Halozyme Therapeutics

None of the serious warning signs we check for were found. 1 thing worth knowing.

We look for five warning signs: doubt it can keep going, weak checks on its own accounts, a notice that its past accounts can't be relied on, a change of auditor, and one customer bringing in a big share of sales. We don't check lawsuits, investigations or debt yet.

We checked the auditor's report, internal controls, restatement notices, auditor changes and big customers in the 10-K filed 17 Feb 2026, plus the 10-Q filed 6 Aug 2026 and 12 later 8-Ks.

• One big customer

  Worth knowing

  One customer brings in a big share of sales: 41% last year. Losing that customer would hurt.

  “Partner A | 41% | 41% | 44%”

  From the 10-K filed 17 February 2026, Item 1. Business (table). Read it in the filing

• It carries a lot of debt: 43.9× its equity.

Whether the price already reflects the risks is what the deep dive is for.

• Workforce reduction at federal agencies and changes in U.S. trade policy, including tariffs and potential countermeasures by trading partners, could delay regulatory approval and increase our or our partners’ costs, disrupt global supply chains and have a material adverse impact on our business, financial condition, and results of operations.

  Could happen

  The current federal government administration has increased, and has indicated a willingness to continue to increase, the use of tariffs by the U.S. to accomplish certain policy goals. Such tariffs and any countermeasures by the U.S.’ trading partners could increase the cost of raw materials, components and finished goods necessary for our or our partners’ operations, disrupt global supply chains, create additional operational challenges and cause widespread uncertainty in the financial markets. Further, it is possible the administration’s trade policy changes directly impacting the biopharmaceutical industry and related uncertainty about such policy changes could increase volatility in the market valuation of companies in the healthcare industry. Because of these dynamics, we cannot predict the impact of any future changes to international trading relationships or the ultimate impact recently adopted tariff policies will have on our business. Such changes in tariffs and trade regulations could have a material adverse effect on our financial condition, results of operations and cash flows. Additionally, recent widespread reductions in workforce at federal health agencies, including the FDA, could have a negative impact on the speed with which our products or devices and our partners’ products are reviewed and approved for commercialization.

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• The rising cost of healthcare pricing has led to cost containment pressures from third-party payers as well as changes in federal coverage and reimbursement policies and practices that could cause us and our partners to sell our products at lower prices, and impact access to our and our partners’ products, resulting in less revenue to us.

  Could happen

  Additionally, a number of Congressional committees have also held hearings and evaluated proposed legislation on drug pricing and payment policy which may affect our business. Legislative proposals have been introduced that, if enacted and implemented, could affect access to and revenue from our partners’ products, allow the federal government to engage in price negotiations on certain drugs, and allow importation of prescription medication from Canada or other countries. For example, in August 2022, The Inflation Reduction Act of 2022 (the “IRA”) was enacted which will, among other things, allow and require the federal government to negotiate prices for some drugs covered under Medicare Part B and Part D, require drug companies to pay rebates to Medicare if prices rise faster than inflation for drugs used by Medicare beneficiaries and cap out-of-pocket spending for individuals enrolled in Medicare Part D. In May 2025, CMS issued draft guidance for 2028 price controls under the IRA that creates uncertainty as to whether combination therapies, such as our partners’ ENHANZE products, will be protected from IRA price negotiations for thirteen years following approval of the combination therapy. In September 2025, following a review of comments submitted in response to the draft guidance, CMS issued final guidance for 2028 price controls under the IRA, indicating that due to the complexity and scope of this issue, CMS believes additional time is necessary to develop objective policy criteria if CMS were to finalize such a policy, and thus did not make a change to the fixed combination drug policy. CMS indicated it intends to continue to consider the appropriate policy to implement in rulemaking beginning in initial price applicability year 2029. For initial price applicability year 2028, CMS will maintain its approach to fixed combination drugs which states that if a drug is a fixed combination drug with two or more active moieties / active ingredients, the distinct combination of active moieties / active ingredients will be considered as one active moiety / active ingredient for the purpose of identifying potential qualifying single source drugs. A product containing only one (but not all) of the active moieties / active ingredients that is offered by the same New Drug Application / Biologics License Application holder will not be aggregated with the formulations of the fixed combination drug and will be considered a separate potential qualifying single source drug. Section 30.1 of this final guidance details how CMS intends to treat fixed combination drugs and gives an example to illustrate the application.

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• We face competition and rapid technological change that could result in the development of products by others that are competitive with our proprietary and partnered products, including those under development.

  Could happen

  Additionally, artificial intelligence (“AI”) based software is increasingly being used in the biopharmaceutical industry including by companies with which we compete. We are increasing the use of AI tools and technology and intend to integrate AI more broadly in our operations with the goal of increasing operational efficiencies, improve cycle times and improve decision-making, thus strengthening our ability to compete. The integration of third-party AI technology with our operations relies on certain safeguards implemented by the third-party developers of the underlying AI technology including those related to security and the accuracy, bias and other variables of the data, and these safeguards may not be sufficient to mitigate the risks associated with the use of AI. Furthermore, the use of AI based software may result in cybersecurity incidents and lead to the inadvertent release of personal information or other confidential proprietary information, which may impact our ability to realize the benefit of our intellectual property. Governments have passed laws and are likely to pass additional laws regulating the use of generative AI. Our use of this technology could result in compliance costs, regulatory investigations and actions, and lawsuits. If we are unable to use generative AI due to any of the risks associated with such use, it could make our business less efficient and result in competitive disadvantages.

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• We may be required to initiate or defend against legal proceedings related to intellectual property rights, which may result in substantial expense, delay and/or cessation of certain development and commercialization of our products.

  Could happen

  We may be required to initiate or defend against legal proceedings related to our intellectual property rights which may be time-consuming and result in substantial litigation expense. For example, in April 2025 we filed a patent infringement lawsuit against Merck Sharp & Dohme Corp. (“Merck”) in the U.S. District Court in New Jersey alleging that Merck is using Halozyme’s patented MDASE™ subcutaneous drug delivery technology to develop Subcutaneous (“SC”) Keytruda. We are seeking damages and injunctive relief to stop Merck’s infringement of Halozyme’s MDASE™ intellectual property. Patent infringement litigation can be costly, take a long period of time to resolve and involves uncertainties beyond our control. We can offer no assurance as to developments related to the patent infringement litigation, the outcome of the litigation or any remedies that could be awarded in connection with the litigation.

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• The rising cost of healthcare pricing has led to cost containment pressures from third-party payers as well as changes in federal coverage and reimbursement policies and practices that could cause us and our partners to sell our products at lower prices, and impact access to our and our partners’ products, resulting in less revenue to us.

  Could happen

  The federal administration and/or agencies, such as the Centers for Medicare & Medicaid Services (“CMS”), have announced a number of demonstration projects, recommendations and proposals to implement various elements described in the drug pricing blueprint. CMS, the federal agency responsible for administering Medicare and overseeing state Medicaid programs and Health Insurance Marketplaces, has substantial power to implement policy changes or demonstration projects that can quickly and significantly affect how drugs, including our partners’ products, are covered and reimbursed. In May 2025, an Executive Order was issued calling on pharmaceutical manufacturers to voluntarily reduce the prices of medicines in the U.S. The Executive Order directs the Secretary of the Department of Health and Human Services (“HHS”) to communicate Most Favored Nations (“MFN”) price targets to pharmaceutical manufacturers to bring prices in line with comparably developed nations. The Executive Order further provides that if such actions do not lower the costs of pharmaceuticals, the Secretary of the HHS shall pursue other actions, including proposing a rulemaking that imposes MFN pricing in the U.S.

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