Form 4 Filing for CRA International, Inc.

This filing details insider transactions for Paul A. Maleh, President and CEO of CRA International, Inc. On April 29, 2026, Mr. Maleh acquired 1,447.4025 shares of Common Stock through the vesting of Restricted Stock Units (RSUs) with a transaction value of $0. Following this acquisition, his post-transaction share count for Common Stock was 118,699.4025. Additionally, on the same date, Mr. Maleh disposed of 31.4025 shares of Common Stock at a price of $154.55 per share, and another 685 shares of Common Stock at the same price. These disposals resulted in a post-transaction share count of 117,983. The filing also reports holdings and transactions related to various RSUs, which represent contingent rights to receive shares of the company's common stock and include dividend equivalent rights. Some RSUs vest in installments starting in 2026 and 2027, with specific vesting schedules detailed in the footnotes.