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Wave Life Sciences Ltd.

For the period ended Dec 31, 2025. Filed Feb 26, 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 Feb 26, 2026

WVE$3.37+4.5%Stored close · as of Nov 6, 2026

What changed in Management’s Discussion and Analysis?

Read the current filing

Previous report: 10-K

Period ended 2024-12-31; filed 2025-03-04.

0000950170-25-031322

Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations

Current report: 10-K

Period ended 2025-12-31; filed 2026-02-26.

0001193125-26-073472

Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations

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 166 previous paragraphs and 145 current paragraphs.

99 unchanged; 36 reworded; 7 added; 28 removed; 3 previous and 3 current paragraphs rearranged.

Tables are not compared: 5 previous and 5 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 (7)

Current report

WVE-008 is a GalNAc-conjugated RNA editing oligonucleotide (AIMer) for PNPLA3 I148M liver disease.

Current report

an increase of $6.4 million in external expenses related to our INHBE program, including WVE-007 (RNAi);

Current report

an increase of $9.1 million in external expenses related to our INHBE program, including WVE-007 (RNAi);

Current report

During 2025, operating activities used $187.5 million of cash, primarily due to our net loss of $204.4 million and changes in our operating assets and liabilities of $16.9 million, partially offset by non-cash charges of $33.8 million The non-cash charges for 2025 related to share-based compensation expense of $25.0 million, amortization of right-of-use assets of $5.4 million, and depreciation expense of $3.4 million. The largest change in operating assets and liabilities was a $19.8 million decrease in deferred revenue, mainly driven by revenue recognized under the GSK Collaboration Agreement.

Current report

During 2025, investing activities used $0.7 million of cash, primarily consisting of purchases of property and equipment.

Current report

During 2025, net cash provided by financing activities was $488.2 million, primarily due to the $377.8 million in net proceeds from the December 2025 Offering of ordinary shares and the 2025 Pre-Funded Warrants, $94.6 million in net proceeds from sales under our “at-the-market” equity program, as well as $14.9 million in proceeds from the exercise of stock options.
Removed paragraphs (28)

Previous report

RNA editing, which uses AIMers that are designed to target single bases on an RNA transcript and recruit endogenous ADAR enzymes that naturally possess the ability to change an adenine (A) to an inosine (I), which cells read as guanine (G). This approach enables both the correction of G-to-A point mutations and the modulation of RNA to either upregulate protein expression, modify protein-protein interactions, or alter RNA folding and processing. AIMers are short in length, fully chemically modified, and use our novel chemistry, which make them distinct from other ADAR-mediated editing approaches.

Previous report

Antisense (silencing), which uses our oligonucleotide designed to bind to a specific sequence in a target RNA strand that encodes a disease-associated protein or pathogenic RNA. The resulting double-stranded molecule (“duplex”) is then recognized by a cellular enzyme called RNase H, which cleaves, or cuts, the target RNA in the duplex, thereby preventing the disease-associated protein from being made.

Previous report

RNA interference (RNAi)(silencing), which uses our double-stranded RNAs called siRNAs to engage the RNAi machinery known as the RNA-induced silencing complex (“RISC”) and to silence a target RNA that is either pathogenic itself or encodes a disease-associated protein, thereby preventing the accumulation of the pathogenic species (RNA or protein).

Previous report

Splicing / exon skipping, which is the processing of a nascent pre-mRNA transcript into mRNA by removing introns and joining exons together. Exon skipping uses our oligonucleotide designed to bind to a particular sequence within a target pre-mRNA and direct the cellular machinery to alter the final composition of exons in mature mRNA by deleting, or splicing out, certain specific regions of that RNA.

Previous report

We have a robust and diverse pipeline of potential first-or best-in-class programs addressing both rare and common diseases:

Previous report

Liver disease: GalNAc-conjugated AIMer targeting PNPLA3 I148M for correction; and

Previous report

Heterozygous Familial Hypercholesterolemia (“HeFH”): GalNAc-conjugated AIMer targeting low-density lipoprotein receptor (“LDLR”) for upregulation and GalNAc-conjugated AIMer targeting apolipoprotein B (“APOB”) for correction.

