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MACOM Technology Solutions Holdings, Inc.

For the period ended Oct 3, 2025. Filed Nov 14, 2025.

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 Nov 14, 2025

MTSI$210.98+10.8%Stored close · as of Nov 6, 2026

What changed in Risk Factors?

Read the current filing

Previous report: 10-K

Period ended 2024-09-27; filed 2024-11-12.

0001493594-24-000060

ITEM 1A. : RISK FACTORS

Current report: 10-K

Period ended 2025-10-03; filed 2025-11-14.

0001493594-25-000054

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 139 previous paragraphs and 133 current paragraphs.

107 unchanged; 18 reworded; 7 added; 13 removed; 1 previous and 1 current paragraphs rearranged.

Tables are not compared: 0 previous and 0 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

A slowdown in the global economy or in a particular region or industry, uncertainty and volatility in financial markets and other unfavorable changes in economic conditions, such as inflation or major central bank policy actions, as well as an increase in trade tensions and related tariffs, including, but not limited to, the implementation of new tariffs and retaliatory trade measures, could negatively impact our business, financial condition and liquidity. In addition, as rules and regulations rapidly change across multiple jurisdictions, we could be negatively impacted by any failure to effectively respond to such changes. These risks may be particularly acute in the semiconductor industry, where cyclical demand patterns and rapid technological changes can amplify economic headwinds.

Current report

We operate in a highly regulated industry, and changes in the U.S. political landscape can significantly impact our business. Changes in the U.S. Government Administration may result in substantial modifications to laws and regulations, including, but not limited to, those related to trade policies, tariffs, export controls and technology transfers. New executive orders and legislative actions could alter the business environment in which we operate.

Current report

The U.S. Government Administration may implement new policies or reverse existing ones, affecting our international trade relations. The imposition of new tariffs or trade barriers, particularly on the semiconductor industry, could increase the cost of our raw materials or affect our ability to sell products in international markets. Additionally, changes in U.S. foreign policy or trade agreements may impact our supply chain, manufacturing and distribution of our products. Furthermore, new regulations or changes to existing regulations could require us to modify our operations and incur additional expenses to comply with the new legal standards. These changes could disrupt our business operations and negatively impact our profitability.

Current report

Further, the U.S. Government Administration may reverse or modify the terms of the CHIPS Act and associated funding provisions and opportunities contained therein and resulting therefrom, potentially freezing or retracting the provision of government funding under the CHIPS Act and impacting our ability to execute our strategic investment plan and to negotiate and finalize a definitive agreement with and receive funding from the Federal and State governments.

Current report

In addition, any significant changes enacted by the current U.S. Government Administration to the Code or specifically to the Tax Cuts and Jobs Act (the “U.S. Tax Act”) enacted in 2017, or to regulatory guidance associated with the U.S. Tax Act, could materially adversely affect our effective tax rate.

Current report

Any such changes or U.S. Government shutdowns or delays in government funding or export license reviews and approvals could have a material adverse effect on our business, financial condition and results of operations. We are actively monitoring policy developments; however, there can be no assurance that we will be successful in mitigating the risks posed by changes in government policies and regulations and/or shutdowns.

Current report

Risks Relating to our Convertible Notes
Removed paragraphs (13)

Previous report

Sources for certain components, materials and services are limited, which could result in interruptions, delays or reductions in product shipments.

Previous report

Our industry may be affected from time to time by limited supplies of certain key components, materials and services. We have in the past and may in the future, experience delays or reductions in supply shipments, which could reduce our revenue and profitability. If key components, materials or services are unavailable, our costs could increase and our revenue could decline.

Previous report

Our manufacturing headquarters, design facilities, assembly and test facilities and supply chain, and those of our contract manufacturers, are subject to risk of catastrophic loss due to fire, flood or other natural or man-made disasters. Any catastrophic loss or significant damage to any of these facilities, particularly our Lowell, Massachusetts, Nashua, New Hampshire, Limeil-Brévannes, France, Morgan Hill, California and Hsinchu, Taiwan locations, as well as the Wolfspeed-managed fabrication facility in Durham, North Carolina, could materially disrupt our operations, delay production, shipments and revenue and result in significant expenses to repair or replace the facility and, in some instances, could significantly curtail our R&D efforts, and adversely affect our business and financial results, revenue and profitability.

Previous report

Variability in self-insurance liability estimates could adversely impact our results of operations.

Previous report

We self-insure for employee health insurance and workers’ compensation insurance coverage up to a predetermined level, beyond which we maintain stop-loss insurance from a third-party insurer. Our aggregate exposure varies from year to year based upon the number of participants in our insurance plans. We estimate our self-insurance liabilities using an analysis provided by our claims administrator and our historical claims experience. Our accruals for insurance reserves reflect these estimates and other management judgments, which are subject to a high degree of variability. If the number or severity of claims for which we self-insure increases, it could cause a material and adverse change to our reserves for self-insurance liabilities, as well as to our earnings.

Previous report

We may sell, wind down or exit one or more of our businesses or product lines, from time to time, as a result of our evaluation of our businesses, products and markets, and any such divestiture could adversely affect our continuing business.

Previous report

We periodically evaluate our various businesses and product lines and may, as a result, consider the divestiture, wind down or exit of one or more of those businesses or product lines. Divestitures have inherent risks, including the inability to find potential buyers with favorable terms, the expense of selling the product line, the possibility that any anticipated sale will be delayed or will not occur and the potential delay or failure to realize the perceived strategic or financial merits of the divestment.

