Form 4 for ACLS AXCELIS TECHNOLOGIES INC

Accepted 2023-05-18 00:00:00 ET · period of report 2023-05-16 · accession 0001209191-23-030594 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
M	2023-05-18	2023-05-16+	ACLS	Low Russell	Pres, CEO, Dir	F - Tax	$134.43	-1,558	69.7K	-2%	-$209.4K

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2023-05-16	F	D	653	$129.92	70,586	D	—	—	(F2) Represents the closing price of the common stock on the date of the tax withholding. (F1) These shares were withheld by the Company to cover the tax withholding obligations of the executive on the vesting of restricted stock units. (F3) Of the shares held after this tax withholding forfeiture (and related vesting) on May 16, 2023, 41,690 shares were issuable on vesting of restricted stock units granted to the executive under the 2012 Equity Incentive Plan and are subject to forfeiture.
2	Common	Common Stock	2023-05-17	F	D	905	$137.69	69,681	D	—	—	(F2) Represents the closing price of the common stock on the date of the tax withholding. (F1) These shares were withheld by the Company to cover the tax withholding obligations of the executive on the vesting of restricted stock units. (F4) Of the shares held after this tax withholding forfeiture (and related vesting) on May 17, 2023, 39,650 shares were issuable on vesting of restricted stock units granted to the executive under the 2012 Equity Incentive Plan and are subject to forfeiture.