Previous report

Unconjugated oligonucleotides for muscle, CNS and other disease areas including:

Previous report

Duchenne muscular dystrophy ("DMD"): WVE-N531 is an exon 53 splicing oligonucleotide; and

Previous report

Our RNA editing capability affords us the dexterity to address both rareand common diseases, as well as those diseases impacting large patient populations. AIMers are designed to target single bases on an RNA transcript and recruit proteins that exist in the body, called ADAR enzymes, which naturally possess the ability to change an adenine (A) to an inosine (I), which cells read as guanine (G). This approach enables both the correction of G-to-A point mutations and the modulation of RNA to either upregulate protein expression, modify protein-protein interactions, or alter RNA folding and processing. AIMers enable simplified delivery and avoid the risk of permanent changes to the genome and irreversible off-target effects with DNA-targeting approaches. AIMers are short in length, fully chemically modified, and use our novel chemistry, which make them distinct from other ADAR-mediated editing approaches.

Previous report

In December 2022, we announced a strategic collaboration with GlaxoSmithKline Intellectual Property (No. 3) (“GSK”) to advance transformative oligonucleotide therapeutics, including WVE-006. The collaboration combines GSK’s novel genetic insights, as well as its global development and commercial capabilities, with our PRISM platform and oligonucleotide expertise. The collaboration will enable us to continue building a pipeline of first-in-class oligonucleotide-based therapeutics and unlock new areas of disease biology, as well as realize the full value of WVE-006 as a potential best-in-class treatment for AATD that has the potential to simultaneously address both liver and lung manifestations of the disease.

Previous report

(1) a discovery collaboration which enables us to advance up to three programs leveraging targets informed by GSK’s novel genetic insights;

Previous report

(2) a discovery collaboration which enables GSK to advance up to eight programs leveraging PRISM and our oligonucleotide expertise and discovery capabilities; and

Previous report

(3) an exclusive global license for GSK to WVE-006, our AATD program, that uses our proprietary AIMer technology. We will maintain development responsibilities for WVE-006 through completion of RestorAATion-2, at which point development and commercial responsibilities will transition to GSK.

Previous report

In February 2018, we entered into a global strategic collaboration with Takeda Pharmaceutical Company Limited (“Takeda”), pursuant to which we agreed to collaborate with Takeda on the research, development and commercialization of oligonucleotide therapeutics for disorders of the CNS. On October 11, 2024, we were notified by Takeda that Takeda did not intend to exercise and therefore elected to terminate its option for the HD target under the collaboration. As HD was the last active collaboration target under the collaboration, the collaboration expired with immediate effect. As a result of the option termination, we are now free to advance WVE-003, our clinical-stage Huntington’s disease program, as well as any other programs targeting HTT, independently or with other partners.

Previous report

a decrease of $8.3 million in external expenses related to our discontinued ALS and FTD program, WVE-004.

Previous report

a decrease of $2.5 million in external expenses related to our discontinued ALS and FTD program, WVE-004.

Previous report

During the years ended December 31, 2023 and 2022, we recorded an income tax benefit of $0.7 million and an income tax provision of $0.7 million, respectively. The income tax benefit for the year ended December 31, 2023 was due to a change in estimate in connection with recent U.S. tax guidance relating to the capitalization of research and development expenditures. The income tax provision for the year ended December 31, 2022 was primarily due to the requirement under the Tax Cuts and Jobs Act of 2017 for taxpayers to capitalize and amortize research and development expenditures over five or fifteen years pursuant to Section 174 of the Internal Revenue Code of 1986, as amended.

Previous report

In January 2024, the representatives of the underwriters in connection with the previously disclosed underwritten public offering (the “December 2023 Offering”) exercised their option to purchase an additional 3,000,000 ordinary shares at a price of $5.00 per ordinary share as a part of the December 2023 Offering. We received an additional $14.0 million in net proceeds from the December 2023 Offering in January 2024.

Previous report

During 2022, operating activities used $127.8 million of cash, primarily due to our net loss of $161.8 million, partially offset by non-cash charges of $27.3 million and changes in our operating assets and liabilities of $6.7 million. The non-cash charges for 2022 related mainly to share-based compensation expense of $17.2 million and depreciation expense of $6.6 million. The largest change in operating assets and liabilities was a $9.3 million increase in accounts payable.

Previous report

During 2022, investing activities used $1.3 million of cash, primarily consisting of purchases of property and equipment. Additionally, we purchased $75.0 million of short-term investments during 2022, all of which matured in 2022.

