able to obtain regulatory approval for a product in one or more foreign jurisdictions, we may need to complete additional requirements to maintain that approval and our ability to market the product in the applicable jurisdiction.

Current wording

We intend to market YARTEMLEA and any of our product candidates that are approved in the future outside the U.S. In order to market our products in non-U.S. jurisdictions, we or our partners must obtain separate regulatory approvals and comply with numerous and varying regulatory requirements. The regulatory approval procedure varies among countries and can involve additional testing and data review. The requirements governing marketing authorization, the conduct of clinical trials, pricing and reimbursement vary from country to country. Approval by FDA does not ensure approval by the EMA, and approval by one foreign regulatory authority does not ensure approval by regulatory agencies in other foreign countries or by FDA. The time required to obtain regulatory approval outside the U.S. and EU may differ from that required to obtain FDA or EU approval. We may not obtain foreign regulatory approvals on a timely basis, or at all. In addition, even if we were able to obtain regulatory approval for a product in one or more foreign jurisdictions, we may need to complete additional requirements to maintain that approval and our ability to market the product in the applicable jurisdiction.

Previous wording

● the extent and magnitude of certain payments to which we may be entitled based on Rayner’s net sales of OMIDRIA may be affected by the extent of coverage and reimbursement for OMIDRIA, market acceptance of the product and Rayner’s ability to execute an effective sales strategy;

Current wording

● the extent and magnitude of certain payments to which we may be entitled based on net sales of OMIDRIA by Rayner Surgical, Inc. (“Rayner”) depend on Rayner’s ability to successfully market and sell OMIDRIA and may be affected by the extent of coverage and reimbursement for OMIDRIA, market acceptance of the product and Rayner’s ability to execute an effective sales strategy;

Previous wording

● the timing, cost and level of investment in our research and development activities as well as expenditures we may incur to acquire or develop additional technologies, product candidates, or in preparation for potential commercialization of our product candidates; and

Current wording

● the timing, cost and level of investment in our research and development activities as well as expenditures we may incur to acquire or develop additional technologies, products and product candidates, or in preparation for potential commercialization of our product candidates; and

Previous wording

Significant changes to the size, structure, powers and operations of the U.S. federal government, as well as recent policy actions by the U.S. federal government, may cause economic disruptions that could, in turn, adversely impact our business, results of operations and financial conditions.

Current wording

Significant changes to the size, structure, powers and operations of the U.S. federal government, as well as policy actions by the U.S. federal government, may cause economic disruptions or changes in the regulatory environment that could, in turn, adversely impact our business, results of operations and financial condition.

Previous wording

The new administration has begun to implement significant changes to the size and scope of the federal government to achieve stated goals including reducing the federal budget deficit and national debt, improving the efficiency of government operations, and promoting innovation and economic growth. To date, these efforts have been carried out through a mix of executive actions aimed at eliminating or modifying federal agency and federal program funding, reducing the size of the federal workforce, reducing or altering the scope of activities conducted by, and possibly eliminating, various federal agencies and bureaus. If implemented, these changes may have varied effects on the economy that are difficult to predict. For instance, the delivery of government services and the distribution of federal program funds and benefits may be disrupted or, in some cases, eliminated as a result of funding cuts, recasting of federal agency mandates or a substantial reduction of the federal workforce. We rely on the availability, predictability and efficiency of federal agencies including FDA, NIDA and others in connection with the operation of our business and programs. Our business, financial condition and results of operations could be materially and adversely affected by disruptions affecting these or other agencies in areas relevant to our programs and operations.

Current wording

The current U.S. administration has implemented significant changes to the size and scope of the federal government to achieve stated goals including reducing the federal budget deficit and national debt, improving the efficiency of government operations, and promoting innovation and economic growth. To date, these efforts have been carried out through a mix of executive actions aimed at eliminating or modifying federal agency and federal program funding, reducing the size of the federal workforce, reducing or altering the scope of activities conducted by, and possibly eliminating, various federal agencies and bureaus. These changes may have varied effects on the economy that are difficult to predict. For instance, the delivery of government services and the distribution of federal program funds and benefits may be disrupted or, in some cases, eliminated as a result of funding cuts, recasting of federal agency mandates or a substantial reduction of the federal workforce. We rely on the availability, predictability and efficiency of federal agencies including FDA, NIDA and others in connection with the operation of our business and programs. Our business, financial condition and results of operations could be materially and adversely affected by disruptions affecting these or other agencies in areas relevant to our programs and operations.

