Eileen Evans - 15 May 2025 Form 4 Insider Report for AXCELIS TECHNOLOGIES INC (ACLS)

Signature
/s/ Eileen J. Evans
Issuer symbol
ACLS
Transactions as of
15 May 2025
Transactions value $
$0
Form type
4
Filing time
15 May 2025, 17:00:33 UTC
Previous filing
16 Dec 2024
Next filing
18 Dec 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Evans Eileen EVP, General Counsel and Sec'y 108 CHERRY HILL DRIVE, BEVERLY /s/ Eileen J. Evans 15 May 2025 0001715912

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ACLS Common Stock Award $0 +7.17K +62.69% $0.00 18.6K 15 May 2025 Direct F1, F2
transaction ACLS Common Stock Award $0 +7.17K +38.53% $0.00 25.8K 15 May 2025 Direct F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 These shares are issuable on vesting of restricted stock units granted under the Company's 2012 Equity Incentive Plan on May 15, 2025. Assuming continuation of employment, these restricted stock units will vest as to 25% of the shares granted on each of May 15, 2026, May 15, 2027, May 15, 2028, and May 15, 2029.
F2 Of the shares held following this grant on May 15, 2025, 18,612 were issuable on vesting of restricted stock units granted to the executive under the 2012 Equity Incentive Plan and are subject to forfeiture.
F3 These shares are issuable on vesting of restricted stock units granted under the Company's 2012 Equity Incentive Plan on May 15, 2025. In this grant, the executive may earn shares of common stock, ranging from zero to 150% of the granted units. The shares are earned based on the achievement of 2025 performance goals. Assuming continuation of employment, 50% of the earned shares will vest on February 28, 2027, and 50% of the earned shares will vest on February 28, 2028. Unearned restricted stock units will forfeit on February 28, 2026.
F4 Of the shares held after this grant on May 15, 2025, 25,784 shares were issuable on vesting of restricted stock units granted to the executive under the 2012 Equity Incentive Plan and are subject to forfeiture.