Christopher Tatnall - 01 Sep 2023 Form 3 Insider Report for AXCELIS TECHNOLOGIES INC (ACLS)

Role: EVP Global Customer Operations
Signature: Lynnette C. Fallon, as attorney in fact for Christopher Tatnall, Ph.D.
Issuer symbol: ACLS
Transactions as of: 01 Sep 2023
Transactions value $: $0
Form type: 3
Filing time: 01 Sep 2023, 09:11:02 UTC
Next filing: 15 Sep 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	ACLS	Common Stock						7.2K	01 Sep 2023	Direct	F1

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

Explanation of Responses:

Id	Content
F1	Of the shares held as of September 1, 2023, 7,025 were issuable on vesting of restricted stock units granted to the executive under the 2012 Equity Incentive Plan and are subject to forfeiture.