Previous report

however, there can be no assurance as to which companies will receive such incentives and whether the CHIPS Act will have a positive or negative impact on our competitive position.

Previous report

Customer demands and regulations related to “conflict” minerals may force us to incur additional expenses and liabilities.

Previous report

Pursuant to the Dodd-Frank Wall Street Reform and Consumer Protection Act, the SEC promulgated rules regarding disclosure and reporting requirements for companies who use “conflict” minerals mined from the Democratic Republic of Congo and adjoining countries in their products. In the semiconductor industry, these minerals are most commonly found in metals used in the manufacture of semiconductor devices and related assemblies. These requirements may adversely affect our ability to source related minerals and metals and increase our related costs. We face difficulties and increased expenses associated with complying with the related disclosure requirements, such as costs related to determining the source of any conflict minerals used in our products. Our supply chain is complex, and some suppliers may be unwilling to share related confidential information regarding the source of their products or may provide us information that is inaccurate or inadequate. If those risks arise or if our processes in obtaining that information do not fulfill the SEC’s requirements, we may face both reputational challenges and SEC enforcement risks based on our inability to sufficiently verify the origins of the subject minerals and metals or otherwise. Moreover, we may encounter challenges to satisfy any related requirements of our customers, which may be different from or more onerous than the requirements of SEC rules and executive orders. If we cannot satisfy such customers, they may choose a competitor’s products or disqualify us as a supplier, and we may experience lower than expected revenues or have to write off inventory in the event that it becomes unsalable as a result of these regulations.

Previous report

Risks Relating to our 2026 Convertible Notes

Previous report

We may not have the ability to raise the funds necessary to settle conversions of the 2026 Convertible Notes in cash or to repurchase the 2026 Convertible Notes upon a fundamental change and our debt may limit our ability to pay cash upon conversion or repurchase of the 2026 Convertible Notes.

Previous report

Holders of the 2026 Convertible Notes have the right to require us to repurchase their 2026 Convertible Notes upon the occurrence of a fundamental change at a purchase price equal to 100% of the principal amount of the 2026 Convertible Notes to be repurchased, plus accrued and unpaid interest, if any, to, but not including, the fundamental change repurchase date. In addition, unless we elect to deliver solely shares of our common stock upon conversion, we will be required to make cash payments in respect of the 2026 Convertible Notes being converted. However, we may not have enough available cash or be able to obtain financing at the time we are required to make purchases of the 2026 Convertible Notes, and our failure to do so would constitute a default under the indenture governing the 2026 Convertible Notes. In addition, our ability to repurchase the 2026 Convertible Notes or to pay cash upon conversion of the 2026 Convertible Notes could be limited by law, by regulatory authority or by agreements that will govern our future indebtedness. A default under the indenture governing the 2026 Convertible Notes or the fundamental change itself could also lead to a default under agreements governing our existing or future indebtedness.
Reworded paragraphs (18)

Previous wording

The semiconductor industry is highly cyclical and is characterized by constant and rapid technological change, price erosion, product obsolescence, evolving standards, short product lifecycles and significant fluctuations in supply and demand. The industry has historically experienced significant fluctuations in demand and product obsolescence, resulting in product overcapacity, high inventory levels and accelerated erosion of average selling prices (“ASPs”). Downturns in this industry may be prolonged, and downturns in many sectors of the electronic systems industry have in the past contributed to extended periods of weak demand for semiconductor products. We have experienced decreases in our revenue, profitability, cash flows and stock price during such downturns in the past, and may be similarly harmed by future downturns, particularly if we are unable to effectively respond to reduced demand in a particular market.

Current wording

The semiconductor industry is highly cyclical and is characterized by constant and rapid technological change, price erosion, product obsolescence, evolving standards, short product lifecycles and significant fluctuations in supply and demand. The industry has historically experienced significant fluctuations in demand and product obsolescence, resulting in product overcapacity, high inventory levels and accelerated erosion of average selling prices (“ASPs”). For instance, the capital spending on Data Center infrastructure to support artificial intelligence (“AI”) applications is rapidly expanding, which is increasing demand for our products. If capital spending on Data Center infrastructure slows down, demand for our products may decline. Downturns in our industry may be prolonged, and downturns in many sectors of the electronic systems industry have in the past contributed to extended periods of weak demand for semiconductor products. We have experienced decreases in our revenue, profitability, cash flows and stock price during such downturns in the past, and may be similarly harmed by future downturns, particularly if we are unable to effectively respond to reduced demand in a particular market.

Previous wording

In the fiscal year ended September 27, 2024, no direct customer individually accounted for 10% or more of our revenue and sales to our top 10 direct and distribution customers accounted for an aggregate of 55.8% of our revenue. While the composition of our top 10 customers varies from year to year, we expect that sales to a limited number of customers will continue to account for a significant percentage of our revenue for the foreseeable future. The purchasing arrangements with our customers are typically conducted on a purchase order basis that does not require our customers to purchase any minimum amount of our products over a period of time. As a result, it is possible that any of our major customers could terminate their purchasing arrangements with us with little or no warning and without penalty, or significantly reduce or delay the amount of our products that they order, purchase products from our competitors or develop their own products internally. The loss of, or a reduction in, orders from any major customer may cause a material decline in revenue and adversely affect our results of operations.

