Christopher Tatnall Axcelis Technologies Inc (ACLS) insider trading activity

Christopher Tatnall is EVP Global Customer Operations of AXCELIS TECHNOLOGIES INC. Currently has a direct ownership of 12,660 shares of ACLS, which is worth approximately $630,974. The most recent transaction as insider was on Apr 21, 2025, when has been sold 907 shares (Common Stock) at a price of $45.23 per share, resulting in proceeds of $41,023. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 12.7K

4.73% 3M change

62.81% 12M change

Total Value Held $630,974

Christopher Tatnall Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Apr 21 2025	SELL Payment of exercise price or tax liability	$41,023 $45.23 p/Share	907 Reduced 6.69%	12,660 Common Stock
Feb 28 2025	SELL Payment of exercise price or tax liability	$62,789 $54.79 p/Share	1,146 Reduced 7.79%	13,567 Common Stock
Sep 16 2024	SELL Payment of exercise price or tax liability	$8,205 $98.86 p/Share	83 Reduced 0.62%	13,288 Common Stock
May 15 2024	SELL Payment of exercise price or tax liability	$11,632 $112.94 p/Share	103 Reduced 0.76%	13,371 Common Stock
May 15 2024	BUY Grant, award, or other acquisition	-	5,698 Added 29.72%	13,474 Common Stock
Apr 18 2024	SELL Payment of exercise price or tax liability	-	551 Reduced 6.62%	7,776 Common Stock
Sep 15 2023	BUY Grant, award, or other acquisition	-	1,125 Added 11.9%	8,327 Common Stock

Christopher Tatnall

EVP Global Customer Operations

Beverly, MA

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