St Dennis Thomas 4

What Happened

• Director St Dennis Thomas sold 900 shares of Axcelis Technologies (ACLS) in a reported sale on 2026-05-22. The shares were disposed at $155.37 per share, for total proceeds of $139,833. The filing describes the transaction as an open market or private sale (Form 4 code: S). Sales are often routine transactions and do not by themselves indicate management sentiment.

Key Details

• Transaction date: 2026-05-22; Filing date (Form 4): 2026-05-26
• Price and size: 900 shares at $155.37 each; total value $139,833
• Shares held after transaction: the filing notes that of the shares held after the sale, 1,440 were issuable on vesting of restricted stock units (RSUs) granted under the 2012 Equity Incentive Plan and remain subject to forfeiture.
• Footnote: RSUs subject to forfeiture means those shares are not fully owned until vesting conditions are met.
• No indication in the filing of a 10b5-1 plan, tax-withholding sale, or other special code; the form lists a standard sale.

Context

• Sales by directors can be for routine personal or liquidity reasons and are not necessarily a negative signal about company prospects. This was a straightforward sale of existing shares; no options were exercised and no awards were newly received in this transaction.