Keithley Joseph P - 25 May 2023 Form 4/A - Amendment Insider Report for AXCELIS TECHNOLOGIES INC (ACLS)

Role: Director
Signature: Lynnette C. Fallon, as attorney in fact for Joseph P. Keithley
Issuer symbol: ACLS
Transactions as of: 25 May 2023
Transactions value $: -$152,210
Form type: 4/A - Amendment
Filing time: 06 Jun 2023, 16:27:53
Date Of Original Report: 25 May 2023
Previous filing: 19 May 2023
Next filing: 06 Jun 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ACLS	Common Stock	Sale	-$152K	-1K	-13.06%	$152.21	6.66K	25 May 2023	Direct	F1, F2

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

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $152.17 to $152.25, inclusive. The reporting person undertakes to provide to Axcelis Technologies, Inc., any security holder of Axcelis Technologies, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.
F2	Of the shares held as of May 25, 2023, 1,282 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

Content

The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $152.17 to $152.25, inclusive. The reporting person undertakes to provide to Axcelis Technologies, Inc., any security holder of Axcelis Technologies, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Of the shares held as of May 25, 2023, 1,282 were issuable on vesting of restricted stock units granted to the director under the 2012 Equity Incentive Plan and are subject to forfeiture.

Remarks:

This amendment corrects a typographical error in the number of shares beneficially owned following the sale on May 25, 2023.