Risk Factors.
−Removed: There have been no material changes from the risk factors previously disclosed in our most recent Annual Report on Form 10-K as filed with the SEC on March 20, 2024.
+Added: Other than the risks included below that have been amended and restated, there have been no material changes from the risk factors previously disclosed in our most recent Annual Report on Form 10-K as filed with the SEC on March 20, 2025.
+Added: Inadequate funding for the FDA, the SEC and other government agencies, including from government shutdowns, or other disruptions to these agencies’ operations, could hinder their ability to hire and retain key leadership and other personnel, prevent new products and services from being developed or commercialized in a timely manner or otherwise prevent those agencies from performing normal business functions on which the operation of our business may rely, which could negatively impact our business.
+Added: Currently, federal agencies in the U.S.
+Added: are operating under a continuing resolution that is set to expire on September 30, 2025.
+Added: Without appropriation of additional funding to federal agencies, our business operations related to our product development activities for the U.S.
+Added: market could be impacted.
+Added: The ability of the FDA to review and approve new products can be affected by a variety of factors, including government budget and funding levels, ability to hire and retain key personnel and accept the payment of user fees, and statutory, regulatory and policy changes.
+Added: Average review times at the agency have fluctuated in recent years as a result.
+Added: Disruptions at the FDA and other agencies may also slow the time necessary for new product candidates to be reviewed and/or approved by necessary government agencies, which would adversely affect our business.
+Added: In addition, government funding of the SEC and other government agencies on which our operations may rely, including those that fund research and development activities, is subject to the political process, which is inherently fluid and unpredictable.
+Added: The Trump Administration has issued executive orders seeking to greatly reduce the size of the federal workforce, including through layoffs and severance packages offered to employees of federal agencies within the executive branch and independent agencies, including the FDA.
+Added: Any such reduction in personnel may result in longer review times by the FDA and other agencies.
+Added: Disruptions and personnel turnover, as a result of leadership changes, staff reductions or otherwise, at the FDA and other agencies may also slow the time necessary for new drugs and biologics or modifications to approved drugs and biologics to be reviewed and/or approved by necessary government agencies, which would adversely affect our business.
+Added: Changes and cuts in FDA staffing also could result in delays in the FDA’s responsiveness or in its ability to review IND submissions or applications, issue regulations or guidance, or implement or enforce regulatory requirements in a timely fashion or at all.
+Added: Over the last several years the U.S.
+Added: government has shut down several times and certain regulatory authorities, such as the FDA and the SEC, have had to furlough critical FDA, SEC and other government employees and stop critical activities.
+Added: If a prolonged government shutdown occurs, or if staffing changes prevent the FDA or other regulatory authorities from conducting their regular inspections, reviews, or other regulatory activities, including formal and informal interactions with product developers, it could significantly impact the ability of the FDA to timely review and process our regulatory submissions, which could have a material adverse effect on our business.
+Added: Further, future government shutdowns could impact our ability to access the public markets and obtain necessary capital in order to properly capitalize and continue our operations.
+Added: Congress, the Trump administration, or any new administration may make substantial changes to fiscal, tax, and other federal policies that may adversely affect our business.
+Added: In 2017, the U.S.
+Added: Congress and the Trump administration made substantial changes to U.S.
+Added: policies, which included comprehensive corporate and individual tax reform.
+Added: In addition, the Trump administration called for significant changes to U.S.
+Added: trade, healthcare, immigration and government regulatory policy.
+Added: With the transition to the Biden administration in early 2021, changes to U.S.
+Added: policy occurred and since the start of the Trump Administration in 2025, U.S.
+Added: policy changes have been implemented at a rapid pace and additional changes are likely.
+Added: Changes to U.S.
+Added: policy implemented by the U.S.
+Added: Congress, the Trump administration or any new administration have impacted and may in the future impact, among other things, the U.S.
+Added: and global economy, international trade relations, unemployment, immigration, healthcare, taxation, the
+Added: regulatory environment, inflation and other areas.
+Added: For example, the U.S.
+Added: has recently imposed blanket 10% tariffs on virtually all imports to the U.S.