Current wording

In the fiscal year ended October 3, 2025, no direct customers individually accounted for 10% or more of our revenue and sales to our top 10 direct and distribution customers accounted for an aggregate of 56.7% of our revenue. While the composition of our top 10 customers varies from year to year, we expect that sales to a limited number of customers will continue to account for a significant percentage of our revenue for the foreseeable future. The purchasing arrangements with our customers are typically conducted on a purchase order basis that does not require our customers to purchase any minimum amount of our products over a period of time. As a result, it is possible that any of our major customers could terminate their purchasing arrangements with us with little or no warning and without penalty, or significantly reduce or delay the amount of our products that they order, purchase products from our competitors or develop their own products internally. The loss of, or a reduction in, orders from any major customer may cause a material decline in revenue and adversely affect our results of operations.

Previous wording

We rely on our information technology (“IT”) systems and services for the effective operation of our business and for the secure maintenance and storage of confidential data relating to our business. These systems and services are both internally managed and outsourced, and, in many cases, we rely upon third party service providers. Any failure of these internal or third party systems and services to operate effectively could disrupt our operations and have a material adverse effect on our business, financial condition and/or results of operations. Our operations are dependent upon our ability to protect our IT infrastructure against damage from business continuity events that could have a significant disruptive effect. Although our internal IT team actively takes steps to protect our information and operational systems, unauthorized persons or disloyal insiders may be able to penetrate our security controls, and develop and deploy viruses, worms and other malicious software programs that compromise and/or exfiltrate our confidential information or that of third parties and cause a disruption or failure of our information and/or operational technology systems. In addition, we have in the past and may in the future be subject to attacks in which third parties attempt to obtain personal information and or infiltrate our systems to obtain proprietary or confidential information, disrupt operations by deploying malicious code, viruses or malware (such as ransomware). Cyberattacks are increasing in number and sophistication, are often well-financed, in some cases supported by state actors, and are designed to not only attack, but also to evade detection. Since the techniques used by cyber attackers change frequently and are often not recognized until launched against a target, we may be unable to anticipate these techniques or to implement adequate preventative measures. In addition to other factors, our position within the supply chain to the U.S. Government may increase our risk of being targeted by malicious actors. Similarly, attackers could implant malicious code into software that we may purchase, and this supply chain vulnerability could disrupt our operations, compromise our data or lead to other cyber harms. Recent global developments have created an environment in which malicious actors may have increased opportunity and motivation for breaching or compromising our systems.

Current wording

We rely on our information technology (“IT”) systems and services for the effective operation of our business and for the secure maintenance and storage of confidential data relating to our business. In the ordinary course of our business, we and our third-party service providers collect, maintain and transmit sensitive data on our networks and systems, including Company and third-party intellectual property and proprietary or confidential business information (such as research data and personal information). These systems and services are both internally managed and outsourced, and, in many cases, we rely upon third-party service providers. Any failure of these internal or third-party systems and services to operate effectively could disrupt our operations and have a material adverse effect on our business, financial condition and/or results of operations. Our operations are heavily dependent on the functioning of our IT infrastructure to carry out our business processes and our ability to protect our IT infrastructure against damage from business continuity events that could have a significant disruptive effect. Although our internal information security team has adopted administrative, technical and physical safeguards and actively takes steps to protect our information, data and operational systems, unauthorized persons or disloyal insiders may be able to penetrate our security controls, and develop and deploy viruses, worms and other malicious software programs that compromise and/or exfiltrate our confidential information or that of third parties and cause a disruption or failure of our information and/or operational technology systems. In addition, we have in the past and may in the future be subject to attacks in which third parties attempt to obtain personal information and or infiltrate our systems to obtain proprietary or confidential information, disrupt operations by deploying malicious code, viruses or malware (such as ransomware). Cyberattacks are increasing in number and sophistication, are often well-financed, in some cases supported by state actors, and are designed to not only attack, but also to evade detection. Since the techniques used by cyber attackers change frequently and are often not recognized until launched against a target, we may be unable to anticipate these techniques or to implement adequate preventative measures. In addition to other factors, our position within the supply chain to the U.S. Government may increase our risk of being targeted by malicious actors. Similarly, attackers could implant malicious code into software that we may purchase, and this supply chain vulnerability could disrupt our operations, compromise our data or lead to other cyber harms. Recent global developments have created an environment in which malicious actors may have increased opportunity and motivation for breaching or compromising our systems.

Previous wording

As of September 27, 2024, we had approximately $74.8 million in money market funds and $435.1 million in short-term investments, respectively. The debt security investments consisted of commercial paper, corporate bonds and U.S. Treasury securities. We currently do not use derivative financial instruments to adjust our investment portfolio risk or income profile. These investments, as well as any cash deposited in bank accounts, are subject to general credit, liquidity, market and interest rate risks. We regularly maintain cash balances that are not insured or are in excess of the FDIC’s insurance limit. If the global financial markets continue to experience volatility or deteriorate, our investment portfolio and cash balances may be impacted and some or all of our investments may become illiquid or otherwise experience loss which could adversely impact our financial results and position.

