GRAVES GREGORY B 4

What Happened Gregory B. Graves, a director of Axcelis Technologies, was granted 1,440 restricted stock units (RSUs) on May 15, 2026. The grant was recorded at $0.00 per share (total recorded value $0) because these are compensation RSUs, not an open-market purchase. Under the grant terms, the RSUs are issuable into common shares upon vesting.

Key Details

• Transaction date: May 15, 2026; Form 4 filed May 18, 2026 (filed within the two-business-day reporting window).
• Grant: 1,440 RSUs issued at $0.00 per share (award/grant code A).
• Vesting: These RSUs will vest on May 15, 2027, assuming completion of the director’s current board term (footnote F1).
• Shares outstanding note: The filing states that, as of May 15, 2026, 2,110 shares were already issuable on vesting of previously granted RSUs to the director and remain subject to forfeiture (footnote F2).
• No sale or purchase occurred; this is a compensation award to a director.

Context RSUs represent a promise to deliver shares if and when vesting conditions are met; they do not provide immediate cash proceeds or indicate a market sale. Director RSU grants are common as board compensation; they become meaningful only if the director remains in service and the units vest. This filing is informational and timely under Form 4 rules.