+Added: and significantly higher tariffs applicable to imports from many countries, which have resulted in other countries imposing additional tariffs on imports from the U.S., and is likely to continue to result in more retaliatory tariffs.
+Added: On April 9, 2025, the U.S.
+Added: announced a temporary pause on its tariffs applicable to many countries, while increasing the tariffs applicable to imports from China.
+Added: administration has threatened to continue to broadly impose tariffs, which could lead to corresponding punitive actions by the countries with which the U.S.
+Added: Although we cannot predict the impact, if any, of these changes to our business, they could adversely affect our business.
+Added: Until we know what policy changes are made, whether those policy changes are challenged and subsequently upheld by the court system and how those changes impact our business and the business of our competitors over the long term, we will not know if, overall, we will benefit from them or be negatively affected by them.
SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS
5 unchanged sentences
• the success, cost and timing of our product development activities and clinical trials;
−Removed: • the timing, scope or likelihood of regulatory filings and approvals, including timing of Investigational New Drug Application, or IND and Biological License Application filings for our current and future product candidates, and final U.S.
−Removed: Food and Drug Administration, or FDA, European Medicines Agency, or EMA, United Kingdom Medicines and Healthcare products Regulatory Agency, or MHRA, or other foreign regulatory authority approvals relating to our current and future product candidates;
+Added: • the timing, scope or likelihood of regulatory filings and approvals, including timing of Investigational New Drug Application (“IND”), New Drug Application (“NDA”), and Biologics License Application (“BLA”) filings for our current and future product candidates, and final U.S.
+Added: Food and Drug Administration (“FDA”), European Medicines Agency (“EMA”), United Kingdom Medicines and Healthcare products Regulatory Agency (“MHRA”), or other foreign regulatory authority approvals relating to our current and future product candidates;
+Added: • our future expectations, plans and prospects, including the estimates of costs that we expect to incur in connection with the restructuring and the timing thereof;
• our ability to develop and advance our current and future product candidates and programs into, and successfully complete, clinical trials;
13 unchanged sentences
• our ability to anticipate and overcome challenges posed to the conduct of our business in the event of a global pandemic or similar event;
−Removed: • the impact of global economic and political developments on our business, including rising or sustained high inflation and capital market disruptions, the conflict in Ukraine, the conflict in Israel and Gaza, disruptions in the banking industry, economic sanctions and economic slowdowns or recessions that may result from such developments;
−Removed: • our expectations regarding the period during which we qualify as an emerging growth company under the JOBS Act.
+Added: • the impact of global economic and political developments on our business, including inflationary pressures, volatile interest rates, variable tariff policies or intensified disruptions in the global financial markets, the change in the U.S.
+Added: presidential administration, the conflict in Ukraine, the conflict in Israel and Gaza, disruptions in the banking industry, economic sanctions and economic slowdowns or recessions that may result from such developments;
+Added: • our expectations regarding the period during which we qualify as an emerging growth company under the Jumpstart Our Business Startups Act of 2012, as amended (“JOBS Act”).
If our forward-looking statements prove to be inaccurate, the inaccuracy may be material.
6 unchanged sentences
Unless the context otherwise requires, reference in this Quarterly Report to the terms “Barinthus Bio,” “the Company,” “we,” “us,” “our,” and similar designations refer to Barinthus Biotherapeutics plc and, where appropriate, our wholly-owned subsidiaries.
−Removed: As used herein, all references before November 7, 2023 to (i) Barinthus Biotherapeutics plc shall refer to Vaccitech plc, (ii) Barinthus Biotherapeutics (UK) Limited shall refer to Vaccitech (UK) Limited, (iii) Barinthus Biotherapeutics North America, Inc., or Barinthus Bio NA shall refer to Vaccitech North America, Inc., (iv) Barinthus Biotherapeutics Switzerland GmbH shall refer to Vaccitech Switzerland GmbH (v) Barinthus Biotherapeutics S.R.L.
−Removed: shall refer to Vaccitech Italia S.R.L.
−Removed: and (vi) Barinthus Biotherapeutics Australia Pty Limited shall refer to Vaccitech Australia Pty Limited, after which the name change described herein shall have taken effect.
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.