Current wording

As of October 3, 2025, we had approximately $63.8 million in money market funds and $673.8 million in short-term investments, respectively. The debt security investments consisted of commercial paper, corporate bonds and U.S. Treasury securities. We currently do not use derivative financial instruments to adjust our investment portfolio risk or income profile. These investments, as well as any cash deposited in bank accounts, are subject to general credit, liquidity, market and interest rate risks. We regularly maintain cash balances that are not insured or are in excess of the FDIC’s insurance limit. If the global financial markets continue to experience volatility or deteriorate, our investment portfolio and cash balances may be impacted and some or all of our investments may become illiquid or otherwise experience loss which could adversely impact our financial results and position.

Previous wording

Sales to customers located outside the U.S. accounted for 55.1% of our revenue for the fiscal year ended September 27, 2024. Sales to customers located in China and the Asia Pacific region typically account for a large portion of our overall sales to customers located outside the U.S. For example, fiscal year 2024 sales to customers in China and the Asia Pacific region accounted for 24.4% and 12.2% of total fiscal year 2024 sales, respectively. We expect that revenue from international sales generally, and sales to China and the Asia Pacific region specifically, will continue to be a material part of our total revenue. Therefore, any financial crisis, trade war or dispute, domestic semiconductor supply chain initiatives, health crisis or other major event causing business disruption in international jurisdictions generally, and China and the Asia Pacific region in particular, could negatively affect our future revenues and results of operations. For example, in October 2022 and 2023, the BIS introduced restrictions related to semiconductor manufacturing, supercomputer and advanced computing items and end-uses, which restrict or prohibit the ability to sell, ship and support certain equipment and services to China. Such actions in the future, as well as China’s continuously evolving policies, laws and regulations, including those related to antitrust, cybersecurity, data protection and data privacy, the environment, indigenous innovation (including actions in furtherance of China’s stated policy of reducing its dependence on foreign semiconductor manufacturers) and intellectual property rights and enforcement and protection of those rights, could increase the cost of doing business in China, foster the emergence of additional Chinese-based competitors and/or decrease the demand for our products in China, which could have a material adverse effect on our business and results of operations. Additionally, other factors affecting the Chinese economy, such as government-imposed lockdowns in response to a pandemic, inflation, geopolitical conflict, or otherwise, could limit the demand in China for electronic devices containing our products, which could have a material adverse effect on our business and results of operations.

Current wording

Sales to customers located outside the U.S. accounted for 56.3% of our revenue for the fiscal year ended October 3, 2025. Sales to customers located in China and the Asia Pacific region typically account for a large portion of our overall sales to customers located outside the U.S. For example, fiscal year 2025 sales to customers in China and the Asia Pacific region accounted for 28.4% and 11.5% of total fiscal year 2025 sales, respectively. We expect that revenue from international sales generally, and sales to China and the Asia Pacific region specifically, will continue to be a material part of our total revenue. Therefore, any financial crisis, trade war or dispute, domestic semiconductor supply chain initiatives, health crisis or other major event causing business disruption in international jurisdictions generally, and China and the Asia Pacific region in particular, could negatively affect our future revenues and results of operations. For example, in October 2022 and 2023, the BIS introduced restrictions related to semiconductor manufacturing, supercomputer and advanced computing items and end-uses, which restrict or prohibit the ability to sell, ship and support certain equipment and services to China. Such actions in the future, as well as China’s continuously evolving policies, laws and regulations, including those related to antitrust, cybersecurity, data protection and data privacy, the environment, indigenous innovation (including actions in furtherance of China’s stated policy of reducing its dependence on foreign semiconductor manufacturers) and intellectual property rights and enforcement and protection of those rights, could increase the cost of doing business in China, foster the emergence of additional Chinese-based competitors and/or decrease the demand for our products in China, which could have a material adverse effect on our business and results of operations. Additionally, other factors affecting the Chinese economy, such as government-imposed lockdowns in response to a pandemic, inflation, geopolitical conflict, or otherwise, could limit the demand in China for electronic devices containing our products, which could have a material adverse effect on our business and results of operations.

Previous wording

Adverse global economic conditions could have a negative impact on our business, results of operations and financial condition and liquidity.

Current wording

Adverse global economic conditions, including as a result of evolving impacts from global tariffs, sanctions or other trade tensions, and our ability to effectively respond to rapidly changing rules and regulations, could negatively impact our business, results of operations and financial condition and liquidity.

Previous wording

A general slowdown in the global economy, including a recession, or in a particular region or industry, an increase in trade tensions with U.S. trading partners, inflation or a tightening of the credit markets could negatively impact our business, financial condition and liquidity. Adverse global economic conditions have, from time to time, caused or exacerbated significant slowdowns in the industries and markets in which we operate, which have adversely affected our business and results of operations. Geopolitical issues (including, but not limited to China-Taiwan relations), macroeconomic weakness and uncertainty also make it more difficult for us to accurately forecast revenue, gross margin and expenses. An escalation of trade tensions between the U.S. and China has resulted in trade restrictions and increased tariffs that harm our ability to participate in Chinese markets or compete effectively with Chinese companies. Sustained uncertainty about, or worsening of, current global economic conditions and further escalation of trade tensions between the U.S. and its trading partners could result in a global economic slowdown and long-term changes to global trade. Such events may also (i) cause our customers and consumers to reduce, delay or forgo technology spending, (ii) result in customers sourcing products from other suppliers not subject to such restrictions or tariffs, (iii) lead to the insolvency or consolidation of key suppliers and customers and (iv) intensify pricing pressures. Any or all of these factors could negatively affect demand for our products and our business, financial condition and results of operations.

