CRA International EVP & General Counsel Jonathan Yellin Receives Restricted Stock Units

This Form 4 filing reports that Jonathan D. Yellin, EVP and General Counsel of CRA International, Inc., received multiple grants of restricted stock units (RSUs) on June 12, 2026. The RSUs, which include dividend equivalent rights, represent a contingent right to receive shares of CRAI common stock. The grants total approximately 17.5 RSUs across six different tranches with varying vesting schedules beginning in April and May 2027. Some RSUs vest in equal annual installments over two to four years, while others vest in single installments. The filing also shows Yellin holds 13,403 shares of common stock directly and has two outstanding stock option grants from 2017 and 2018. The RSUs were granted at $0 per share and will be settled in cash, shares, or a combination after vesting.