secwatch / observer
ANET Arista Networks, Inc.
CIK 0001596532 39 ready 8-Ks latest May 5, 2026, 7:59 PM ET RSS · JSON
Activity: NORMAL 0 filings / 30d vs 0 baseline
Ready 8-Ks 39
Latest filing June 2, 2026, 4:06 PM ET
Top materiality 0.85
Event mix earnings ×20 · leadership ×9 · other_material ×7
Sentiment 21 pos · 1 neg · 17 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for ANET

Executive changes

Appointed

Todd Nightingale

President and Chief Operating Officer
ANET · Arista Networks, Inc.
Effective
2025-07-01
Filed
June 16, 2025, 7:59 PM ET
On June 13, 2025 , Arista Networks, Inc. (the “Company”) appointed Todd Nightingale, age 45, to serve as the Company’s President and Chief Operating Officer.
Departed

Marc Taxay

General Counsel
ANET · Arista Networks, Inc.
Effective
2025-05-07
Filed
May 6, 2025, 7:59 PM ET
On May 1, 2025, Marc Taxay, the Company’s General Counsel, notified the company of his intention to resign from the Company effective May 7, 2025.
Appointed

Greg Lavender

independent director
ANET · Arista Networks, Inc.
Effective
2025-03-14
Filed
March 17, 2025, 7:59 PM ET
On March 14, 2025, the Board of Directors (the “Board”) of Arista Networks, Inc. (“Arista”) increased the size of the Board to nine members and appointed Greg Lavender to serve as an independent member of Arista’s Board, effective immediately.
Departed

Anshul Sadana

Chief Operating Officer
ANET · Arista Networks, Inc.
Effective
2024-05-21
Filed
April 19, 2024, 7:59 PM ET
On April 18, 2024, Anshul Sadana, the Company’s Chief Operating Officer, notified the Company of his intention to resign from the Company effective May 21, 2024.
Appointed

Chantelle Breithaupt

Senior Vice President, Chief Financial Officer
ANET · Arista Networks, Inc.
Filed
December 1, 2023, 6:59 PM ET
On December 1, 20 23, Arista Networks, Inc. (the “Company”) announced the appointment of Chantelle Breithaupt to serve as the Company’s Senior Vice President, Chief Financial Officer.
Departed

Ita Brennan

Senior Vice President, Chief Financial Officer
ANET · Arista Networks, Inc.
Filed
July 31, 2023, 7:59 PM ET
On July 27, 2023, Ita Brennan, the Company’s Senior Vice President, Chief Financial Officer, notified the Company of her intention to retire in 2024, effective after the Company has hired her replacement to ensure a smooth and orderly transition of her responsibilities.
Appointed

Yvonne Wassenaar

Director
ANET · Arista Networks, Inc.
Effective
2022-07-21
Filed
July 25, 2022, 7:59 PM ET
On July 21, 2022, the Board of Directors (the “Board”) of Arista Networks, Inc. (“Arista”) increased the size of the Board to nine members and appointed Yvonne Wassenaar to serve as an independent member of Arista’s Board effective immediately.
Departed

Ann Mather

Director
ANET · Arista Networks, Inc.
Filed
March 29, 2022, 7:59 PM ET
On March 28, 2022, Ann Mather, a Class II director, notified Arista Networks, Inc. (the “Company”) that she will not stand for re-election as a director at the end of her current term and intends to resign from the board of directors of the Company (“Board”), effective as of the date of the Company’s 2022 Annual Meeting of Stockholders
Appointed

Lewis Chew

independent director
ANET · Arista Networks, Inc.
Effective
2021-07-19
Filed
July 20, 2021, 7:59 PM ET
On July 19, 2021, the Board of Directors (the “Board”) of Arista Networks, Inc. (“Arista”) increased the size of the Board to nine members and appointed Lewis Chew to serve as an independent member of Arista’s Board effective immediately.

Earnings & guidance

2026-Q1 EPS reported $0.80 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.70 · Most common event earnings

21 positive 1 negative 17 neutral

source · ANET on sec.gov