Current wording

Adverse global economic conditions have, in the past, caused significant slowdowns in the industries and markets in which we operate, adversely impacting our business and results of operations. Macroeconomic weakness and uncertainty may also make it more difficult to accurately forecast operating results and raise or refinance debt. An escalation of trade tensions between the United States and its trading partners has resulted in trade restrictions and tensions that may harm our ability to participate in some markets or compete effectively and could limit our ability to sell products in certain markets or source components from specific suppliers, potentially disrupting our supply chain and manufacturing capabilities. Sustained uncertainty about, or worsening of, current global economic conditions and further tariffs and escalations of trade tensions between the U.S. and its trading partners and the decoupling of the global economies could result in an economic slowdown and long-term changes to global trade. Such events may also (i) cause our customers to reduce, delay or forgo technology spending, (ii) result in customers sourcing products from other suppliers not subject to restrictions or tariffs, (iii) intensify pricing pressures and (iv) lead to the insolvency or consolidation of key suppliers and customers. Any or all of these factors could negatively impact demand for our products and our business, financial condition and results of operations.

Previous wording

We sell many of our products to customers through independent sales representatives and distributors, as well as through our direct sales force. We are unable to predict the extent to which our independent sales representatives and distributors will be successful in marketing and selling our products. Our relationships with our representatives and distributors typically may be terminated by either party at any time, and do not require them to buy any of our products. Sales to distributors accounted for approximately 29.3% of our revenue for the fiscal year ended September 27, 2024. If our sales representatives or distributors cease doing business with us or fail to successfully market and sell our products, our ability to sustain and grow our revenue could be materially adversely affected.

Current wording

We sell many of our products to customers through independent sales representatives and distributors, as well as through our direct sales force. We are unable to predict the extent to which our independent sales representatives and distributors will be successful in marketing and selling our products. Our relationships with our representatives and distributors typically may be terminated by either party at any time, and do not require them to buy any of our products. Sales to distributors accounted for approximately 32.3% of our revenue for the fiscal year ended October 3, 2025. If our sales representatives or distributors cease doing business with us or fail to successfully market and sell our products, our ability to sustain and grow our revenue could be materially adversely affected.

Previous wording

We operate leased semiconductor wafer processing and manufacturing facilities at our headquarters in Lowell, Massachusetts, and at our Ann Arbor, Michigan and Limeil-Brévannes, France sites. These facilities are also important internal design, assembly and test facilities. We maintain other internal assembly and test operation facilities as well, including leased sites in Hamilton, New Jersey, Morgan Hill, California, Nashua, New Hampshire, and Hsinchu, Taiwan. We also use multiple external foundries for outsourced semiconductor wafer supply, as well as multiple domestic and Asian assembly and test suppliers to assemble and test our products. A number of factors will affect the future success of these internal manufacturing facilities and outsourced supply and service arrangements, including the level of demand for our products; our ability to expand and contract our facilities and purchase commitments in a timely and cost-effective manner; our ability to generate revenue in amounts that cover the significant fixed costs of operating our facilities; our ability to qualify our facilities for new products and process technologies in a timely manner and avoid complications; the availability of raw materials; the availability and continued operation of key equipment; our manufacturing cycle times and yields; political and economic risks; the occurrence of natural disasters, pandemics, acts of terrorism, armed conflicts or unrest impacting our facilities and those of our outsourced suppliers; our ability to hire, train, manage and retain qualified production personnel; our compliance with applicable environmental and other laws and regulations; our ability to avoid prolonged periods of downtime or high levels of scrap in our and our suppliers’ facilities for any reason; and our ability to negotiate renewals to our existing lease agreements on favorable terms and without disruption to our wafer processing and manufacturing and internal assembly and test operations at our sites where such activities take place. The effectiveness of our supply chain could be adversely affected by such issues and harm our results of operations. In August 2022, the U.S. enacted the Creating Helpful Incentives to Produce Semiconductors and Science Act of 2022 (the “CHIPS Act”), which provides certain financial incentives to the semiconductor industry, primarily for manufacturing activities within the U.S., which may potentially be available to us and our competitors;

Current wording

We operate leased semiconductor wafer processing and manufacturing facilities at our headquarters in Lowell, Massachusetts, and at our Ann Arbor, Michigan, RTP, North Carolina and Limeil-Brévannes, France sites. These facilities are also important internal design, assembly and test facilities. We maintain other internal assembly and test operation facilities as well, including leased sites in Hamilton, New Jersey, Morgan Hill, California, Nashua, New Hampshire, and Hsinchu, Taiwan. We also use multiple external foundries for outsourced semiconductor wafer supply, as well as multiple domestic and Asian assembly and test suppliers to assemble and test our products. A number of factors will affect the future success of these internal manufacturing facilities and outsourced supply and service arrangements, including the level of demand for our products; our ability to expand and contract our facilities and purchase commitments in a timely and cost-effective manner; our ability to generate revenue in amounts that cover the significant fixed costs of operating our facilities; our ability to qualify our facilities for new products and process technologies in a timely manner and avoid complications; the availability of raw materials; the availability and continued operation of key equipment; our manufacturing cycle times and yields; political and economic risks; the occurrence of natural disasters, pandemics, acts of terrorism, armed conflicts or unrest impacting our facilities and those of our outsourced suppliers; our ability to hire, train, manage and retain qualified production personnel; our compliance with applicable environmental and other laws and regulations; our ability to avoid prolonged periods of downtime or high levels of scrap in our and our suppliers’ facilities for any reason; and our ability to negotiate renewals to our existing lease agreements on favorable terms and without disruption to our wafer processing and manufacturing and internal assembly and test operations at our sites where such activities take place. The effectiveness of our supply chain could be adversely affected by such issues and harm our results of operations.