Previous report

During 2022, net cash provided by financing activities was $67.2 million, primarily due to the $65.5 million in net proceeds from the underwritten offering we completed in June 2022, which was comprised of sales of ordinary shares and the 2022 Pre-Funded Warrants. Additionally, there were $1.1 million in net proceeds from our "at-the-market" equity program.
Reworded paragraphs (36)

Previous wording

We are a clinical-stage biotechnology company focused on unlocking the broad potential of ribonucleic acid (“RNA”) medicines (also known as oligonucleotides), or those targeting RNA, to transform human health. Our RNA medicines platform, PRISM®, combines multiple modalities, chemistry innovation and deep insights into human genetics to deliver scientific breakthroughs that treat both rare and common disorders. Our toolkit of RNA-targeting modalities includes RNA editing, splicing, silencing using RNA interference (“siRNA") and antisense silencing, providing us with unique capabilities for designing and sustainably delivering candidates that optimally address disease biology. Our diversified pipeline includes clinical programs in obesity, alpha-1 antitrypsin deficiency (“AATD”), Duchenne muscular dystrophy (“DMD”), and Huntington’s disease (“HD”), as well as several preclinical programs utilizing our versatile RNA medicines platform.

Current wording

We are a clinical-stage biotechnology company focused on unlocking the broad potential of ribonucleic acid (“RNA”) medicines (also known as oligonucleotides), or those targeting RNA, to transform human health. Our RNA medicines platform, PRISM®, combines multiple modalities, chemistry innovation and deep insights into human genetics to deliver scientific breakthroughs that treat both rare and common disorders. Our toolkit of RNA-targeting modalities, including RNAi (SpiNA) and RNA editing (AIMers), provides us with unmatched capabilities for designing and sustainably delivering candidates that optimally address disease biology. Our pipeline is focused on our obesity (WVE-007), alpha-1 antitrypsin deficiency (“AATD”) (WVE-006) and PNPLA3 I148M liver disease (WVE-008) programs, and also includes clinical programs for Duchenne muscular dystrophy (“DMD”) and Huntington’s disease (“HD”), as well as several preclinical programs utilizing our versatile RNA medicines platform.

Previous wording

The inspiration for our multimodal platform is based on the recognition that the biological machinery(i.e., enzymes) needed to address human disease already exists within our cells and can be harnessed for therapeutic purposes with the right tools. We believe that we have built the most versatile toolkit of RNA-targeting modalities in the industry, with multiple means of repairing, restoring, or reducing proteins and designing best-fit solutions based on the unique biology of a given disease target. We are actively advancing programs using four distinct modalities, including novel A-to-I RNA editing oligonucleotides (“AIMers”).

Current wording

The inspiration for our multimodal platform is based on the recognition that the biological machinery(i.e., enzymes) needed to address human disease already exists within our cells and can be harnessed for therapeutic purposes with the right tools. We believe that we have built the most versatile toolkit of RNA-targeting modalities in the industry, with multiple means of repairing, restoring, or reducing proteins and designing best-fit solutions based on the unique biology of a given disease target. We are actively advancing programs across modalities, including RNA interference (“RNAi”) (silencing), RNA editing, which uses novel A-to-I RNA editing oligonucleotides (“AIMers”), antisense silencing, and splicing. We have also advanced novel bifunctional modalities designed to silence multiple targets or silence one target while simultaneously editing or upregulating another unique target.

Previous wording

GalNAc-conjugated oligonucleotides for hepatic and metabolic diseases including:

Current wording

We are currently prioritizing lead programs that use GalNAc delivery for hepatic and metabolic diseases, each of which have potential to translate powerful human genetic insights into potentially transformational RNA medicines:

Previous wording

Obesity: WVE-007 is a GalNAc-conjugated siRNA targeting inhibin βE (“INHBE”);

Current wording

WVE-007 is a GalNAc-conjugated siRNA (SpiNA design) targeting inhibin βE (“INHBE”) for obesity;

Previous wording

Alpha-1 antitrypsin deficiency ("AATD"): WVE-006 is a GalNAc-conjugated SERPINA1 AIMer;

Current wording

WVE-006 is a GalNAc-conjugated RNA editing oligonucleotide (AIMer) for AATD;

Previous wording

Huntington’s disease ("HD"): WVE-003 is an allele-selective oligonucleotide designed to lower mutant huntingtin (“mHTT”) protein and preserve healthy, wild-type huntingtin (“wtHTT”) protein.

