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Axcelis Technologies SVP Interim CFO David Ryzhik reported two tax-withholding dispositions of common stock on July 15, 2026. In total, 221 shares were forfeited at $145.01 per share to satisfy taxes due on the vesting of restricted stock units granted in July 2024. He continues to hold Axcelis shares and unvested restricted stock units that remain subject to forfeiture.
Axcelis Technologies Inc. common stock is reported as being beneficially owned in a minority stake by an institutional holder. Sandi King reported beneficial ownership of 928,660 shares of Axcelis Technologies Inc. common stock, representing 3.02% of the outstanding class.
The reporting person has sole power to vote 852,169 shares and sole power to dispose of 928,660 shares, with no shared voting or dispositive power. The position is characterized as ownership of 5 percent or less of the class of common stock.
Axcelis Technologies SVP and Interim CFO David Ryzhik reported a routine tax-withholding share disposition tied to equity compensation. On June 16, 2026, 76 shares of common stock were withheld at a price of $176.845 per share to cover taxes on vesting restricted stock units granted in June 2025.
After this vesting event, Ryzhik directly held 9,955 shares, including 8,439 shares issuable upon future vesting of restricted stock units under the 2012 Equity Incentive Plan that remain subject to forfeiture. The transaction reflects tax withholding rather than an open-market sale.
AXCELIS TECHNOLOGIES INC executive Gerald M. Blumenstock had 506 common shares withheld for taxes tied to vesting restricted stock units. On June 15, 2026, shares from RSUs granted in June 2023 vested, and part of the issued shares was forfeited to satisfy his tax withholding obligation.
After this tax-withholding disposition, he directly holds 19,987 common shares. Footnotes state that 19,447 additional shares are issuable upon future vesting of restricted stock units under the 2012 Equity Incentive Plan and remain subject to forfeiture.
Axcelis Technologies director Necip Sayiner sold common stock in an open-market transaction. On June 3, 2026, he sold 1,586 shares at a weighted-average price of $157.4422 per share, with individual trade prices ranging from $157.41 to $157.71. Following this sale, he directly holds 7,112 shares of Axcelis common stock. Of these holdings, 2,110 shares are issuable upon vesting of restricted stock units granted under the 2012 Equity Incentive Plan and remain subject to forfeiture.
Axcelis Technologies EVP Global Operations Robert John Mahoney sold shares of company stock in an open-market trade. On June 2, 2026, he sold 1,155 shares of common stock at an average price of $155.24 per share.
After this sale, he directly holds 14,410 shares, including 12,578 shares issuable upon vesting of restricted stock units granted under the 2012 Equity Incentive Plan, which remain subject to forfeiture. The transaction modestly reduces his direct common stock position while leaving a substantial equity stake tied to both owned shares and unvested awards.
ACLS submitted a Form 144 reporting 1,586 shares of Common Stock for disposition. The filing notes the shares related to restricted stock vesting under a registered plan with the transaction dated 05/15/2026 and the Form 144 dated 06/03/2026.
The notice lists Morgan Stanley Smith Barney LLC as the broker and identifies trading on NASDAQ. The filing describes an issuer-related disposition method tied to plan vesting.
Morgan Stanley Smith Barney LLC Executive Financial Services filed a notice under Form 144 reporting restricted common shares vesting and a recent small sale. The filer lists 824 shares vesting on 05/15/2026 and 331 shares vesting on 05/16/2026. The excerpt also shows 2,258 shares sold on 05/12/2026 for $363,538.
Axcelis Technologies executive Todd Sutton, VP Corporate Controller, reported an open-market sale of 2,000 shares of common stock on May 27, 2026 at $159.99 per share. Following this transaction, he directly holds 6,360 shares, including 4,582 shares that are issuable upon vesting of restricted stock units granted under the 2012 Equity Incentive Plan and subject to forfeiture. This filing shows a relatively small insider sale alongside a meaningful portion of unvested equity awards that continue to tie his compensation to the company’s future performance.
ACLS Rule 144 notice lists restricted stock vesting events and a recent sale. The filing shows multiple restricted-stock vesting entries dated 05/16/2024, 05/17/2024, 05/16/2025, 05/15/2025, and 05/17/2025 with per-event share counts shown. It also discloses a sale of 2,574 shares on 05/14/2026 producing $421,748.87 in proceeds.