Previous wording

GaN-on-Silicon, certain Laser products and our Air Force Research Laboratory related process technology transfer. These development risks may be associated with internal MACOM capabilities and/or external factors, which may include, but not limited to, matters with one or more third party foundries, assembly and test suppliers, qualifying related products with our customers and marketing efforts, and we may not be successful in process or product qualification and/or manufacturing cost reductions. In addition, we may not realize the competitive advantage we anticipate from related investments and may not realize customer demand that meets our expectations, any of which could lead to higher than expected operating expense, lower than expected revenue and gross margin, associated charges or otherwise reduce the price of our common stock. We may not be successful in our R&D efforts or may not realize the competitive advantages, revenues or profits we anticipate from new products, any of which may lead to higher R&D expense, lower than expected revenues and gross margin and reduced profitability, or may otherwise harm our business or reduce the price of our common stock. Such results, or anticipated results, may cause us to reevaluate our investment in those areas of our business.

Current wording

The semiconductor industry requires substantial investment in technology as well as R&D in order to bring to market new and enhanced technologies and products. Our R&D expenses were $244.5 million for the fiscal year ended October 3, 2025. In each of the last three fiscal years, we invested in R&D as part of our strategy toward the development of innovative products and solutions to help support our growth and profitability. We cannot assure you if, or when, the products and solutions where we have focused our R&D expenditures will become commercially successful. In addition, we may not have sufficient resources to maintain the level of investment in R&D required to remain competitive or succeed in our strategy. Our efforts to develop new and improved process technologies for use in our products require substantial expenditures that may generate an inadequate return on investment, if any, or may take longer than we anticipate to generate a return. For example, we have in the past and may continue to experience additional and new unexpected difficulties, expenses or delays in qualifying and completing certain of our development projects including our GaN-on-Silicon, certain Laser products and our Air Force Research Laboratory related process technology transfer. These development risks may be associated with internal MACOM capabilities and/or external factors, which may include, but not limited to, matters with one or more third-party foundries, assembly and test suppliers, qualifying related products with our customers and marketing efforts, and we may not be successful in process or product qualification and/or manufacturing cost reductions. In addition, we may not realize the competitive advantage we anticipate from related investments and may not realize customer demand that meets our expectations, any of which could lead to higher than expected operating expense, lower than expected revenue and gross margin, associated charges or otherwise reduce the price of our common stock. We may not be successful in our R&D efforts or may not realize the competitive advantages, revenues or profits we anticipate from new products, any of which may lead to higher R&D expense, lower than expected revenues and gross margin and reduced profitability, or may otherwise harm our business or reduce the price of our common stock. Such results, or anticipated results, may cause us to reevaluate our investment in those areas of our business.

Previous wording

Our future results could be adversely affected by changes in interpretations of existing laws and regulations, or changes in laws and regulations, including, among others, changes in accounting standards, taxation requirements, competition laws, trade laws, import and export restrictions, privacy laws and environmental laws in the U.S. and other countries. The U.S. government has made statements and taken certain actions that have led to, and may lead to further, changes to U.S. and international export and import controls or trade policies, including tariffs affecting certain products exported by a number of U.S. trading partners, including China. In response, many of those trading partners, including China, have imposed or proposed new or higher tariffs on American products. It is unknown whether and to what extent new tariffs (or other new laws or regulations) will be adopted, or the effect that any such actions would have on us or our industry and customers. Any unfavorable government policies on international trade, such as export and import controls, capital controls or tariffs, may affect the demand for our products and services, increase the cost of components, delay production, impact the competitive position of our products or prevent us from being able to sell products in certain countries. If any new export or import controls, tariffs, legislation or regulations are implemented or if existing trade agreements are renegotiated such changes could have an adverse effect on our business, financial condition and results of operations. In addition, proceedings to enforce, or the enforcement of, any laws, regulations and policies by the U.S. or other countries, and the resulting response to such actions, may have an adverse effect on our business, financial condition and results of operations.

Current wording

Our future results could be adversely affected by changes in interpretations of existing laws and regulations, or changes in laws and regulations, including, among others, changes in accounting standards, taxation requirements, competition laws, trade laws, import and export restrictions, privacy laws and environmental laws in the U.S. and other countries. The U.S. government has implemented tariff and other trade control policies, and may take further actions, that have led to, and may lead to further, changes to U.S. and international export and import controls or trade policies, including tariffs affecting certain products exported by a number of U.S. trading partners, including China. In response, many of those trading partners, including China, have imposed or proposed new or higher tariffs on American products and export controls related to China’s rare earth metals. It is unknown whether and to what extent new tariffs, export control measures or other new laws or regulations will be adopted, or the effect that any such actions would have on us or our industry and customers. Any unfavorable government policies on international trade, such as export and import controls, capital controls or tariffs, may affect the demand for our products and services, increase the cost of components, delay production, impact the competitive position of our products or prevent us from being able to sell products in certain countries. If any new export or import controls, tariffs, legislation or regulations are implemented or if existing trade agreements are renegotiated such changes could have an adverse effect on our business, financial condition and results of operations. In addition, proceedings to enforce, or the enforcement of, any laws, regulations and policies by the U.S. or other countries, and the resulting response to such actions, may have an adverse effect on our business, financial condition and results of operations.

