Axcelis Technologies Director Thomas St Dennis Sells 900 Shares at $155.37

This SEC Form 4 filing reports that Axcelis Technologies Inc. director St Dennis Thomas sold 900 shares of common stock on May 22, 2026, at a price of $155.37 per share. Following the transaction, the director holds 17,695 shares, of which 1,440 are restricted stock units subject to forfeiture under the company's 2012 Equity Incentive Plan. The transaction was filed on May 26, 2026, and signed by attorney-in-fact Eileen J. Evans. This represents a routine director stock sale transaction, with the director maintaining a significant equity position in the company post-transaction.