Mary Puma - Feb 28, 2024 Form 4 Insider Report for AXCELIS TECHNOLOGIES INC (ACLS)

Role
EXECUTIVE CHAIRPERSON, Director
Signature
/s/ Lynnette C. Fallon, Attorney-in-Fact
Stock symbol
ACLS
Transactions as of
Feb 28, 2024
Transactions value $
$0
Form type
4
Date filed
3/1/2024, 04:30 PM
Previous filing
Nov 2, 2023
Next filing
Mar 25, 2024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ACLS Common Stock Tax liability -6.29K -2.4% 256K Feb 28, 2024 Direct F1, F2, F3
transaction ACLS Common Stock Tax liability -6.83K -2.67% 249K Feb 28, 2024 Direct F2, F4, F5
holding ACLS Common Stock 5K Feb 28, 2024 Held by Spouse
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This forfeiture of shares for tax withholding purposes relates to the vesting on February 28, 2024 of the remainder of performance based restricted stock units ("PRSUs") granted to the executive in May 2022. These shares were determined to be earned by the executive pursuant to a resolution of the Axcelis Technologies, Inc. Compensation Committee on February 16, 2023, and half of the earned shares vested on February 28, 2023. As agreed with the executive, 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 PRSUs.
F2 These shares were withheld by the Company to cover the tax withholding obligations of the executive on the vesting of PRSUs on February 28, 2024.
F3 Of the shares held as of February 28, 2024 after the vesting of the 2022 PRSUs and before the vesting of the 2023 PRSUs, 57,447 were issuable on vesting of restricted stock units granted to the reporting person under the 2012 Equity Incentive Plan and are subject to forfeiture.
F4 This forfeiture of shares for tax withholding purposes relates to the vesting on February 28, 2024 of PRSUs granted to the executive in May 2023. Of the granted units, 135% were determined to be earned by the executive pursuant to a resolution of the Axcelis Technologies, Inc. Compensation Committee on February 8, 2024, and all of the earned shares vested on February 28, 2024. As agreed with the executive, 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 PRSUs.
F5 Of the shares held as of February 28, 2024 after the vesting of both the 2022 PRSUs and 2023 PRSUs, 41,223 were issuable on vesting of restricted stock units granted to the reporting person under the 2012 Equity Incentive Plan and are subject to forfeiture.