secwatch / observer
ATEN A10 Networks, Inc.
CIK 0001580808 47 ready 8-Ks latest August 6, 2026, 9:28 PM ET RSS · JSON
Activity: ELEVATED 3 filings / 30d vs 1 baseline Risk accumulating: repeated leadership change (2)
Ready 8-Ks 47
Latest filing August 6, 2026, 9:28 PM ET
Top materiality 0.85
Event mix earnings ×23 · other_material ×9 · leadership ×7
Sentiment 18 pos · 4 neg · 25 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for ATEN

Executive changes

Departed

Sheen Khoury

Executive Vice President, Worldwide Sales and Marketing
ATEN · A10 Networks, Inc.
Effective
2026-04-27
Filed
May 7, 2026, 7:59 PM ET
Sheen Khoury was terminated as the Executive Vice President, Worldwide Sales and Marketing of A10 Networks, Inc. (the “Company”) on April 27, 2026, effective immediately.
Departed

Sheen Khoury

Executive Vice President, Worldwide Sales and Marketing
ATEN · A10 Networks, Inc.
Effective
2026-04-27
Filed
May 1, 2026, 7:59 PM ET
On April 27, 2026, Sheen Khoury was terminated as the Executive Vice President, Worldwide Sales and Marketing of A10 Networks, Inc., effective immediately.
Departed

Matthew Bruening

Executive Vice President, Worldwide Sales and Marketing
ATEN · A10 Networks, Inc.
Effective
2023-10-01
Successor
Karen Thomas
Filed
September 1, 2023, 7:59 PM ET
Matthew Bruening, Executive Vice President, Worldwide Sales and Marketing of A10 Networks, Inc. (the “Company”), notified the Company of his decision to retire, effective October 1, 2023.
Appointed

Karen Thomas

Executive Vice President, Worldwide Sales and Marketing
ATEN · A10 Networks, Inc.
Effective
2023-09-05
Filed
September 1, 2023, 7:59 PM ET
The Company has hired Karen Thomas to be the Company’s next Executive Vice President, Worldwide Sales and Marketing, effective September 5, 2023.
Departed

Robert Cochran

Executive Vice President, Legal and Corporate Collaboration, Chief Risk Compliance Officer and Secretary
ATEN · A10 Networks, Inc.
Effective
2022-06-30
Filed
May 20, 2022, 7:59 PM ET
On May 18, 2022, Robert Cochran notified A10 Networks, Inc., (the “Company”) that he would resign as the Executive Vice President, Legal and Corporate Collaboration, Chief Risk Compliance Officer and Secretary of the Company effective June 30, 2022.
Departed

Mary Dotz

Director
ATEN · A10 Networks, Inc.
Filed
May 2, 2022, 7:59 PM ET
On April 26, 2022, Mary Dotz notified the Board of Directors (the “Board”) of A10 Networks, Inc., a Delaware corporation (the “Company”), of her decision to decline to stand for re-election to the Board and all committees thereof at the 2022 annual meeting of the stockholders (the “Annual Meeting”).

Earnings & guidance

2026-Q1 EPS reported $0.17 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.60 · Most common event earnings

18 positive 4 negative 25 neutral

source · ATEN on sec.gov