Lynnette C. Fallon - Feb 28, 2023 Form 4 Insider Report for AXCELIS TECHNOLOGIES INC (ACLS)

Signature
Lynnette C. Fallon
Stock symbol
ACLS
Transactions as of
Feb 28, 2023
Transactions value $
$0
Form type
4
Date filed
3/1/2023, 03:13 PM
Previous filing
Feb 13, 2023
Next filing
May 16, 2023

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ACLS Common Stock Tax liability $0 -1.77K -3.83% $0.00 44.4K Feb 28, 2023 Direct F1, F2, F3
transaction ACLS Common Stock Tax liability $0 -3.82K -8.16% $0.00 43K Feb 28, 2023 Direct F2, F4, F5
* 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, 2023 of the remainder of performance based restricted stock units granted to the executive in May 2021. These shares were determined to be earned by the executive pursuant to a resolution of the Axcelis Technologies, Inc. Compensation Committee on February 15, 2022, and half of the earned shares vested on February 28, 2022. 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 February 28, 2023.
F3 Of the shares beneficially owned by the executive on February 28, 2023 after the vesting of the 2021 performance based restricted stock units, 27,496 shares were issuable on vesting of restricted stock units which are subject to forfeiture. This number includes 3,823 shares issuable under the executive's 2022 performance based restricted stock units, which also vested on February 28, 2023.
F4 This forfeiture of shares for tax withholding purposes relates to the vesting on February 28, 2023 of the first half of shares earned under performance based restricted stock units 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. The second half of the shares earned under this restricted stock unit award will vest on February 28, 2024, assuming continuation of the executive's services. 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.
F5 Of the shares beneficially owned by the executive on February 28, 2023 after the vesting of shares issued on both the 2021 performance based restricted stock units and the 2022 performance based restricted stock units, 23,673 shares were issuable on vesting of restricted stock units which are subject to forfeiture.