Previous wording

In addition, recent policy actions by the new U.S. administration, including the imposition of new tariffs on imported materials and goods from certain foreign countries, including Canada, Mexico and China, and the temporary freeze on federal grants and loans, may have an adverse impact on our business. Increased tariffs on critical raw materials, components, and finished goods could raise our production costs, disrupt our supply chain, and reduce our competitiveness in the marketplace. Additionally, the administration's halt on certain federal research grants may negatively impact our industry. Any prolonged reductions in such funding could slow innovation, delay collaborations, and limit the adoption of new technologies that contribute to our business growth. If these or similar policy changes continue or expand, we may face increased costs. Although we cannot predict the full extent of these impacts, any prolonged disruption could adversely affect our business, financial condition, and results of operations.

Current wording

In addition, policy actions by the U.S. administration, including broad imposition of tariffs, may have an adverse impact on our business. Increased tariffs on critical raw materials, components, and finished goods could raise our production costs, disrupt our supply chain, and reduce our competitiveness in the marketplace. If these or other policy changes continue or expand, we may face increased costs. Although we cannot predict the full extent of these impacts, any prolonged disruption could adversely affect our business, financial condition, and results of operations.

Previous wording

Obtaining FDA approval of our product candidates requires substantial time, effort and financial resources and may be subject to both expected and unforeseen delays, and there can be no assurance that any approval will be granted on any of our product candidates on a timely basis, if at all. As was the case with our BLA for narsoplimab in TA-TMA, with respect to which FDA issued a CRL, even after collaborating closely with FDA or regulators with corollary responsibilities in jurisdictions outside the U.S. regarding the contents of a marketing application a regulator may decide that the design of our clinical trials or clinical data collection protocols as actually run, or our resulting data, are insufficient for approval of our product candidates. FDA or other regulators may require us to run additional preclinical, clinical or other studies or perform additional work related to chemistry, manufacturing and controls. In addition, we, FDA or an independent institutional review board or ethics committee may suspend or terminate human clinical trials at any time on various grounds, including a finding that the patients are or would be exposed to an unacceptable health risk or because of the way in which the investigators on whom we rely carry out the trials. We are subject to extensive government regulation of the testing of our investigational products, including the requirement that we conduct all of our clinical trials in accordance with FDA’s GCP requirements and similar requirements outside of the U.S. If we are unable to comply with these requirements, if we are required to conduct additional trials or to conduct other testing of our product candidates beyond that which we currently contemplate for regulatory approval, if we are unable to complete our clinical trials or other testing successfully, or if the results of these and other trials or tests fail to demonstrate efficacy or raise safety concerns, we may face substantial additional expenses, be delayed in obtaining marketing approval for our product candidates or may never obtain marketing approval.

Current wording

Obtaining FDA approval of our product candidates requires substantial time, effort and financial resources and may be subject to both expected and unforeseen delays, and there can be no assurance that any approval will be granted on any of our product candidates on a timely basis, if at all. Even after collaborating closely with FDA or regulators with corollary responsibilities in jurisdictions outside the U.S. regarding the contents of a marketing application a regulator may decide that the design of our clinical trials or clinical data collection protocols as actually run, or our resulting data, are insufficient for approval of our product candidates. FDA or other regulators may require us to run additional preclinical, clinical or other studies or perform additional work related to chemistry, manufacturing and controls. In addition, we, FDA or an independent institutional review board or ethics committee may suspend or terminate human clinical trials at any time on various grounds, including a finding that the patients are or would be exposed to an unacceptable health risk or because of the way in which the investigators on whom we rely carry out the trials. We are subject to extensive government regulation of the testing of our investigational products, including the requirement that we conduct all of our clinical trials in accordance with FDA’s GCP requirements and similar requirements outside of the U.S. If we are unable to comply with these requirements, if we are required to conduct additional trials or to conduct other testing of our product candidates beyond that which we currently contemplate for regulatory approval, if we are unable to complete our clinical trials or other testing successfully, or if the results of these and other trials or tests fail to demonstrate efficacy or raise safety concerns, we may face substantial additional expenses, be delayed in obtaining marketing approval for our product candidates or may never obtain marketing approval.

Previous wording

We may face difficulties from changes to current regulations as well as future legislation, including as a result of the new U.S. administration.

Current wording

We may face difficulties from changes to current regulations as well as future legislation.

