secwatch / observer
ACLS AXCELIS TECHNOLOGIES INC
CIK 0001113232 39 ready 8-Ks latest May 7, 2026, 7:59 PM ET RSS · JSON
Activity: QUIET 0 filings / 30d vs 1 baseline
Ready 8-Ks 39
Latest filing May 7, 2026, 7:59 PM ET
Top materiality 0.85
Event mix earnings ×21 · leadership ×8 · other_material ×4
Sentiment 18 pos · 9 neg · 12 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for ACLS

Executive changes

Departed

Mary G. Puma

Executive Chairperson
ACLS · AXCELIS TECHNOLOGIES INC
Effective
2024-05-09
Filed
May 9, 2024, 7:59 PM ET
Effective at the Annual Meeting, Mary G. Puma, who served as Executive Chairperson of the Company’s Board of Directors since May 11, 2023, resigned from that executive officer role concurrently with the end of her term on the Board of Directors.
Appointed

Necip Sayiner

Director
ACLS · AXCELIS TECHNOLOGIES INC
Effective
2024-02-28
Filed
February 29, 2024, 6:59 PM ET
the Board of Directors elected Gregory B. Graves and Necip Sayiner to fill the vacancies on the Board for a term ending at the 2024 Annual Meeting of Stockholders.
Appointed

Gregory B. Graves

Director
ACLS · AXCELIS TECHNOLOGIES INC
Effective
2024-02-28
Filed
February 29, 2024, 6:59 PM ET
the Board of Directors elected Gregory B. Graves and Necip Sayiner to fill the vacancies on the Board for a term ending at the 2024 Annual Meeting of Stockholders.
Departed

Kevin J. Brewer

Executive Vice President, Finance and Operations
ACLS · AXCELIS TECHNOLOGIES INC
Effective
2023-12-31
Successor
James Coogan
Filed
September 5, 2023, 7:59 PM ET
Mr. Brewer will continue to manage the Company’s manufacturing operations and will support the transition of the Company’s finance function to Mr. Coogan, until Mr. Brewer’s planned retirement at year-end 2023.
Role change

Kevin J. Brewer

Executive Vice President, Finance and Operations
ACLS · AXCELIS TECHNOLOGIES INC
Filed
September 5, 2023, 7:59 PM ET
Effective upon the commencement of employment of James Coogan as discussed in paragraph (c) below, Axcelis Technologies, Inc.’s (the “Company”) Executive Vice President and Chief Financial Officer, Kevin J. Brewer, will resign as Chief Financial Officer and change his title to Executive Vice President, Finance and Operations.
Appointed

James Coogan

Executive Vice President and Chief Financial Officer
ACLS · AXCELIS TECHNOLOGIES INC
Filed
September 5, 2023, 7:59 PM ET
On September 5, 2023, the Company announced that its Board of Directors appointed James Coogan, age 42, as the Company’s Executive Vice President and Chief Financial Officer, effective upon the commencement of Mr. Coogan’s full-time employment with the Company expected in October 2023 (the “Effective Date”).
Appointed

Russell J. Low

President and Chief Executive Officer
ACLS · AXCELIS TECHNOLOGIES INC
Effective
2023-05-11
Filed
May 12, 2023, 7:59 PM ET
On May 11, 2023, following the 2023 Annual Meeting of Stockholders (the “Annual Meeting”), the Board of Directors of Axcelis Technologies, Inc. (the “Company”) appointed Russell J. Low, Ph.D., age 52, as the Company’s Chief Executive Officer and President.
Role change

Mary G. Puma

Executive Chairperson
ACLS · AXCELIS TECHNOLOGIES INC
Effective
2023-05-11
Filed
May 12, 2023, 7:59 PM ET
Coincident with the commencement of Dr. Low’s promotion to Chief Executive Officer and President, Mary G. Puma, our former Chief Executive Officer and President, assumed the position of Executive Chairperson of the Board of Directors of the Company, a position she is expected to hold until the 2024 Annual Meeting of Stockholders.
Departed

Arthur L. George, Jr.

Director
ACLS · AXCELIS TECHNOLOGIES INC
Effective
2022-05-11
Filed
May 11, 2022, 7:59 PM ET
Effective May 11, 2022, Arthur L. George, Jr., a director of the Company, resigned from the Company’s Board of Directors for personal reasons, declining to serve a further term despite his re-election at the Company’s 2022 Annual Meeting.
Appointed

Dipti Vachani

Director
ACLS · AXCELIS TECHNOLOGIES INC
Effective
2022-02-23
Filed
February 24, 2022, 6:59 PM ET
the Board of Directors elected Jeanne Quirk and Dipti Vachani to fill the vacancies on the Board
Appointed

Jeanne Quirk

Director
ACLS · AXCELIS TECHNOLOGIES INC
Effective
2022-02-23
Filed
February 24, 2022, 6:59 PM ET
the Board of Directors elected Jeanne Quirk and Dipti Vachani to fill the vacancies on the Board

Earnings & guidance

2026-Q1 EPS reported $0.30 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.75 · Most common event earnings

18 positive 9 negative 12 neutral

source · ACLS on sec.gov