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ANET · Current Report (Form 8-K) · Filed June 16, 2025

Arista Networks Inc — Current Report (Form 8-K)

Form
8-K
Filed
June 16, 2025
Period
Jun 13, 2025
Ticker
ANET
Accession
0001596532-25-000170
Boardroom Alpha · Filing insights

Arista appoints Todd Nightingale as President and COO, effective July 1, 2025, with $30M RSUs and $2M PSUs.

About Arista Networks Inc
Market cap
$220.8B
1Y TSR
+62.4%
3Y TSR
+56.2%
Board grade
B
Sector
Technology
CEO
Jayshree Ullal
Last annual meeting: May 29, 2026 · View full Arista Networks Inc profile →
anet-20250613

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
____________________________
FORM 8-K
____________________________

 
CURRENT REPORT
 
Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934
 
Date of Report (Date of earliest event reported): June 13, 2025
___________________________________________________
ARISTA NETWORKS, INC.
(Exact name of registrant as specified in its charter)
___________________________________________________
Delaware 001-36468 20-1751121
(State or other jurisdiction of
incorporation)
 (Commission File Number) (IRS Employer Identification
No.)

5453 Great America Parkway
Santa Clara, CA 95054
(Address of principal executive offices) (Zip Code)
 
(408) 547-5500
(Registrant’s telephone number, including area code)

Not Applicable
(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Common Stock, $0.0001 par valueANETNew York Stock Exchange
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. 



ITEM 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
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. Mr. Nightingale will join the Company on or about July 1, 2025.
Mr. Nightingale has served as the Chief Executive Officer and member of the Board of Directors of Fastly, Inc. from September 2022 to June 2025. Prior to Fastly, Inc., Mr. Nightingale served as the Executive Vice President and General Manager of Enterprise Networking and Cloud at Cisco Systems, Inc. from March 2020 to September 2022. Mr. Nightingale served as the Senior Vice President and General Manager of Cisco Meraki from June 2016 to March 2020. Prior to that, he held various roles as a Vice President at Cisco Meraki. Mr. Nightingale holds a Bachelor of Science in electrical engineering and computer science from Massachusetts Institute of Technology as well as a Masters in engineering from Massachusetts Institute of Technology.
The Company entered into an offer letter with Mr. Nightingale to memorialize his employment (the “Letter Agreement”). Pursuant to the terms of the Letter Agreement, Mr. Nightingale will commence employment on or about July 1, 2025. In this role, Mr. Nightingale will receive an annual base salary of $350,000. He is eligible to receive a prorated bonus for fiscal year 2025 and will be eligible to participate in the Company’s bonus program and receive an annual discretionary bonus starting in fiscal year 2026. Subject to necessary corporate approvals, Mr. Nightingale will receive a grant of restricted stock units covering shares of the Company common stock having a value of $30,000,000 (“RSUs”) under the Company’s 2014 Amended, Restated and Extended Equity Incentive Plan (the “Plan”). Such RSUs will vest as to 25% on the Company’s first vesting date after the one-year anniversary of the vesting commencement date, and then 1/16 quarterly thereafter over a total of approximately four years, subject to Mr. Nightingale’s continued service to the Company through each vesting date. Additionally, subject to necessary corporate approvals, Mr. Nightingale will receive a grant of performance-based restricted stock units covering shares of the Company’s common stock having a value of $2,000,000 (“PSUs”) under the Plan. The PSUs will cover three six-month performance periods.
In addition, in connection with the appointment as President and Chief Operating Officer, the Company will enter into a severance agreement with Mr. Nightingale. The severance agreement provides that if Mr. Nightingale’s employment is involuntarily terminated other than for “cause” (as defined in the severance agreement) or if Mr. Nightingale resigns for “good reason” (as defined in the severance agreement) then, subject to his execution of a release of claims, Mr. Nightingale will receive continuing payments of his base salary for 12 months and accelerated vesting of time-based equity awards that would have vested had Mr. Nightingale remained employed with the Company for 12 months following his termination of employment date. If the Company terminates Mr. Nightingale’s employment without “cause” during the period beginning on, and for 12 months following a change in control, then the equity acceleration benefit would be 50% of the then-unvested equity awards, if greater than the acceleration benefit described in the previous sentence. Mr. Nightingale will also enter into the Company’s standard form of indemnification agreement, pursuant to which the Company agrees to indemnify its officers to the fullest extent permitted by applicable law.
The Letter Agreement and severance agreement between Mr. Nightingale and the Company are attached as Exhibits 10.1 and 10.2, respectively, to this Current Report and are incorporated herein by reference.
There are no family relationships between Mr. Nightingale and any director or executive officer of the Company, and the Company has not entered into any transactions with Mr. Nightingale that are reportable pursuant to Item 404(a) of Regulation S-K. Except as described above, there are no arrangements or understandings between Mr. Nightingale and any other persons pursuant to which he will be appointed as an executive officer of the Company.

ITEM 9.01 Exhibits
Exhibit No.
Description
10.1
10.2
104
Cover Page Interactive Data File (embedded within the Inline XBRL Document)



SIGNATURES
 
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


ARISTA NETWORKS, INC.
 
June 16, 2025/s/ CHANTELLE BREITHAUPT
 
Chantelle Breithaupt
 Chief Financial Officer
 (Senior Vice President)







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Reference

Frequently asked questions

When did Arista Networks Inc file this 8-K?
Arista Networks Inc (ANET) filed this Current Report (Form 8-K) with the SEC on June 16, 2025. The accession number assigned by EDGAR is 0001596532-25-000170.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Arista appoints Todd Nightingale as President and COO, effective July 1, 2025, with $30M RSUs and $2M PSUs. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Arista Networks Inc's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K Arista Networks Inc has filed under CIK 1596532, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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