Previous wording

Existing regulatory policies may change and additional government regulations may be enacted that could prevent, limit or delay regulatory approval of our product candidates. We cannot predict the likelihood, nature or extent of government regulation that may arise from future legislation or administrative action, either in the U.S. or abroad. If we are slow or unable to adapt to changes in existing requirements or the adoption of new requirements or policies, or if we are not able to maintain regulatory compliance, we may lose any marketing approval that we may have obtained and we may not achieve or sustain profitability.

Current wording

Existing regulatory policies may change and additional government regulations may be enacted that could prevent, limit or delay regulatory approval of our product candidates or affect the pricing and other terms on which we may sell approved products. We cannot predict the likelihood, nature or extent of government regulation that may arise from future legislation or administrative action, either in the U.S. or abroad. If we are slow or unable to adapt to changes in existing requirements or the adoption of new requirements or policies, or if we are not able to maintain regulatory compliance, we may lose any marketing approval that we may have obtained and we may not achieve or sustain profitability.

Previous wording

Any reduction in reimbursement from Medicare resulting from the IRA or other legislative or policy changes or from other government programs may result in a similar reduction in payments from private payers. These healthcare reforms and the implementation of any future cost containment measures or other reforms may prevent us from being able to generate sufficient revenue, attain and/or maintain profitability or commercialize our product candidates. We cannot be sure whether additional legislative changes, including as a result of the U.S. administration, will be enacted, whether existing legislation will be implemented, interpreted or enforced as anticipated or whether FDA regulations, guidance or interpretations will be changed, or what the impact of such changes on our product candidates, if any, may be.

Current wording

Any reduction in reimbursement from Medicare resulting from the IRA or other legislative or policy changes or from other government programs may result in a similar reduction in payments from private payers. These healthcare reforms and the implementation of any future measures designed to contain the price of prescription drugs or other reforms may prevent us from being able to generate sufficient revenue, attain and/or maintain profitability or commercialize our product candidates. We cannot be sure whether additional legislative and regulatory changes, including as a result of the U.S. administration, will be enacted, whether existing legislation and regulatory proposals will be implemented, interpreted or enforced as anticipated, or what the impact of such changes on our product or product candidates, if any, may be.

Previous wording

We have no internal capacity to manufacture commercial or clinical supplies of our product candidates and intend to continue to rely solely on third-party manufacturers, which could significantly limit or delay our clinical trials or regulatory submissions and may negatively impact our financial conditions and results of operations. If we are unable to establish relationships with contract manufacturers that have sufficient manufacturing capacity available to meet our needs, or if the contract manufacturers that we rely on experience difficulties manufacturing and supplying our product candidates, or fail FDA or other regulatory inspections, then our clinical trials or regulatory submissions may be significantly limited or delayed or we may have inadequate supply to meet demand for any product that we commercialize in the future.

Current wording

We have no internal capacity to manufacture commercial or clinical supplies of YARTEMLEA or our product candidates, intend to continue to rely solely on third-party manufacturers, and thus may be materially harmed by issues impacting our contract manufacturers or our relationship with our contract manufacturers.

Previous wording

We rely and intend to continue to rely on third-party manufacturers to produce quantities of clinical drug supplies of our product candidates that are needed for clinical trials and to support NDAs, BLAs, or similar applications to regulatory authorities seeking marketing approval for our product candidates, as well as to produce inventory of our product candidates for commercial use in anticipation of marketing approval. Global demand for contract manufacturing is volatile and the available supply of contract manufacturing capacity is limited and unpredictable. We cannot provide any assurance that we will be able to enter into or maintain these types of arrangements on commercially reasonable terms, or at all, or that manufacturing arrangements will meet our requirements. Our contract manufacturers previously have and may in the future require us to place orders or make other financial commitments several years in advance of manufacturing commencement based on forecasts of our long-term commercial supply requirements for product candidates that have not yet received, and may never receive, regulatory approval. We may be required to pay significant cancellation fees or other financial penalties in connection with the withdrawal or cancellation of any binding order for manufacturing that we later determine is not needed. The fees or other financial obligations that we may incur in connection with withdrawn or cancelled orders may be material and any such financial penalty would negatively impact our financial condition and results of operations.

