Insider Transactions Reported by 23 Insiders of AXCELIS TECHNOLOGIES INC

Symbol
ACLS on Nasdaq
Location
Beverly, MA

Insiders trading volume in the past year

AXCELIS TECHNOLOGIES INC executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Mary G. Puma EXECUTIVE CHAIRPERSON, Director $26,787,767 09 May 2024
Russell Low PRESIDENT AND CEO, Director $11,335,746 02 Mar 2026
Arthur L. George Jr. Director $8,280,508 17 May 2021
Richard J. Faubert Director $4,724,313 12 Aug 2022
William J. Bintz EVP, Product Development $4,379,807 23 Nov 2022
James Gordon Coogan Evp And Cfo $3,215,927 02 Mar 2026
Greg Redinbo Evp Marketing And Applications $2,765,192 02 Mar 2026
Kevin J. Brewer EVP & Chief Financial Officer $2,753,379 06 Dec 2023
Kurtzweil John T. Director $2,170,646 -$104,166 -4.6% 20 May 2025
Douglas A. Lawson Evp, Corporate Mktg & Strategy $2,150,204 20 Jun 2024
Eileen J. Evans EVP, General Counsel and Sec'y $2,106,725 16 Dec 2025
Christopher Tatnall EVP Global Customer Operations $2,007,184 02 Mar 2026
Lynnette C. Fallon Executive Vp, Hr/Legal $1,966,163 03 Jan 2025
Gerald M. Blumenstock EVP, Research, Dev. & Eng. $1,518,613 -$271,422 -15% 02 Mar 2026
Robert John Mahoney EVP Global Operations $1,266,925 02 Mar 2026
Dipti Vachani Director $1,024,482 15 May 2024
Thomas St Dennis Director $807,142 15 May 2025
Jeanne Quirk Director $552,790 15 May 2025
Jorge Titinger Director $518,160 -$252,100 -33% 20 Feb 2026
Tzu Yin Chiu Director $489,461 15 May 2025
Joseph P. Keithley Director $443,559 14 Dec 2023
Necip Sayiner Director $341,488 15 May 2025
Gregory B. Graves Director $341,488 15 May 2025

Recent Insider Transactions by Companies or Individuals for AXCELIS TECHNOLOGIES INC

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Robert John Mahoney ACLS Common Stock Tax liability -3.77% -573 14,633 02 Mar 2026 Direct
Gerald M. Blumenstock ACLS Common Stock Tax liability -6.01% -1,121 17,540 02 Mar 2026 Direct
Christopher Tatnall ACLS Common Stock Tax liability -4.61% -1,121 23,183 02 Mar 2026 Direct
Greg Redinbo ACLS Common Stock Tax liability -2.21% -723 31,938 02 Mar 2026 Direct
James Gordon Coogan ACLS Common Stock Tax liability -4.62% -1,800 37,144 02 Mar 2026 Direct
Russell Low ACLS Common Stock Tax liability -3.84% -5,227 130,928 02 Mar 2026 Direct
Jorge Titinger ACLS Common Stock Sale -13.4% $80,000 $80.00 -1,000 6,477 20 Feb 2026 Direct
Robert John Mahoney ACLS Common Stock Award 12.9% 1,734 15,206 15 Jan 2026 Direct
Jorge Titinger ACLS Common Stock Sale -21.1% $172,100 $86.05 -2,000 7,477 17 Dec 2025 Direct
Eileen J. Evans ACLS Common Stock Tax liability -5.34% -1,378 24,406 16 Dec 2025 Direct
Gerald M. Blumenstock ACLS Common Stock Sale -14% $271,422 $89.46 -3,034 18,661 11 Dec 2025 Direct
James Gordon Coogan ACLS Common Stock Tax liability -1.8% -713 38,944 16 Oct 2025 Direct
Christopher Tatnall ACLS Common Stock Tax liability -0.56% -137 24,304 15 Sep 2025 Direct
Greg Redinbo ACLS Common Stock Tax liability -0.63% -208 32,661 15 Sep 2025 Direct
Gerald M. Blumenstock ACLS Common Stock Tax liability -2.28% -506 21,695 16 Jun 2025 Direct
Greg Redinbo ACLS Common Stock Tax liability -2.18% -734 32,869 16 Jun 2025 Direct
Kurtzweil John T. ACLS Common Stock Sale -4.58% $104,166 $61.93 -1,682 35,050 20 May 2025 Direct
Russell Low ACLS Common Stock Tax liability -0.69% -947 136,155 17 May 2025 Direct
Greg Redinbo ACLS Common Stock Tax liability -0.56% -190 33,603 16 May 2025 Direct
Russell Low ACLS Common Stock Tax liability -0.52% -712 137,142 16 May 2025 Direct
Christopher Tatnall ACLS Common Stock Tax liability -2.06% -515 24,441 15 May 2025 Direct
Christopher Tatnall ACLS Common Stock Award 97.1% 12,296 24,956 15 May 2025 Direct
Greg Redinbo ACLS Common Stock Tax liability -1.13% -386 33,793 15 May 2025 Direct
Greg Redinbo ACLS Common Stock Award 56.2% 12,296 34,179 15 May 2025 Direct
James Gordon Coogan ACLS Common Stock Tax liability -1.43% -574 39,657 15 May 2025 Direct
James Gordon Coogan ACLS Common Stock Award 157.2% 24,590 40,231 15 May 2025 Direct
Russell Low ACLS Common Stock Tax liability -2.25% -3,175 137,854 15 May 2025 Direct
Russell Low ACLS Common Stock Award 77.3% 61,476 141,029 15 May 2025 Direct
Gerald M. Blumenstock ACLS Common Stock Tax liability -1.53% -345 22,201 15 May 2025 Direct
Gerald M. Blumenstock ACLS Common Stock Award 120% 12,296 22,546 15 May 2025 Direct
Eileen J. Evans ACLS Common Stock Award 125.4% 14,344 25,784 15 May 2025 Direct
Tzu Yin Chiu ACLS Common Stock Award 52.6% 3,586 10,403 15 May 2025 Direct
Necip Sayiner ACLS Common Stock Award 97.7% 3,586 7,258 15 May 2025 Direct
Gregory B. Graves ACLS Common Stock Award 97.7% 3,586 7,258 15 May 2025 Direct
Jeanne Quirk ACLS Common Stock Award 43.9% 3,586 11,749 15 May 2025 Direct
Thomas St Dennis ACLS Common Stock Award 26.4% 3,586 17,155 15 May 2025 Direct
Jorge Titinger ACLS Common Stock Award 60.9% 3,586 9,477 15 May 2025 Direct
Kurtzweil John T. ACLS Common Stock Award 10.8% 3,586 36,732 15 May 2025 Direct
Christopher Tatnall ACLS Common Stock Tax liability -6.69% -907 12,660 21 Apr 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.