Axcelis Technologies VP Corporate Controller Todd Sutton Forfeits Shares for Tax Withholding

This Form 4 filing reports that Todd Sutton, VP Corporate Controller of Axcelis Technologies Inc, forfeited 184 shares of common stock on May 18, 2026, for tax withholding purposes related to the vesting of restricted stock units. The shares were forfeited at a price of $146.24 per share, representing the closing price on the date of tax withholding. The forfeiture relates to service vesting restricted stock units granted in May 2022 that vested on May 16, 2026. Following this transaction, Sutton holds 8,360 shares, of which 4,582 are restricted stock units subject to forfeiture under the company's 2012 Equity Incentive Plan. The filing demonstrates standard executive compensation practices where shares are automatically sold or forfeited to cover tax obligations upon equity award vesting.