Current wording

We rely and intend to continue to rely on third-party manufacturers to produce quantities of YARTEMLEA and clinical drug supplies of our product candidates that are needed for clinical trials and to support NDAs, BLAs, or similar applications to regulatory authorities seeking marketing approval for our product candidates, as well as to produce inventory of our product candidates for commercial use in anticipation of marketing approval. Global demand for contract manufacturing is volatile and the available supply of contract manufacturing capacity is limited and unpredictable. We cannot provide any assurance that we will be able to enter into or maintain these types of arrangements on commercially reasonable terms, or at all, or that manufacturing arrangements will meet our requirements. Our contract manufacturers previously have and may in the future require us to place orders or make other financial commitments several years in advance of manufacturing commencement based on forecasts of our long-term commercial supply requirements for product candidates that have not yet received, and may never receive, regulatory approval. We may be required to pay significant cancellation fees or other financial penalties in connection with the withdrawal or cancellation of any binding order for manufacturing that we later determine is not needed. The fees or other financial obligations that we may incur in connection with withdrawn or cancelled orders may be material and any such financial penalty would negatively impact our financial condition and results of operations.

Previous wording

In addition, narsoplimab, zaltenibart and OMS1029 are biologic drug products and other product candidates from certain of our programs, including but not limited to MASP-2 and MASP-3, could be biologic drug products. We do not have the internal capability to produce biologics for use in clinical trials or on a commercial scale. There are only a limited number of manufacturers of biologic drug products and we may be unable to enter into agreements on commercially reasonable terms with a sufficient number of them to meet clinical or commercial demand, if at all. The regulatory requirements for commercial supply are more stringent than for clinical supply and we cannot guarantee that a contract manufacturer producing drug product for clinical trials will be able to complete successfully the appropriate validation processes or obtain the necessary regulatory approvals for marketing approval and commercial supply in a timely manner or at all.

Current wording

In addition, YARTEMLEA, OMS1029, and OncotoX-AML are biologic drug products and other product candidates from certain of our programs, including but not limited to MASP-2, MASP-3, Oncotox-AML, and T-CAT, could be biologic drug products. We do not have the internal capability to produce biologics for use in clinical trials or on a commercial scale. There are only a limited number of manufacturers of biologic drug products, and we may be unable to enter into agreements on commercially reasonable terms with a sufficient number of them to meet clinical or commercial demand, if at all. The regulatory requirements for commercial supply are more stringent than for clinical supply and we cannot guarantee that a contract manufacturer producing drug product for clinical trials will be able to complete successfully the appropriate validation processes or obtain the necessary regulatory approvals for marketing approval and commercial supply in a timely manner or at all.

Previous wording

Our contract manufacturers may encounter difficulties with formulation, manufacturing, supply chain and/or release processes that could result in delays in clinical trials and/or regulatory submissions or that could impact adversely the commercialization of our products or product candidates, as well as in the initiation of enforcement actions by FDA and other regulatory authorities. For example, our manufacturers are required to comply with FDA’s GMP requirements and are subject to periodic inspections by FDA. If our manufacturers are unable to comply with FDA requirements, they may be unable to meet our supply needs. These difficulties also could result in the recall or withdrawal of a product from the market or a failure to have adequate supplies to meet market demand. If the safety or manufacturing quality of any product candidate supplied by contract manufacturers is compromised due to one or more of those contract manufacturers’ failure to adhere to applicable laws or for other reasons, we may not be able to maintain regulatory approval to run clinical trials or to obtain and maintain regulatory approval for one or more of our product candidates, which would harm our business and prospects significantly.

Current wording

Our contract manufacturers may encounter difficulties with formulation, manufacturing, supply chain and/or release processes that could result in delays in clinical trials and/or regulatory submissions or that could impact adversely the commercialization of our products or product candidates, as well as in the initiation of enforcement actions by FDA and other regulatory authorities. For example, our manufacturers are required to comply with FDA’s GMP requirements and are subject to periodic inspections by FDA. If our manufacturers are unable to comply with FDA requirements, they may be unable to meet our supply needs. These difficulties also could result in the recall or withdrawal of a product from the market or a failure to have adequate supplies to meet market demand. If the safety or manufacturing quality of YARTEMLEA or any product candidate supplied by contract manufacturers is compromised due to one or more of those contract manufacturers’ failure to adhere to applicable laws or for other reasons, we may not be able to maintain regulatory approval for YARTEMLEA, to continue sales and marketing of YARTEMLEA, to maintain regulatory approval to run clinical trials, or to obtain and maintain regulatory approval for one or more of our product candidates, which would harm our business and prospects significantly.

