secwatch / observer
TENB Tenable Holdings, Inc.
CIK 0001660280 47 ready 8-Ks latest April 29, 2026, 7:59 PM ET RSS · JSON
Activity: QUIET 0 filings / 30d vs 1 baseline
Ready 8-Ks 47
Latest filing May 21, 2026, 4:29 PM ET
Top materiality 0.85
Event mix earnings ×21 · leadership ×10 · other_material ×8
Sentiment 25 pos · 1 neg · 21 neu
Latest earnings ▼ miss 2026-Q1
Executive change recent →

Recent 8-K filings for TENB

Executive changes

Appointed

Stephen A. Vintz

Class I Director
TENB · Tenable Holdings, Inc.
Effective
2025-05-14
Filed
May 14, 2025, 7:59 PM ET
appointed Stephen A. Vintz and Mark Thurmond to serve as directors of the Company, each effective May 14, 2025.
Appointed

Mark Thurmond

Class I Director
TENB · Tenable Holdings, Inc.
Effective
2025-05-14
Filed
May 14, 2025, 7:59 PM ET
appointed Stephen A. Vintz and Mark Thurmond to serve as directors of the Company, each effective May 14, 2025.
Appointed

Stephen A. Vintz

co-Chief Executive Officer
TENB · Tenable Holdings, Inc.
Effective
2025-04-16
Filed
April 16, 2025, 7:59 PM ET
On April 16, 2025, the Company announced that the Board unanimously appointed Mr. Vintz and Mr. Thurmond as co-Chief Executive Officers on a permanent basis.
Appointed

Mark Thurmond

co-Chief Executive Officer
TENB · Tenable Holdings, Inc.
Effective
2025-04-16
Filed
April 16, 2025, 7:59 PM ET
On April 16, 2025, the Company announced that the Board unanimously appointed Mr. Vintz and Mr. Thurmond as co-Chief Executive Officers on a permanent basis.
Appointed

J. Barron Anschutz

principal accounting officer
TENB · Tenable Holdings, Inc.
Effective
2025-02-19
Filed
February 20, 2025, 6:59 PM ET
On February 19, 2025, the Board of Directors of Tenable Holdings, Inc. (the “Company”) appointed J. Barron Anschutz as principal accounting officer.
Appointed

Arthur W. Coviello, Jr.

Chairman of the Board
TENB · Tenable Holdings, Inc.
Effective
2025-01-04
Filed
January 6, 2025, 6:59 PM ET
the Board appointed Arthur W. Coviello, Jr., the Board’s lead independent director, to serve as Chairman of the Board
Appointed (interim)

Stephen A. Vintz

Co-Chief Executive Officer
TENB · Tenable Holdings, Inc.
Effective
2024-12-05
Filed
January 6, 2025, 6:59 PM ET
the Board of Directors appointed Stephen A. Vintz, the Company’s Chief Financial Officer, and Mark Thurmond, the Company’s Chief Operating Officer, to serve as Co-Chief Executive Officers
Departed

Amit Yoran

Chief Executive Officer
TENB · Tenable Holdings, Inc.
Effective
2025-01-03
Successor
Stephen A. Vintz, Mark Thurmond, Arthur W. Coviello, Jr.
Filed
January 6, 2025, 6:59 PM ET
On January 4, 2025, the Company announced with deep sadness that Mr. Yoran had passed away on January 3, 2025.
Appointed (interim)

Mark Thurmond

Co-Chief Executive Officer
TENB · Tenable Holdings, Inc.
Effective
2024-12-05
Filed
January 6, 2025, 6:59 PM ET
the Board of Directors appointed Stephen A. Vintz, the Company’s Chief Financial Officer, and Mark Thurmond, the Company’s Chief Operating Officer, to serve as Co-Chief Executive Officers
Appointed

Margaret Keane

director
TENB · Tenable Holdings, Inc.
Effective
2023-06-13
Filed
June 14, 2023, 7:59 PM ET
appointed Margaret Keane to serve as a director of the Company effective June 13, 2023
Appointed

George Alexander Tosheff

Director
TENB · Tenable Holdings, Inc.
Effective
2022-09-28
Filed
September 28, 2022, 7:59 PM ET
Effective September 28, 2022, the Board of Directors (the “ Board ”) of Tenable Holdings, Inc. (the “ Company ”) appointed George Alexander Tosheff to serve as a director of the Company.
Appointed (interim)

David Bartholomew

acting General Counsel
TENB · Tenable Holdings, Inc.
Effective
2022-10-14
Filed
September 9, 2022, 7:59 PM ET
David Bartholomew, Deputy General Counsel and Assistant Corporate Secretary, will serve as the Company’s acting General Counsel effective as of Mr. Riddick’s retirement.

Earnings & guidance

2026-Q1 EPS reported $0.01 vs consensus $0.42 ▼ miss (-97.6%) filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.70 · Most common event earnings

25 positive 1 negative 21 neutral

source · TENB on sec.gov