Current wording

Our clinical-stage portfolio also includes WVE-N531, an exon 53 splicing oligonucleotide for DMD, and WVE-003, an allele-selective oligonucleotide designed to lower mutant huntingtin (“mHTT”) protein and preserve healthy, wild-type huntingtin (“wtHTT”) protein. We are also advancing several emerging siRNA and RNA editing programs targeting both hepatic and extra-hepatic tissues.

Previous wording

We have never been profitable, and since our inception, we have incurred significant operating losses. Our net loss was $97.0 million in 2024, $57.5 million in 2023, and $161.8 million in 2022. As of December 31, 2024 and 2023, we had an accumulated deficit of $1,121.9 million and $1,024.9 million, respectively. We expect to incur significant expenses and operating losses for the foreseeable future.

Current wording

We have never been profitable, and since our inception, we have incurred significant operating losses. Our net loss was $204.4 million in 2025, $97.0 million in 2024, and $57.5 million in 2023. As of December 31, 2025 and 2024, we had an accumulated deficit of $1,326.2 million and $1,121.9 million, respectively. We expect to incur significant expenses and operating losses for the foreseeable future.

Previous wording

Research and development expenses consist primarily of costs incurred for our research activities, including our discovery efforts, and the development of our product candidates, which include:

Current wording

Research and development expenses consist primarily of costs incurred for our research activities, including development of our RNA medicines platform, our discovery efforts, and the development of our product candidates, which include:

Previous wording

Our primary research and development focus has been the development of our RNA medicines platform, PRISM. We are using PRISM, which includes our novel chemistry modifications, to design, develop and commercialize a broad pipeline of first- or best-in class RNA medicines using our editing, splicing, RNAi, and antisense modalities.

Current wording

Our primary research and development focus has been the development of our RNA medicines platform, PRISM. We are using PRISM, which combines multiple modalities, chemistry innovation and deep insights in human genetics, to deliver scientific breakthroughs that treat both rare and common disorders, and advance our pipeline of RNA medicines.

Previous wording

Our research and development expenses consist primarily of expenses related to our CROs, CMOs, consultants, other external vendors and fees paid to global regulatory agencies to conduct our clinical trials, in addition to compensation-related expenses, internal manufacturing expenses, facility-related expenses and other general operating expenses. These expenses are incurred in connection with research and development efforts and our preclinical studies and clinical trials. We track certain external expenses on a program-by-program basis. However, we do not allocate compensation-related expenses, internal manufacturing expenses, equipment repairs and maintenance expense, facility-related expenses or other operating expenses to specific programs. These expenses, which are not allocated on a program-by-program basis, are included in the “Other research and development expenses(1), including INHBE, RNA editing, PRISM, others” category along with other external expenses related to our discovery and development programs, as well as platform development and identification of potential drug discovery candidates.

Current wording

Our research and development expenses consist primarily of expenses related to our CROs, CMOs, consultants, other external vendors and fees paid to global regulatory agencies to conduct our clinical trials, in addition to compensation-related expenses, internal manufacturing expenses, facility-related expenses and other general operating expenses. These expenses are incurred in connection with research and development efforts and our preclinical studies and clinical trials. We track certain external expenses on a program-by-program basis. However, we do not allocate compensation-related expenses, internal manufacturing expenses, equipment repairs and maintenance expense, facility-related expenses or other operating expenses to specific programs. These expenses, which are not allocated on a program-by-program basis, are included in the “Other research and development expenses(1), including PNPLA3, additional preclinical programs, PRISM” category along with other external expenses related to our discovery and development programs, as well as platform development and identification of potential drug discovery candidates.

Previous wording

Other income, net is comprised of refundable tax credits from tax authorities, dividend and interest income earned on cash and cash equivalents balances, gains and losses on foreign currency transactions, and real estate taxes. We recognize refundable tax credits when there is reasonable assurance that we will comply with the requirements of the refundable tax credit and that the refundable tax credit will be received.

Current wording

Other income, net is comprised primarily of interest income on cash and cash equivalents and refundable tax credits from tax authorities. We recognize refundable tax credits when there is reasonable assurance that we will comply with the requirements of the refundable tax credit and that the refundable tax credit will be received.

Previous wording

Revenue for the year ended December 31, 2023 was $113.3 million and was earned under the GSK Collaboration Agreement and the Takeda Collaboration Agreement. Revenue for year ended December 31, 2022 was $3.6 million and was earned primarily under the Takeda Collaboration Agreement, as the GSK Collaboration Agreement became effective in January 2023.

