InsiderTrades

Form 4 for ACLS AXCELIS TECHNOLOGIES INC

Accepted 2025-10-17 00:00:00 ET · period of report 2025-10-16 · accession 0001797868-25-000004 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
2025-10-17 2025-10-16 ACLS COOGAN JAMES GORDON EVP AND CFO F - Tax $83.62 -713 38.9K -2% -$59.6K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-10-16 F D 713 $83.62 38,944 D — — (F2) Represents the closing price of the common stock on the date of the tax withholding. (F1) This forfeiture of shares for tax withholding purposes relates to the vesting on October 16, 2025 of service vesting restricted stock units granted to the executive in October 2023. The shares issued to the executive on the vesting were reduced by a number of shares having a value equal to the executive's tax withholding obligation with respect to the vested restricted stock units. (F3) Of the shares held after this vesting event on October 16, 2025, 34,657 were issuable on vesting of restricted stock units granted to the reporting person under the 2012 Equity Incentive Plan and are subject to forfeiture.