Previous wording

Ingredients, excipients, test kits and other materials necessary to manufacture our product candidates may not be available on commercially reasonable terms, or at all, which may adversely affect the development and commercialization of our product candidates.

Current wording

Ingredients, excipients, test kits and other materials necessary to manufacture YARTEMLEA or our product candidates may not be available on commercially reasonable terms, or at all, which may adversely affect sales of YARTEMLEA or development and commercialization of our product candidates.

Previous wording

We and our third-party manufacturers must obtain from third-party suppliers the APIs, excipients, and/or other raw materials plus primary and secondary packaging materials necessary for our contract manufacturers to produce our product candidates for our clinical trials and, to the extent approved or commercialized, for commercial distribution. Although we have entered or intend to enter into agreements with third-party suppliers that will guarantee the availability and timely delivery of APIs, excipients, test kits and materials for our product candidates, we have not entered into agreements for the supply of all such ingredients, excipients, test kits or materials, and we may be unable to secure all such supply agreements or guarantees on commercially reasonable terms, if at all. Even if we were able to secure such agreements or guarantees, our suppliers may be unable or choose not to provide us the ingredients, excipients, test kits or materials in a timely manner or in the quantities required. Further, if we or our third-party manufacturers are unable to obtain APIs, excipients, test kits and materials as necessary for our clinical trials or for the manufacture of commercial supplies of our product candidates, if approved, potential regulatory approval or commercialization would be delayed, which would materially and adversely affect our ability to generate revenue from the sale of our product candidates.

Current wording

We and our third-party manufacturers must obtain from third-party suppliers the APIs, excipients, and/or other raw materials plus primary and secondary packaging materials necessary for our contract manufacturers to produce YARTEMLEA and our product candidates for our clinical trials and, to the extent approved or commercialized, for commercial distribution. Although we have entered or intend to enter into agreements with third-party suppliers that will guarantee the availability and timely delivery of APIs, excipients, test kits and materials for YARTEMLEA and our product candidates, we have not entered into agreements for the supply of all such ingredients, excipients, test kits or materials, and we may be unable to secure all such supply agreements or guarantees on commercially reasonable terms, if at all. Even if we were able to secure such agreements or guarantees, our suppliers may be unable or choose not to provide us the ingredients, excipients, test kits or materials in a timely manner or in the quantities required. If we or our third-party manufacturers are unable to obtain the quantities of the ingredients, excipients or materials that are necessary for the manufacture of commercial supplies of YARTEMLEA, our ability to generate revenue from the sale of YARTEMLEA would be materially and adversely affected. Additionally, if Novo Nordisk or its third-party manufacturers are unable to obtain the quantities of the ingredients, excipients or materials that are necessary for the manufacture of zaltenibart for clinical development or commercial use, if approved by regulatory authorities, our receipt of certain milestones and the amount of royalty income we could expect to receive would be materially and adversely affected. Further, if we or our third-party manufacturers are unable to obtain APIs, excipients, test kits and materials as necessary for our clinical trials or for the manufacture of commercial supplies of our product candidates, if approved, potential regulatory approval or commercialization would be delayed, which would materially and adversely affect our ability to generate revenue from the sale of our product candidates.

Previous wording

● delays in enrolling patients into clinical trials, collecting data from enrolled patients or collecting historical control data for any reason including disease severity, trial or data collection protocol design, study eligibility criteria, patient population size (e.g., for orphan diseases or for some pediatric indications), proximity and/or availability of clinical trial sites for prospective patients, availability of competing therapies and clinical trials, regional differences in diagnosis and treatment, perceived risks and benefits of the product or product candidate, disruptions due to external events or conditions affecting the localities or regions in which our clinical trials are conducted, such as terrorism, political crises, natural disasters, war and wartime conditions, such as those in Ukraine, which has affected the operation of our clinical trials of zaltenibart, or outbreaks of contagious disease such as the COVID-19 pandemic, which previously slowed enrollment in our clinical trials of narsoplimab;

Current wording

● delays in enrolling patients into clinical trials, collecting data from enrolled patients or collecting historical control data for any reason including disease severity, trial or data collection protocol design, study eligibility criteria, patient population size (e.g., for orphan diseases or for some pediatric indications), proximity and/or availability of clinical trial sites for prospective patients, availability of competing therapies and clinical trials, regional differences in diagnosis and treatment, perceived risks and benefits of the product or product candidate, disruptions due to external events or conditions affecting the localities or regions in which our clinical trials are conducted, such as terrorism, political crises, natural disasters, war and wartime conditions, or outbreaks of contagious disease such as the COVID-19 pandemic, which previously slowed enrollment in our clinical trials of YARTEMLEA;