Previous wording

Our effective tax rate is highly dependent upon the geographic composition of our worldwide earnings and tax regulations governing each region, each of which can change from period to period. We are subject to income taxes in both the U.S. and various foreign jurisdictions and significant judgment is required to determine our worldwide tax liabilities. Our effective tax rate as well as the actual tax ultimately payable could be adversely affected by changes in the amount of our earnings attributable to countries with differing statutory tax rates, changes in the valuation of our deferred tax assets, changes in tax laws (or the interpretation of those laws by regulators) or tax rates (particularly in the U.S. or Ireland), increases in non-deductible expenses, the availability of tax credits (including, but not limited to through the CHIPS Act), material audit assessments or repatriation of non-U.S. earnings, each of which could materially affect our profitability. For example, as of September 27, 2024, we had $265.1 million of gross federal net operating loss (“NOL”) carryforwards, which, for those generated prior to the effective date of the 2017 Tax Cuts and Jobs Act (“Tax Act”), will expire at various dates through 2036, while those generated subsequent to the Tax Act have an indefinite carryforward with no expiration. However, our ability to use these federal NOL carryforwards and other deferred tax assets may be limited. Realization of our deferred tax assets is dependent upon us generating sufficient future taxable income. Deferred tax assets are reviewed and assessed on a periodic basis for future realizability. Future charges against our earnings could result in all or some portion of the deferred tax asset to not be realized. This could be caused by, among other things, deterioration in our operational performance, future impairment charges, adverse market conditions, geopolitical unrest, adverse changes in tax and other applicable laws or regulations and a variety of other factors. Any significant increase in our effective tax rates could materially reduce our net income in future periods and decrease the value of your investment in our common stock.

Current wording

Our effective tax rate is highly dependent upon the geographic composition of our worldwide earnings and tax regulations governing each region, each of which can change from period to period. We are subject to income taxes in both the U.S. and various foreign jurisdictions and significant judgment is required to determine our worldwide tax liabilities. Our effective tax rate as well as the actual tax ultimately payable could be adversely affected by changes in the amount of our earnings attributable to countries with differing statutory tax rates, changes in the valuation of our deferred tax assets, changes in tax laws (or the interpretation of those laws by regulators) or tax rates (particularly in the U.S. or Ireland), increases in non-deductible expenses, the availability of tax credits (including, but not limited to through the CHIPS Act), material audit assessments or repatriation of non-U.S. earnings, each of which could materially affect our profitability. For example, as of October 3, 2025, we had $240.9 million of gross federal net operating loss (“NOL”) carryforwards, which, for those generated prior to the effective date of the U.S. Tax Act, will expire at various dates through 2038, while those generated subsequent to the U.S. Tax Act have an indefinite carryforward with no expiration. However, our ability to use these federal NOL carryforwards and other deferred tax assets may be limited. Realization of our deferred tax assets is dependent upon us generating sufficient future taxable income. Deferred tax assets are reviewed and assessed on a periodic basis for future realizability. Future charges against our earnings could result in all or some portion of the deferred tax asset to not be realized. This could be caused by, among other things, deterioration in our operational performance, future impairment charges, adverse market conditions, geopolitical unrest, adverse changes in tax and other applicable laws or regulations and a variety of other factors. Any significant increase in our effective tax rates could materially reduce our net income in future periods and decrease the value of your investment in our common stock.

Previous wording

For example, between July 8, 2024 and August 7, 2024, the market price of our common stock had a cumulative decline of approximately 18.8%. Companies that have experienced volatility in the market price of their stock have been subject to securities class action litigation. We may be the target of this type of litigation in the future. Securities litigation against us could result in substantial costs and divert our management’s attention from other business concerns, which could seriously harm our business.

Current wording

For example, between February 5, 2025 and April 8, 2025, the market price of our common stock had a cumulative decline of approximately 35.4%. Companies that have experienced volatility in the market price of their stock have been subject to securities class action litigation. We may be the target of this type of litigation in the future. Securities litigation against us could result in substantial costs and divert our management’s attention from other business concerns, which could seriously harm our business.

Previous wording

Our largest stockholder controls a significant amount of our outstanding common stock. As of September 27, 2024, Susan Ocampo beneficially owned 17.8% of our common stock. As a result, these stockholders will be able to exert a significant degree of influence over our management and affairs and control over matters requiring stockholder approval, including the election of our directors and approval of significant corporate transactions. In addition, this concentration of ownership may delay or prevent a change in control of us and might affect the market price of our securities. In addition, the interests of this stockholder may not always coincide with your interests or the interests of other stockholders.

Current wording

Our largest stockholder controls a significant amount of our outstanding common stock. As of October 3, 2025, Susan Ocampo beneficially owned 12.5% of ourcommon stock. As a result, this stockholder will be able to exert a significant degree of influence over our management and affairs and control over matters requiring stockholder approval, including the election of our directors and approval of significant corporate transactions. In addition, this concentration of ownership may delay or prevent a change in control of us and might affect the market price of our securities. In addition, the interests of this stockholder may not always coincide with your interests or the interests of other stockholders.