Current wording

Revenue for the year ended December 31, 2025 was $42.7 million, and was earned under the GSK Collaboration Agreement. Revenue for the year ended December 31, 2024 was $108.3 million, and was earned under the GSK Collaboration Agreement ($37.0 million) and the Takeda Collaboration Agreement ($71.3 million).

Previous wording

Research and development expenses were $130.0 million for the year ended December 31, 2023, compared to $115.9 million for the year ended December 31, 2022. The increase of $14.1 million was due to the following:

Current wording

Research and development expenses were $182.8 million for the year ended December 31, 2025, compared to $159.7 million for the year ended December 31, 2024. The increase of $23.1 million was due to the following:

Previous wording

an increase of $4.7 million in external expenses related to our AATD program, WVE-006 (RNA editing);

Current wording

a decrease of $5.9 million in external expenses related to our AATD program, WVE-006 (RNA editing);

Previous wording

an increase of $5.2 million in external expenses related to our DMD programs, including WVE-N531 (splicing);

Current wording

an increase of $3.9 million in external expenses related to our DMD program, including WVE-N531 (splicing);

Previous wording

an increase of $5.1 million in external expenses related to our HD programs, including WVE-003 (silencing);

Current wording

a decrease of $9.1 million in external expenses related to our HD program, including WVE-003 (silencing); and

Previous wording

an increase of $28.4 million in other research and development expenses, including INHBE, RNA editing, PRISM, and other internal and external research and development expenses that are not allocated on a program-by-program basis or are related to other discovery and development programs, and the identification of potential drug discovery candidates, mainly due to increases in compensation-related expenses and facilities-related expenses, partially offset by decreases in other external research and development expenses; and

Current wording

an increase of $27.8 million in other research and development expenses, including PNPLA3, additional preclinical programs, PRISM, and internal and external research and development expenses that are not allocated on a program-by-program basis or are related to other discovery and development programs, and the identification of potential drug discovery candidates. This is mainly due to increases in compensation-related expenses and facilities-related expenses, partially offset by decreases in other external research and development expenses.

Previous wording

General and administrative expenses were $51.3 million for the year ended December 31, 2023, compared to $50.5 million for the year ended December 31, 2022. The increase of $0.8 million was primarily driven by increases in other general and administrative operating expenses, partially offset by a decrease in compensation-related expenses.

Current wording

General and administrative expenses were $75.3 million for the year ended December 31, 2025, compared to $59.0 million for the year ended December 31, 2024. The increase of $16.3 million is primarily driven by increases in compensation related expenses and administrative expenses.

Previous wording

Other income, net for the years ended December 31, 2023 and 2022 was $9.8 million and $1.6 million, respectively. The increase of $8.2 million in other income, net was primarily driven by an increase in dividend income as well as an increase in estimated refundable tax credits during the year ended December 31, 2023.

Current wording

Other income, net for the years ended December 31, 2025 and 2024 was $11.0 million and $13.4 million, respectively. The decrease of $2.4 million in other income, net was primarily driven by a decrease in estimated refundable tax credits during the year ended December 31, 2025.

Previous wording

an increase of $7.7 million in external expenses related to our DMD programs, including WVE-N531 (splicing);

Current wording

an increase of $7.7 million in external expenses related to our DMD program, including WVE-N531 (splicing);

Previous wording

a decrease of $1.3 million in external expenses related to our HD programs, including WVE-003 (silencing);

Current wording

a decrease of $1.3 million in external expenses related to our HD program, including WVE-003 (silencing); and

Previous wording

an increase of $1.6 million in other research and development expenses, including INHBE, RNA editing, PRISM, and other internal and external research and development expenses that are not allocated on a program-by-program basis. or are related to other discovery and development programs, and the identification of potential drug discovery candidates, mainly due to increases in compensation-related expenses and facilities-related expenses, partially offset by decreases in other external research and development expenses; and

Current wording

an increase of $11.0 million in other research and development expenses, including PNPLA3, additional preclinical programs, PRISM, and internal and external research and development expenses that are not allocated on a program-by-program basis or are related to other discovery and development programs, and the identification of potential drug discovery candidates. This is mainly due to increases in compensation-related expenses and facilities-related expenses, partially offset by decreases in other external research and development expenses.

Previous wording

General and administrative expenses were $59.0 million for the year ended December 31, 2024, compared to $51.3 million for the year ended December 31, 2023. The increase of $7.7 million is primarily driven by increases in compensation related expenses and administrative expenses.