Previous wording

Even if preclinical testing is successfully completed, we cannot be certain that any product candidates that do advance into clinical trials will successfully demonstrate safety and efficacy in clinical trials. Even if we achieve positive results in early clinical trials, they may not be predictive of the results in later trials, and safety and/or efficacy outcomes of early clinical trials may not be consistent with outcomes of subsequent clinical trials. There can be no assurance that we will be able to successfully commercialize our current or future product candidates or to meet our expectations with respect to revenues or profits from such products.

Current wording

Even if preclinical testing is successfully completed, we cannot be certain that any product candidates that do advance into clinical trials will successfully demonstrate safety and efficacy in clinical trials. Even if we achieve positive results in early clinical trials, they may not be predictive of the results in later trials, and safety and/or efficacy outcomes of early clinical trials may not be consistent with outcomes of subsequent clinical trials, or FDA may take the position that despite the successful outcomes, they do not demonstrate the safety and effectiveness of our product candidates to FDA’s satisfaction. There can be no assurance that we will be able to successfully commercialize our current or future product candidates or to meet our expectations with respect to revenues or profits from such products.

Previous wording

Our business involves numerous commercial contractual arrangements, important intellectual property rights, potential product liability, uncertainties with respect to clinical development, manufacture and regulatory approvals and other aspects that create heightened risks of disputes, claims and legal proceedings. These include claims that may be faced in one or more jurisdictions related to the safety of our product candidates, the development of our product candidates, our ability to obtain regulatory approval for our product candidates, our expectations regarding product development and regulatory approval, sales and marketing practices, commercial disputes including with contract manufacturers, competition, environmental matters, employment matters and other matters. These matters could consume significant time and resources, even if we are successful. Many of our competitors and contractual counterparties are significantly larger than we are and, as a result, may be able to sustain the costs of complex litigation more effectively than we can because they have substantially greater resources. In addition, we may pay damage awards or settlements or become subject to equitable remedies that could, individually or in the aggregate, have a material negative effect on our financial condition, results of operations or stock price. Any uncertainties resulting from the initiation and continuation of any litigation also could have a material adverse effect on our ability to raise the capital necessary to continue our operations.

Current wording

Our business involves numerous commercial contractual arrangements, important intellectual property rights, potential product liability, uncertainties with respect to clinical development, manufacture and regulatory approvals and other aspects that create heightened risks of disputes, claims and legal proceedings. These include claims that may be faced in one or more jurisdictions related to the safety of YARTEMLEA and our product candidates, the development of our product candidates, our ability to obtain regulatory approval for our product candidates, our expectations regarding product development and regulatory approval, sales and marketing practices, commercial disputes including with contract manufacturers, competition, environmental matters, employment matters and other matters. These matters could consume significant time and resources, even if we are successful. Many of our competitors and contractual counterparties are significantly larger than we are and, as a result, may be able to sustain the costs of complex litigation more effectively than we can because they have substantially greater resources. In addition, we may pay damage awards or settlements or become subject to equitable remedies that could, individually or in the aggregate, have a material negative effect on our financial condition, results of operations or stock price. Any uncertainties resulting from the initiation and continuation of any litigation also could have a material adverse effect on our ability to raise the capital necessary to continue our operations.

Previous wording

Further, our industry has produced a large number of patents and it is not always clear which patents cover various types of products or methods of use. A third party may claim that we or our contract manufacturers are using inventions covered by the third party’s patent rights and may go to court to stop us from engaging in the alleged infringing activity, including making, using or selling our product candidates. These lawsuits are costly and could affect our results of operations and divert the attention of managerial and technical personnel. There is a risk that a court would decide that we, or our contract manufacturers, are infringing the third party’s patents and would order us or our contractors to stop the activities covered by the patents. In addition, if we or our contract manufacturers are found to have violated a third party’s patent, we or our contract manufacturers could be ordered to pay damages to the other party. We have agreed or may in the future agree to indemnify our contract manufacturers against certain patent infringement claims and thus may be responsible for any of their costs associated with such claims and actions. If we were sued for patent infringement, we would need to demonstrate that our product candidates or methods of use either do not infringe the patent claims of the relevant patent or that the patent claims are invalid, and we might be unable to do this. Proving invalidity, in particular, is difficult since it requires clear and convincing evidence to overcome the presumption of validity enjoyed by issued patents.

