Thomas St - May 15, 2025 Form 4 Insider Report for AXCELIS TECHNOLOGIES INC (ACLS)

Role
Director
Signature
/s/ Eileen J. Evans, Attorney-in-Fact
Stock symbol
ACLS
Transactions as of
May 15, 2025
Transactions value $
$0
Form type
4
Date filed
5/15/2025, 05:00 PM
Previous filing
May 9, 2025
Next filing
May 16, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
St Dennis Thomas Director C/O AXCELIS TECHNOLOGIES, INC., 108 CHERRY HILL DRIVE, BEVERLY /s/ Eileen J. Evans, Attorney-in-Fact 2025-05-15 0001339595

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ACLS Common Stock Award $0 +3.59K +26.43% $0.00 17.2K May 15, 2025 Direct F1, F2
* 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 completion of the director's current term of service on the Board of Directors, these restricted stock units will vest on May 15, 2026.
F2 Of the shares held as of May 15, 2025, 3,586 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.