Fortrea Holdings Inc.

This proxy statement is furnished in connection with the solicitation by the Board of Directors of Fortrea Holdings Inc. of proxies to be voted at our Annual Meeting of Stockholders to be held on Tuesday, June 9, 2026 (the “Annual Meeting”). Holders of record of shares of our Common Stock, $0.001 par value (“Common Stock”), as of the close of business on April 15, 2026 (the “Record Date”), will be entitled to notice of and to vote at the Annual Meeting and any continuation, postponement, or adjournment of the Annual Meeting. As of the Record Date, there were 94,584,730 shares of Common Stock outstanding and entitled to vote at the Annual Meeting. Each share of Common Stock is entitled to one vote on any matter presented to stockholders at the Annual Meeting.

In this proxy statement, “Fortrea,” “Company,” “we,” “us,” and “our” refer to Fortrea Holdings Inc. and, where applicable, our subsidiaries and predecessor entities. “Spin” refers to thepro-rata distribution of Fortrea shares by Laboratory Corporation of America Holdings Inc. (“Labcorp”) that was effective on June 30, 2023, in accordance with the Separation and Distribution Agreement between Fortrea and Labcorp entered into on June 29, 2023, whereby Labcorp agreed tospin-off Fortrea as a publicly-traded company.

This proxy statement contains certain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), that are based on current expectations, forecasts, assumptions and other information available to Fortrea as of the date hereof. Forward-looking statements involve inherent risks and uncertainties, include statements regarding Fortrea’s expectations, beliefs, intentions, or strategies regarding the future, including with respect to business, financial, operational, compensation, and environmental, social and governance matters, and can be identified by forward-looking words such as “anticipate,” “believe,” “could,” “estimate,” “expect,” “should,” “seeks,” “approximately,” “estimate,” “goal,” “intend,” “may,” “plan,” “should,” “will,” and “would” or similar words. Fortrea’s actual results, performance or events may differ materially from these forward-looking statements made or implied due to a number of risks and uncertainties relating to Fortrea’s business, including if we do not generate a large number of net new business awards, or if net new business awards are delayed, terminated, reduced in scope, or fail to go to contract, if we are unable to contract with suitable investigators and recruit and enroll patients for clinical trials, our international operations could subject us to additional risks and expenses that could adversely impact our business or results of operations, and the risks and uncertainties discussed in Fortrea’s Annual Report on Form 10-K for fiscal year ended December 31, 2025 filed with the Securities and Exchange Commission (the “SEC”) on February 26, 2026 (“Annual Report on Form 10-K”) as well as Fortrea’s other filings with the SEC. Fortrea undertakes no obligation to revise or update any forward-looking statements made in this proxy statement, whether as a result of new information, future events or circumstances, or otherwise, except as required by law.

This proxy statement and the Company’s Annual Report to Stockholders for the year ended December 31, 2025 (the “2025 Annual Report”) will be released on or about April 27, 2026, to our stockholders on the Record Date.

IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE STOCKHOLDER MEETING TO BE HELD ON TUESDAY, JUNE 9, 2026

This Proxy Statement and our 2025 Annual Report are available atwww.proxyvote.com

Where Can You Find More Information?

See “Questions and Answers about the 2026 Annual Meeting of Stockholders” on page 5.

References to our website in this proxy statement, the 2025 Annual Report or the Annual Report on Form 10-K are for the convenience of readers, and information available at or through our website is not a part of, nor is it incorporated by reference in, these documents.

Stockholders may obtain directions for accessing the meeting online by visiting our website atwww.fortrea.com.

2 2026 Proxy Statement • FORTREA