Current wording

General and administrative expenses were $59.0 million for the year ended December 31, 2024, compared to $51.3 million for the year ended December 31, 2023. The increase of $7.7 million was primarily driven by increases in compensation related expenses and administrative expenses.

Previous wording

Other income, net for the years ended December 31, 2024 and 2023 was $13.4 million and $9.8 million, respectively. The increase of $3.6 million in other income, net was primarily driven by an increase in estimated refundable tax credits as well as an increase in dividend income during the year ended December 31, 2024.

Current wording

Other income, net for the years ended December 31, 2024 and 2023 was $13.4 million and $9.8 million, respectively. The increase of $3.6 million in other income, net was primarily driven by an increase in estimated refundable tax credits as well as an increase in interest income during the year ended December 31, 2024.

Previous wording

Since our inception, we have not generated any product revenue and have incurred recurring net operating losses. To date, we have primarily funded our operations through public and other registered offerings of our ordinary shares and other securities, collaborations with third parties and private placements of debt and equity securities. Through December 31, 2024, we have received an aggregate of approximately $1,578.4 million in net proceeds from these transactions, consisting of $977.8 million in net proceeds from public and other registered offerings of our ordinary shares and other securities, $511.3 million from our collaborations and $89.3 million in net proceeds from private placements of our debt and equity securities.

Current wording

Since our inception, we have not generated any product revenue and have incurred recurring net operating losses. To date, we have primarily funded our operations through public and other registered offerings of our ordinary shares and other securities, collaborations with third parties and private placements of debt and equity securities. Through December 31, 2025, we have received an aggregate of approximately $2,076.7 million in net proceeds from these transactions, consisting of $1,450.5 million in net proceeds from public and other registered offerings of our ordinary shares and other securities, $536.9 million from our collaborations and $89.3 million in net proceeds from private placements of our debt and equity securities.

Previous wording

On September 27, 2024, we closed the September 2024 Offering in which we issued and sold 23,125,001 of our ordinary shares and the 2024 Pre-Funded Warrants to purchase up to 1,875,023 of our ordinary shares. The gross proceeds to us from the September 2024 Offering were $200.0 million before deducting underwriting discounts and commissions and other offering expenses. On October 1, 2024, the representatives of the underwriters exercised their option in full to purchase an additional 3,750,000 ordinary shares, for additional net proceeds to us of approximately $28.2 million.

Current wording

On December 11, 2025, we closed an underwritten public offering (the "December 2025 Offering") in which we issued and sold 18,552,632 of our ordinary shares, including 2,763,157 ordinary shares issued and sold pursuant to the underwriter's exercise in full of their option to purchase additional shares, and pre-funded warrants to purchase up to 2,631,578 of our ordinary shares (the "2025 Pre-Funded Warrants"). The gross proceeds to us from the December 2025 Offering were approximately $402.5 million before deducting underwriting discounts and commissions and other offering expenses, and including gross proceeds from the exercise of the Underwriters' option to purchase the additional shares in full.

Previous wording

As of December 31, 2024, we had cash and cash equivalents of $302.1 million, restricted cash of $3.8 million and an accumulated deficit of $1,121.9 million.

Current wording

As of December 31, 2025, we had cash and cash equivalents of $602.1 million, restricted cash of $3.8 million and an accumulated deficit of $1,326.2 million.

Previous wording

We expect that our existing cash and cash equivalents will be sufficient to fund our operations for at least the next twelve months. We have based this expectation on assumptions that may prove to be incorrect, and we may use our available capital resources sooner than we currently expect. In addition, we may elect to raise additional funds before we need them if the conditions for raising capital are favorable due to market conditions or strategic considerations, even if we expect we have sufficient funds for our current or future operating plans.

Current wording

We expect that our existing cash and cash equivalents will be sufficient to fund our operations for at least the next twelve months from the issuance date of these financial statements. We have based this expectation on assumptions that may prove to be incorrect, and we may use our available capital resources sooner than we currently expect. In addition, we may elect to raise additional funds before we need them if the conditions for raising capital are favorable due to market conditions or strategic considerations, even if we expect we have sufficient funds for our current or future operating plans.

Previous wording

Our operating lease commitments as of December 31, 2024 total $29.1 million, of which $9.6 million is related to payments in 2025 and approximately $19.5 million is related to payments beyond 2025.

