Welcome to our dedicated page for Axcelis Tech Ord 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.
Axcelis Technologies filings document the formal disclosures of a semiconductor equipment company focused on ion implantation systems and lifecycle support. Its Form 8-K reports cover operating results, material events, financial-condition updates, executive officer changes and annual-meeting voting results.
Proxy materials describe board elections, stockholder voting mechanics, independent auditor ratification, executive compensation and share ownership by directors, officers and significant holders. The filing record also includes disclosures related to material agreements, governance matters and capital-structure subjects tied to the company’s common stock and public-company reporting obligations.
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.
Axcelis Technologies director Gregory B. Graves reported selling 3,225 shares of common stock on May 19, 2026 in two open-market transactions. He sold 2,625 shares at a weighted-average price of $141.4051 per share and 600 shares at a weighted-average price of $142.5146 per share. The prices reflect multiple trades within narrow ranges around those averages. Following these sales, he continues to hold shares, including 2,110 shares issuable upon vesting of restricted stock units granted under the 2012 Equity Incentive Plan, which remain subject to forfeiture.
Axcelis Technologies director John T. Kurtzweil reported an open-market sale of 3,500 shares of common stock on May 19, 2026 at a weighted-average price of $138.7917 per share. After the sale, he directly holds 32,990 shares, including 1,440 shares issuable upon vesting of restricted stock units that remain subject to forfeiture.