William J. Bintz - 15 May 2022 Form 4 Insider Report for AXCELIS TECHNOLOGIES INC (ACLS)

Role: EVP, Product Development
Signature: Lynnette C. Fallon, as attorney in fact for William J. Bintz
Issuer symbol: ACLS
Transactions as of: 15 May 2022
Net transactions value: -$263,089
Form type: 4
Filing time: 18 May 2022, 17:02:05 UTC
Previous filing: 02 Mar 2022
Next filing: 12 Aug 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ACLS	Common Stock	Tax liability	$82,428	-1,462	-2.5%	$56.38	58,195	15 May 2022	Direct	F1, F2, F3
transaction	ACLS	Common Stock	Tax liability	$78,876	-1,399	-2.4%	$56.38	56,796	15 May 2022	Direct	F1, F2, F4
transaction	ACLS	Common Stock	Tax liability	$50,855	-902	-1.6%	$56.38	55,894	16 May 2022	Direct	F1, F2, F5
transaction	ACLS	Common Stock	Award	$0	+5,008	+9%	$0.000000	60,902	16 May 2022	Direct	F6, F7
transaction	ACLS	Common Stock	Tax liability	$50,931	-841	-1.4%	$60.56	60,061	17 May 2022	Direct	F1, F2, F8

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	These shares were withheld by the Company to cover the tax withholding obligations of the executive on the vesting of 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 first tax withholding forfeiture (and related vesting) on May 15, 2022, 28,050 shares were issuable on vesting of restricted stock units granted to the executive under the 2012 Equity Incentive Plan and are subject to forfeiture.
F4	Of the shares held after this second tax withholding forfeiture (and related vesting) on May 15, 2022, 24,896 shares were issuable on vesting of restricted stock units granted to the executive under the 2012 Equity Incentive Plan and are subject to forfeiture.
F5	Of the shares held after this tax withholding forfeiture (and related vesting) on May 16, 2022, 22,863 shares were issuable on vesting of restricted stock units granted to the executive under the 2012 Equity Incentive Plan and are subject to forfeiture.
F6	In this grant under the Company's 2012 Equity Incentive Plan, the executive may earn shares of common stock, ranging from zero to 150% of the granted units. The shares are earned based on the achievement of 2022 performance goals. Assuming continuation of employment,100% of the earned shares will vest on February 28, 2023. Unearned restricted stock units will forfeit on February 28, 2023.
F7	Of the shares held after this grant on May 16, 2022, 27,871 were issuable on vesting of restricted stock units granted to the executive under the 2012 Equity Incentive Plan and are subject to forfeiture.
F8	Of the shares held after this tax withholding forfeiture (and related vesting) on May 17, 2022, 25,976 shares were issuable on vesting of restricted stock units granted to the executive under the 2012 Equity Incentive Plan and are subject to forfeiture.