Previous wording

Servicing our debt, including our 2026 Convertible Notes, requires a significant amount of cash, and we may not have sufficient cash flow from our business to pay our indebtedness.

Current wording

Servicing our debt, including our 2026 Convertible Notes and 2029 Convertible Notes, requires a significant amount of cash, and we may not have sufficient cash flow from our business to pay our indebtedness.

Previous wording

Our ability to make payments of the principal of, to pay interest on, or to refinance, our 2026 Convertible Notes (as defined in Note 15 - Debtto the Consolidated Financial Statements included in this Annual Report), or to make cash payments in connection with any conversion of the 2026 Convertible Notes depends on our future performance, which is subject to economic, financial, competitive and other factors beyond our control. Our business may not continue to generate cash flow from operations in the future sufficient to service the 2026 Convertible Notes or other indebtedness and make necessary capital expenditures. If we are unable to generate such cash flow, we may be required to adopt one or more alternatives, such as selling assets, restructuring indebtedness or obtaining additional equity capital on terms that may be onerous or highly dilutive. Our ability to refinance the 2026 Convertible Notes or our other indebtedness will depend on the capital markets and our financial condition at such time. We may not be able to engage in any of these activities or engage in these activities on desirable terms, which could result in a default on our debt obligations.

Current wording

Our ability to make payments of the principal of our 2026 Convertible Notes and our 2029 Convertible Notes (each as defined in Note 15 - Debtto the Consolidated Financial Statements included in this Annual Report), or to make cash payments in connection with any conversion of the 2026 Convertible Notes and the 2029 Convertible Notes depends on our future performance, which is subject to economic, financial, competitive and other factors beyond our control. Our business may not continue to generate cash flow from operations in the future sufficient to service the 2026 Convertible Notes, the 2029 Convertible Notes or other indebtedness and make necessary capital expenditures. If we are unable to generate such cash flow, we may be required to adopt one or more alternatives, such as selling assets, restructuring indebtedness or obtaining additional equity capital on terms that may be onerous or highly dilutive. Our ability to refinance the 2026 Convertible Notes, the 2029 Convertible Notes or our other indebtedness will depend on the capital markets and our financial condition at such time. We may not be able to engage in any of these activities or engage in these activities on desirable terms, which could result in a default on our debt obligations.

Previous wording

Provisions in indenture governing the 2026 Convertible Notes may delay or prevent an otherwise beneficial business combination.

Current wording

Provisions in indenture governing the 2026 Convertible Notes and 2029 Convertible Notes may delay or prevent an otherwise beneficial business combination.

Previous wording

The terms of the 2026 Convertible Notes require us to repurchase the 2026 Convertible Notes in the event of a “fundamental change” as defined under the indenture governing the 2026 Convertible Notes. A fundamental change of our Company would trigger an option of the holders of the 2026 Convertible Notes to require us to repurchase the 2026 Convertible Notes. In addition, if a make-whole fundamental change occurs prior to the maturity date of the 2026 Convertible Notes, we will in some cases be required to increase the conversion rate for a holder that elects to convert its 2026 Convertible Notes. Furthermore, the indenture that governs the 2026 Convertible Notes prohibits us from engaging in certain mergers or acquisitions unless, among other things, the surviving entity assumes our obligations under the 2026 Convertible Notes. This may have the effect of delaying or preventing an acquisition of our Company that could be beneficial to investors.

Current wording

The terms of the 2026 Convertible Notes and 2029 Convertible Notes require us to repurchase the 2026 Convertible Notes in the event of a “fundamental change” as defined under the indenture governing the 2026 Convertible Notes and 2029 Convertible Notes. A fundamental change of our Company would trigger an option of the holders of the 2026 Convertible Notes and 2029 Convertible Notes to require us to repurchase the 2026 Convertible Notes. In addition, if a make-whole fundamental change occurs prior to the maturity date of the 2026 Convertible Notes and 2029 Convertible Notes, we will in some cases be required to increase the conversion rate for a holder that elects to convert its 2026 Convertible Notes and 2029 Convertible Notes. Furthermore, the indenture that governs the 2026 Convertible Notes and 2029 Convertible Notes prohibits us from engaging in certain mergers or acquisitions unless, among other things, the surviving entity assumes our obligations under the 2026 Convertible Notes and 2029 Convertible Notes. This may have the effect of delaying or preventing an acquisition of our Company that could be beneficial to investors.
Rearranged current paragraphs (1)

Current report — wording carried from elsewhere

Changes in U.S. Government Administration Could Materially Affect Our Business, Financial Condition and Results of Operations
Rearranged previous paragraphs (1)

Previous report — wording carried elsewhere

The semiconductor industry requires substantial investment in technology as well as R&D in order to bring to market new and enhanced technologies and products. Our R&D expenses were $182.2 million for the fiscal year ended September 27, 2024. In each of the last three fiscal years, we invested in R&D as part of our strategy toward the development of innovative products and solutions to help support our growth and profitability. We cannot assure you if, or when, the products and solutions where we have focused our R&D expenditures will become commercially successful. In addition, we may not have sufficient resources to maintain the level of investment in R&D required to remain competitive or succeed in our strategy. Our efforts to develop new and improved process technologies for use in our products require substantial expenditures that may generate an inadequate return on investment, if any, or may take longer than we anticipate to generate a return. For example, we have in the past and may continue to experience additional and new unexpected difficulties, expenses or delays in qualifying and completing certain of our development projects including our