Personalis, Inc.

Item 8.01 Other Events. On August 20, 2026, Personalis, Inc. received a new task order under its contract with the U.S. Department of Veterans Affairs (VA) for the VA's Million Veteran Program (VA MVP). The new task order is effective on September 30, 2026 and has a value of up to $18.3 million, subject to the receipt of samples from the VA MVP and performance of services by Personalis. The cumulative value of task orders received by Personalis under its contracts with the VA MVP has increased to approximately $243.3 million. Forward-Looking Statements This Current Report on Form 8-K contains “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. For example, forward-looking statements include statements regarding: the timing and quantity of samples received from the VA MVP; the extent to which Personalis realizes revenue, if any, from the VA MVP contract and task orders thereunder; and the enrollment of veterans in the VA MVP study, and ongoing demand of the VA MVP for Personalis' services. These forward-looking statements are subject to risks and uncertainties, including those discussed in Personalis' filings with the Securities and Exchange Commission, including in the “Risk Factors” and “Management's Discussion and Analysis of Financial Condition and Results of Operations” sections of the Company's most recently filed periodic reports on Form 10-Q and subsequent filings and in the documents incorporated by reference therein. Except as otherwise required by law, Personalis disclaims any intention or obligation to update or revise any forward-looking statements, which speak only as of the date hereof, whether as a result of new information, future events or circumstances or otherwise.