Insider Transaction Report for Holmes Chad M

This filing details insider transactions by Holmes Chad M, EVP and Chief Corp Dev Officer of CRA INTERNATIONAL, INC. (CRAI), on April 11, 2026. The transactions primarily involve Restricted Stock Units (RSUs) and Common Stock. Notably, there were acquisitions and dispositions of RSUs, with some RSU grants vesting on various dates in 2026 and 2027, including dividend units. Additionally, Holmes Chad M disposed of Common Stock in several transactions, some at a price of $163.80 per share. The filing also includes information on non-qualified stock options granted in 2017 and 2018, with exercise prices of $44.87 and $47.45, respectively, and expiration dates in 2027 and 2028. The report is signed by Delia J. Makhlouta, by power of attorney.