Eileen J. Evans - 16 Dec 2025 Form 4 Insider Report for AXCELIS TECHNOLOGIES INC (ACLS)

Reporting owner
Signature
/s/ Eileen J. Evans
Issuer context
Transaction snapshot
SEC evidence
Form type
4
Filing time
18 Dec 2025, 17:05:05 UTC
Previous filing
15 May 2025
Next filing
19 May 2026
SEC filing
View on sec.gov

Key filing fact

Eileen J. Evans filed Form 4 for AXCELIS TECHNOLOGIES INC (ACLS) on 18 Dec 2025.

Key facts

  • This page summarizes Eileen J. Evans's Form 4 filing for AXCELIS TECHNOLOGIES INC (ACLS).
  • 1 reported transaction and 0 derivative rows are listed below.
  • Filing timestamp: 18 Dec 2025, 17:05.

Change

  • Previous filing in this sequence was filed on 15 May 2025.
  • Current net transaction value: -$118,949.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

See Original Filing

Reporting Owners (1)

CIK 0001715912 Primary reporting owner

Evans Eileen

Relationship
EVP, General Counsel and Sec'y
Address
108 CHERRY HILL DRIVE, BEVERLY
Signature
/s/ Eileen J. Evans
Signature date
18 Dec 2025

Reported transactions

ACLS transaction

Common Stock

Tax liability

Transaction value
$118,949
Shares
-1,378
Change %
-5.3%
Price
$86.32
Shares after
24,406
Date
16 Dec 2025
Ownership
Direct
Footnotes
F1, F2, F3
* indicates a reported price that failed the local validity check.

Explanation of Responses:

Id Content
F1 This forfeiture of shares for tax withholding purposes relates to the vesting on December 16, 2025 of 2,850 service vesting restricted stock units granted to the executive in December 2024. The shares issued to the executive on the vesting were reduced by a number of shares having a value equal to the executive's tax withholding obligation with respect to the vested restricted stock units.
F2 Represents the closing price of the common stock on the date of the tax withholding.
F3 Of the shares held after this vesting event on December 16, 2025, 22,934 were issuable on vesting of restricted stock units granted to the reporting person under the 2012 Equity Incentive Plan and are subject to forfeiture.
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