secwatch / observer
ATEC Alphatec Holdings, Inc.
CIK 0001350653 50 ready 8-Ks latest August 4, 2026, 4:19 PM ET RSS · JSON
Activity: NORMAL 1 filings / 30d vs 1 baseline
Ready 8-Ks 50
Latest filing August 4, 2026, 4:19 PM ET
Top materiality 0.85
Event mix earnings ×27 · other_material ×9 · leadership ×5
Sentiment 30 pos · 1 neg · 19 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for ATEC

Executive changes

Appointed

Keith Valentine

director
ATEC · Alphatec Holdings, Inc.
Effective
2024-07-29
Filed
July 31, 2024, 7:59 PM ET
Effective July 29, 2024, the Company's Board of Directors (“Board”) increased the number of directors to serve on the Board to ten members and appointed Keith Valentine to serve as a director of the Company
Departed

Elizabeth Altman

Director
ATEC · Alphatec Holdings, Inc.
Effective
2024-06-12
Filed
June 17, 2024, 7:59 PM ET
Elizabeth Altman, Marie Meynadier, David Mowry and James Tullis were not nominated for re-election at the Annual Meeting and, as such, each of their respective terms as directors concluded following the Annual Meeting.
Departed

James Tullis

Director
ATEC · Alphatec Holdings, Inc.
Effective
2024-06-12
Filed
June 17, 2024, 7:59 PM ET
Elizabeth Altman, Marie Meynadier, David Mowry and James Tullis were not nominated for re-election at the Annual Meeting and, as such, each of their respective terms as directors concluded following the Annual Meeting.
Departed

Marie Meynadier

Director
ATEC · Alphatec Holdings, Inc.
Effective
2024-06-12
Filed
June 17, 2024, 7:59 PM ET
Elizabeth Altman, Marie Meynadier, David Mowry and James Tullis were not nominated for re-election at the Annual Meeting and, as such, each of their respective terms as directors concluded following the Annual Meeting.
Departed

David Mowry

Director
ATEC · Alphatec Holdings, Inc.
Effective
2024-06-12
Filed
June 17, 2024, 7:59 PM ET
Elizabeth Altman, Marie Meynadier, David Mowry and James Tullis were not nominated for re-election at the Annual Meeting and, as such, each of their respective terms as directors concluded following the Annual Meeting.
Role change

Scott Lish

Chief Operating Officer
ATEC · Alphatec Holdings, Inc.
Effective
2024-01-01
Filed
January 3, 2024, 6:59 PM ET
On January 1, 2024, Alphatec Holdings, Inc. (the “Company”) promoted Scott Lish to Chief Operating Officer.
Appointed

Dave Demski

director
ATEC · Alphatec Holdings, Inc.
Effective
2023-10-17
Filed
October 17, 2023, 7:59 PM ET
On October 16, 2023, the Board of Directors of Alphatec Holdings Inc. (the "Board") appointed Dave Demski to serve as a director of Alphatec Holdings, Inc. (the "Company") for a term commencing on October 17, 2023 and expiring at the Annual Meeting of Stockholders of the Company in 2024 and until his successor is duly elected and qualifies, unless he sooner dies, retires or resigns.
Role change

Craig Hunsaker

General Counsel and Corporate Secretary
ATEC · Alphatec Holdings, Inc.
Effective
2023-07-19
Successor
Tyson Marshall
Filed
July 21, 2023, 7:59 PM ET
Mr. Hunsaker stepped down from his role as the Company’s General Counsel and Corporate Secretary, effective as of July 19, 2023.
Appointed

Tyson Marshall

General Counsel and Corporate Secretary
ATEC · Alphatec Holdings, Inc.
Effective
2023-07-19
Filed
July 21, 2023, 7:59 PM ET
On July 19, 2023, the Company appointed Tyson Marshall as the Company’s General Counsel and Corporate Secretary, effective immediately.
Appointed

Beth Altman

Director; Chairman of Audit Committee
ATEC · Alphatec Holdings, Inc.
Effective
2021-08-12
Filed
July 26, 2021, 7:59 PM ET
On July 22, 2021, the Board appointed Beth Altman to fill the vacancy created by Mr. Williams’s resignation to serve as a director of the Company and as Chair of the Company’s Audit Committee for a term commencing on August 12, 2021.
Departed

Donald A. Williams

Director; Chairman of Audit Committee
ATEC · Alphatec Holdings, Inc.
Effective
2021-08-11
Successor
Beth Altman
Filed
July 26, 2021, 7:59 PM ET
On July 20, 2021, the Company received written notice from Donald A. Williams of his resignation from the Board of Directors of the Company (the “Board”), effective August 11, 2021.

Earnings & guidance

2026-Q1 EPS reported -$0.22 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.75 · Most common event earnings

30 positive 1 negative 19 neutral

source · ATEC on sec.gov