AXCELIS TECHNOLOGIES INC — Director's Dealing 2024

Jan 2, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: AXCELIS TECHNOLOGIES INC (ACLS)
CIK: 0001113232
Period of Report: 2023-12-06

Reporting Person: BREWER KEVIN J (EVP & Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-12-06	Common Stock	F	5426	$0.00	Disposed	19597	Direct

Footnotes

F1: This forfeiture of shares for tax withholding purposes relates to the vesting on December 6, 2023 of certain restricted stock units granted to the executive in accordance with the Company's Executive Equity Retirement Program. As agreed with the executive, the shares issued to the executive on the vested shares were reduced by a number of shares having a value equal to the executive's tax withholding obligation with respect to the vested shares.

F2: These shares were withheld by the Company to cover the tax withholding obligations of the executive on the vesting of restricted stock units on December 6, 2023.

F3: Of the shares beneficially owned by the executive on December 6, 2023 after the vesting of certain restricted stock units under the Company's Executive Equity Retirement Program, 8,281 shares were issuable on vesting of restricted stock units which are subject to forfeiture.