Current wording

Further, our industry has produced a large number of patents, and it is not always clear which patents cover various types of products or methods of use. A third party may claim that we or our contract manufacturers are using inventions covered by the third party’s patent rights and may go to court to stop us from engaging in the alleged infringing activity, including making, using or selling our products and product candidates. These lawsuits are costly and could affect our results of operations and divert the attention of managerial and technical personnel. There is a risk that a court would decide that we, or our contract manufacturers, are infringing the third party’s patents and would order us or our contractors to stop the activities covered by the patents. In addition, if we or our contract manufacturers are found to have violated a third party’s patent, we or our contract manufacturers could be ordered to pay damages to the other party. We have agreed or may in the future agree to indemnify our contract manufacturers against certain patent infringement claims and thus may be responsible for any of their costs associated with such claims and actions. If we were sued for patent infringement, we would need to demonstrate that our products and product candidates or methods of use either do not infringe the patent claims of the relevant patent or that the patent claims are invalid, and we might be unable to do this. Proving invalidity, in particular, is difficult since it requires clear and convincing evidence to overcome the presumption of validity enjoyed by issued patents.

Previous wording

Our commercial success will depend in part on obtaining and maintaining patent protection and trade secret protection for the use, formulation and structure of our product candidates, the methods used to manufacture them, the related therapeutic targets and associated methods of treatment as well as on successfully defending these patents against potential third-party challenges. Our ability to protect our product candidates from unauthorized making, using, selling, offering to sell or importing by third parties is dependent on the extent to which we have rights under valid and enforceable patents that cover these activities.

Current wording

Our commercial success will depend in part on obtaining and maintaining patent protection and trade secret protection for the use, formulation and structure of our products and product candidates, the methods used to manufacture them, the related therapeutic targets and associated methods of treatment as well as on successfully defending these patents against potential third-party challenges. Our ability to protect our products and product candidates from unauthorized making, using, selling, offering to sell or importing by third parties is dependent on the extent to which we have rights under valid and enforceable patents that cover these activities.

Previous wording

We cannot provide assurances that any of our patent applications will be found to be patentable, including over our own prior art patents, or will issue as patents. Neither can we make assurances as to the scope of any claims that may issue from our pending and future patent applications nor to the outcome of any proceedings by any potential third parties that could challenge the patentability, validity or enforceability of our patents and patent applications in the U.S. or foreign jurisdictions. Any such challenge, if successful, could limit patent protection for our product candidates and/or materially harm our business.

Current wording

We cannot provide assurances that any of our patent applications will be found to be patentable, including over our own prior art patents, or will issue as patents. Neither can we make assurances as to the scope of any claims that may issue from our pending and future patent applications nor to the outcome of any proceedings by any potential third parties that could challenge the patentability, validity or enforceability of our patents and patent applications in the U.S. or foreign jurisdictions. Any such challenge, if successful, could limit patent protection for our products and product candidates and/or materially harm our business.

Previous wording

The degree of future protection for our proprietary rights is uncertain because legal means afford only limited protection and may not adequately protect our rights or permit us to gain or keep our competitive advantage. In addition, to the extent that we are unable to obtain and maintain patent protection for one of our product candidates or in the event that such patent protection expires or is limited to method of use patent protection, it may no longer be cost-effective to extend our portfolio by pursuing additional development of a product or product candidate for follow-on indications.

Current wording

The degree of future protection for our proprietary rights is uncertain because legal means afford only limited protection and may not adequately protect our rights or permit us to gain or keep our competitive advantage. In addition, to the extent that we are unable to obtain and maintain patent protection for one of our products or product candidates or in the event that such patent protection expires or is limited to method of use patent protection, it may no longer be cost-effective to extend our portfolio by pursuing additional development of a product or product candidate for follow-on indications.

Previous wording

We may not achieve commercial success if our competitors, many of which have significantly more resources and experience than we have, market products that are safer, more effective, less expensive or faster to reach the market than any products that we may develop and commercialize. Our competitors also may market a product that proves to be unsafe or ineffective, which may affect the market for future product we are developing, regardless of the safety or efficacy of our product. The failure of any future product that we may market to compete effectively with products marketed by our competitors would impair our ability to generate revenue, which would have a material adverse effect on our future business, our financial condition and our results of operations.