Current wording

Our operating lease commitments as of December 31, 2025 total $19.5 million, of which $9.6 million is related to payments in 2026 and approximately $9.9 million is related to payments beyond 2026.

Previous wording

On November 12, 2024, we filed a shelf registration statement on Form S-3ASR with the SEC for which we registered for sale an indeterminate amount of any combination of our ordinary shares, debt securities, warrants, rights and/or units from time to time and at prices and on terms that we may determine, which we refer to as the “2024 WKSI Shelf”. Our 2024 WKSI Shelf includes a prospectus covering up to an aggregate of $250.0 million in ordinary shares that we are able to issue and sell from time to time, through Jefferies LLC (“Jefferies”) acting as our sales agent, pursuant to the Open Market Sale Agreement, dated May 10, 2019, as amended by Amendment No. 1, dated as of March 2, 2020, Amendment No. 2, dated as of March 3, 2022, and Amendment No. 3, dated November 12, 2024, (collectively, the “Sales Agreement”), for our “at-the-market” equity program. For the three months ended December 31, 2024, we received $5.2 million in net proceeds from sales under our “at-the-market" equity program.

Current wording

On November 12, 2024, we filed a shelf registration statement on Form S-3ASR with the SEC for which we registered for sale an indeterminate amount of any combination of our ordinary shares, debt securities, warrants, rights and/or units from time to time and at prices and on terms that we may determine, which we refer to as the “2024 WKSI Shelf”. Our 2024 WKSI Shelf includes a prospectus covering up to an aggregate of $250.0 million in ordinary shares that we are able to issue and sell from time to time, through Jefferies LLC (“Jefferies”) acting as our sales agent, pursuant to the Open Market Sale Agreement, dated May 10, 2019, as amended by Amendment No. 1, dated as of March 2, 2020, Amendment No. 2, dated as of March 3, 2022, and Amendment No. 3, dated November

Previous wording

During 2024, net cash provided by financing activities was $253.9 million, which was primarily due to the $215.8 million in net proceeds from the September 2024 Offering of ordinary shares and the 2024 Pre-Funded Warrants; as well as the $14.0 million in net proceeds from the January 2024 exercise of the underwriters’ option to purchase an additional 3,000,000 shares under the December 2023 Offering. Additionally, we received $20.4 million in net proceeds from sales under our “at-the-market” equity program.

Current wording

During 2024, net cash provided by financing activities was $253.9 million, primarily due to the $215.8 million in net proceeds from the September 2024 underwritten public offering of ordinary shares and the 2024 Pre-Funded Warrants (as defined below) (the "September 2024 Offering"); as well as the $14.0 million in net proceeds from the January 2024 exercise of the underwriters’ option to purchase an additional 3,000,000 shares under the December 2023 Offering. Additionally, we received $20.4 million in net proceeds from sales under our “at-the-market” equity program.

Previous wording

respond to the impacts of local and global health epidemics, the conflict involving Russia and Ukraine, the conflict in the Middle East, global economic uncertainty, volatility in inflation, volatility in interest rates or market disruptions on our business; and

Current wording

respond to the impacts of local and global health epidemics, geopolitical conflicts, global economic uncertainty, tariffs, rising inflation, rising interest rates or market disruptions on our business; and

Previous wording

whether and to what extent milestone events are achieved under our collaborations with Takeda and GSK or any potential future licensee or collaborator;

Current wording

whether and to what extent milestone events are achieved under our collaboration with GSK or any potential future licensee or collaborator;

Previous wording

the impacts of local and global health epidemics, the conflict involving Russia and Ukraine, the conflict in the Middle East, global economic uncertainty, volatility in inflation, volatility in interest rates or market disruptions on our business;

Current wording

the impacts of local and global health epidemics, geopolitical conflicts, global economic uncertainty, tariffs, rising inflation, rising interest rates or market disruptions on our business;

Previous wording

Adequate additional funds may not be available to us on acceptable terms when we need them, or at all. We do not currently have any committed external source of funds, except for possible future payments from GSK under our collaborations with them. To the extent that we raise additional capital through the sale of equity or convertible debt securities, the ownership interest of our existing shareholders will be diluted, and the terms may include liquidation or other preferences that adversely affect the rights of our shareholders. Additional debt financing and preferred equity financing, if available, may involve agreements that include covenants limiting or restricting our ability to take specific actions, such as incurring additional debt, making capital expenditures or declaring dividends and may require the issuance of warrants, which could potentially dilute our shareholders’ ownership interests.

