Welcome to our dedicated page for AXCELIS TECHNOLOGIES SEC filings (Ticker: ACLS), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
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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.
Axcelis Technologies director Thomas St. Dennis reported an open-market sale of 900 shares of common stock at $155.37 per share on May 22, 2026.
After this transaction he held 17,695 shares, including 1,440 shares issuable upon vesting of restricted stock units that remain subject to forfeiture.
AXCELIS TECHNOLOGIES INC executive Eileen Evans reported an open-market sale of 926 shares of Common Stock. The transaction occurred on May 22, 2026 at a price of $155.5053 per share. After the sale, she directly held 31,295 shares.
According to a footnote, 29,823 of the shares held after this sale are issuable upon vesting of restricted stock units granted under the 2012 Equity Incentive Plan and remain subject to forfeiture. This indicates most of her reported position consists of unvested equity awards rather than fully vested, unrestricted shares.
Axcelis Technologies executive vice president Gerald M. Blumenstock sold 1,161 shares of common stock in an open-market transaction at $152.70 per share on May 21, 2026. After this sale, a total of 20,493 shares are reported as issuable upon vesting of restricted stock units granted under the 2012 Equity Incentive Plan and remain subject to forfeiture.
ACLS filed a Form 144 reporting a proposed sale of 900 shares of Common Stock associated with restricted stock vesting under a registered plan. The transaction date shown is 05/15/2026 and the Form 144 entry is dated 05/22/2026. The filing lists the seller as the Issuer and identifies the market as NASDAQ.
ACLS filed a Form 144 notice reporting a proposed sale of 926 common shares related to restricted stock vesting under a registered plan. The filing shows the vesting date as 05/15/2026 and the Form 144 entry date as 05/22/2026.
Axcelis Technologies executive Christopher Tatnall reported an open-market sale of company stock. On May 20, 2026, the EVP Global Customer Operations sold 1,166 shares of Axcelis common stock at $149.75 per share.
After this transaction, he directly held 27,627 shares. According to the footnote, 20,871 of these shares are issuable upon vesting of restricted stock units granted under the 2012 Equity Incentive Plan and remain subject to forfeiture.
ACLS filed a Form 144 reporting a disposition of Common Stock. Gerald Blumenstock reported a sale of 1,015 shares on 05/14/2026. The filing also lists $164,749.73 alongside that transaction. The securities include restricted stock vesting under a registered plan dated 05/15/2026.