Current wording

We may not achieve commercial success if our competitors, many of which have significantly more resources and experience than we have, market products that are safer, more effective, less expensive or faster to reach the market than any products that we may develop and commercialize. Our competitors also may market a product that proves to be unsafe or ineffective, which may affect the market for future product we are developing, regardless of the safety or efficacy of our product. The failure of YARTEMLEA or any future product that we may market to compete effectively with products marketed by our competitors would impair our ability to generate revenue, which would have a material adverse effect on our future business, our financial condition and our results of operations.

Previous wording

Our performance is largely dependent on the talents and efforts of highly skilled individuals, many of whom possess specialized expertise that may be difficult to replace. Our future success depends on our continuing ability to identify, hire, develop, motivate and retain highly skilled personnel for all areas of our organization. If we are unable to hire and train a sufficient number of qualified employees for any reason, we may not be able to implement our current initiatives or grow effectively. We maintain a rigorous, highly selective and time-consuming hiring process. We believe that our approach to hiring has significantly contributed to our success to date. If we do not succeed in attracting qualified personnel and retaining and motivating existing personnel, our existing operations may suffer and we may be unable to grow effectively.

Current wording

Our performance is largely dependent on the talents and efforts of highly skilled individuals, many of whom possess specialized expertise that may be difficult to replace. Our transition to a commercial‑stage company requires operational and commercial expertise, and the loss of key personnel could disrupt our ability to execute our business strategy. Our future success depends on our continuing ability to identify, hire, develop, motivate and retain highly skilled personnel for all areas of our organization. If we are unable to hire and train a sufficient number of qualified employees for any reason, we may not be able to implement our current initiatives or grow effectively. We maintain a rigorous, highly selective and time-consuming hiring process. We believe that our approach to hiring has significantly contributed to our success to date. If we do not succeed in attracting qualified personnel and retaining and motivating existing personnel, our existing operations may suffer and we may be unable to grow effectively.

Previous wording

We may be exposed to the risk of product liability claims that is inherent in the biopharmaceutical industry. A product liability claim may damage our reputation by raising questions about our product’s safety and efficacy and could limit our ability to sell one or more products by preventing or interfering with commercialization of our product candidates. In addition, product liability insurance for the biopharmaceutical industry is generally expensive to the extent it is available at all. There can be no assurance that we will be able to obtain or maintain such insurance on acceptable terms for any product we bring to market. Further, our product liability insurance coverage may not provide coverage for or may be insufficient to reimburse us for any or all expenses or losses we may suffer. A successful claim against us with respect to uninsured liabilities or in excess of insurance coverage could have a material adverse effect on our business, financial condition and results of operations.

Current wording

We may be exposed to the risk of product liability claims that is inherent in the biopharmaceutical industry. A product liability claim may damage our reputation by raising questions about our product’s safety and efficacy and could limit our ability to sell one or more products by preventing or interfering with commercialization of our products and product candidates. In addition, product liability insurance for the biopharmaceutical industry is generally expensive to the extent it is available at all. There can be no assurance that we will be able to obtain or maintain such insurance on acceptable terms for YARTEMLEA or any other product we bring to market. Further, our product liability insurance coverage may not provide coverage for or may be insufficient to reimburse us for any or all expenses or losses we may suffer. A successful claim against us with respect to uninsured liabilities or in excess of insurance coverage could have a material adverse effect on our business, financial condition and results of operations.

Previous wording

The royalty rate payable by Rayner on net sales of OMIDRIA is currently 30% in the United States and 15% outside the U.S. The royalty rate is subject to further reduction to 10% of U.S. net sales upon the occurrence of certain events, including during any specific period in which OMIDRIA is no longer eligible for separate payment. The availability of royalties from Rayner and/or milestone payments from DRI is dependent on Rayner’s net sales of OMIDRIA and may be of lesser magnitude than anticipated or may not become payable at all. We cannot provide assurance that royalty income from Rayner and/or milestone payments from DRI, if they become payable, will be a meaningful source of capital in the future. Sales-based royalty income and milestone payments may be affected by any number of factors, including:

Current wording

The availability of royalties from Rayner is dependent on Rayner’s net sales of OMIDRIA and may be of lesser magnitude than anticipated or may not become payable at all and we do not expect to receive a sales-based milestone payment from DRI.

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Previous report — wording carried elsewhere

● Rayner’s ability to successfully market and sell OMIDRIA in the U.S.;