Current wording

Adequate additional funds may not be available to us on acceptable terms when we need them, or at all. We do not currently have any committed external source of funds, except for possible future payments from GSK under our collaboration with them. To the extent that we raise additional capital through the sale of equity or convertible debt securities, the ownership interest of our existing shareholders will be diluted, and the terms may include liquidation or other preferences that adversely affect the rights of our shareholders. Additional debt financing and preferred equity financing, if available, may involve agreements that include covenants limiting or restricting our ability to take specific actions, such as incurring additional debt, making capital expenditures or declaring dividends and may require the issuance of warrants, which could potentially dilute our shareholders’ ownership interests.

Previous wording

Research and development services: If an arrangement is determined to contain a promise or obligation for the Company to perform research and development services, the Company must determine whether these services are distinct from other promises in the arrangement. In assessing whether the services are distinct from the other promises, the Company considers the capabilities of the customer to perform these same services. In addition, the Company considers whether the customer can benefit from a promise for its intended purpose without the receipt of the remaining promise, whether the value of the promise is dependent on the unsatisfied promise, whether there are other vendors that could provide the remaining promise, and whether it is separately identifiable from the remaining promise. For research and development services that are combined with other promises, the Company utilizes judgment to assess the nature of the combined performance obligation to determine whether the combined performance obligation is satisfied over time or at a point in time and, if over time, the appropriate method of measuring progress for purposes of recognizing revenue. The

Current wording

Research and development services: If an arrangement is determined to contain a promise or obligation for the Company to perform research and development services, the Company must determine whether these services are distinct from other promises in the arrangement. In assessing whether the services are distinct from the other promises, the Company considers the capabilities of the customer to perform these same services. In addition, the Company considers whether the customer can benefit from a promise for its intended purpose without the receipt of the remaining promise, whether the value of the promise is dependent on the unsatisfied promise, whether there are other vendors that could provide the remaining promise, and whether it is separately identifiable from the remaining promise. For research and development services that are combined with other promises, the Company utilizes judgment to assess the nature of the combined performance obligation to determine whether the combined performance obligation is satisfied over time or at a point in time and, if over time, the appropriate method of measuring progress for purposes of recognizing revenue. The Company evaluates the measure of progress each reporting period and, if necessary, adjusts the measure of performance and related revenue recognition.
Rearranged current paragraphs (3)

Current report — wording carried from elsewhere

The $65.6 million decrease in revenue year over year was driven by the revenue recognized under the Takeda Collaboration Agreement in 2024, partially offset by the increase in revenue recognized under the GSK Collaboration Agreement. The decrease in the Takeda Collaboration revenue earned year over year was primarily due to the termination of the collaboration agreement in October 2024, which led to the recognition of the remainder of the deferred revenue related to the research and development services, as well as the license related to the HD program.

Current report — wording carried from elsewhere

During the years ended December 31, 2025 and 2024, we recorded no income tax benefit or provision.

Current report — wording carried from elsewhere

12, 2024, (collectively, the “Sales Agreement”), for our “at-the-market” equity program. For the twelve months ended December 31, 2025, we received $94.6 million in net proceeds from sales under our “at-the-market" equity program.
Rearranged previous paragraphs (3)

Previous report — wording carried elsewhere

MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Previous report — wording carried elsewhere

The $109.7 million increase in revenue year over year was driven by the revenue recognized under the new GSK Collaboration Agreement, after it became effective in January 2023, as well as the increase in revenue recognized under the Takeda Collaboration Agreement. The $113.3 million in revenue recognized during the year ended December 31, 2023 was comprised of $66.3 million in revenue recognized under the GSK Collaboration Agreement and $47.0 million of revenue recognized under the Takeda Collaboration Agreement. The $3.6 million in revenue recognized during the year ended December 31, 2022 was primarily related to the research and development services under the Takeda Collaboration Agreement related to the HD, C9, and SCA3 programs. During the year ended December 31, 2023, the Company recognized revenue of $47.0 million under the Takeda Collaboration. The increase in revenue earned year over year related to the Takeda Collaboration is primarily due to the termination of the C9 and SCA3 programs in 2023 which led to the recognition of the remainder of the deferred revenue related to the research and development services, as well as the options related to the C9 and SCA3 programs.

Previous report — wording carried elsewhere

Company evaluates the measure of progress each reporting period and, if necessary, adjusts the measure of performance and related revenue recognition.