Arista Networks, Inc. — Director's Dealing 2021

Apr 5, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Arista Networks, Inc. (ANET)
CIK: 0001596532
Period of Report: 2021-04-01

Reporting Person: Ullal Jayshree (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-04-01	Common Stock	M	333	$22.49	Acquired	859	Direct
2021-04-01	Common Stock	M	1667	$56.24	Acquired	2526	Direct
2021-04-01	Common Stock	M	166	$244.2	Acquired	2692	Direct
2021-04-01	Common Stock	M	209	$226.34	Acquired	2901	Direct
2021-04-01	Common Stock	S	1	$304.06	Disposed	2900	Direct
2021-04-01	Common Stock	S	648	$307.0235	Disposed	2252	Direct
2021-04-01	Common Stock	S	702	$307.8997	Disposed	1550	Direct
2021-04-01	Common Stock	S	341	$309.2223	Disposed	1209	Direct
2021-04-01	Common Stock	S	393	$310.3293	Disposed	816	Direct
2021-04-01	Common Stock	S	290	$311.1604	Disposed	526	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-04-01	Non-Qualified Stock Option (right to buy)	$22.49	M	333	Disposed	2024-01-12	Common Stock (333)	Direct
2021-04-01	Non-Qualified Stock Option (right to buy)	$56.24	M	1667	Disposed	2026-02-11	Common Stock (1667)	Direct
2021-04-01	Non-Qualified Stock Option (right to buy)	$226.34	M	209	Disposed	2029-02-07	Common Stock (209)	Direct
2021-04-01	Non-Qualified Stock Option (right to buy)	$244.2	M	166	Disposed	2028-04-12	Common Stock (166)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	564000	Indirect
Common Stock	564000	Indirect
Common Stock	5000	Indirect
Common Stock	5000	Indirect
Common Stock	2067998	Indirect

Footnotes

F1: The exercises and/or sales reported on this Form 4 were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 11, 2020.

F2: The balance shown reflects the correct balance of shares held following transfer from direct ownership to Trust.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $306.52 to $307.51, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $307.535 to $308.44, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $308.72 to $309.58, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $309.73 to $310.71, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $310.89 to $311.64, inclusive. The reporting person undertakes to provide Arista Networks, Inc., any security holder of Arista Networks, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8: These shares are held in a trust for the benefit of the children of the reporting person for which the reporting person serves as trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

F9: These shares are held in a trust for the benefit of a relative of the reporting person for which the reporting person serves as co-trustee. The reporting person shares voting and investment control over the shares but disclaims beneficial ownership of the shares.

F10: These shares are held by a family trust for which the reporting person is co-trustee. The balance shown reflects the correct balance of shares held following transfer from direct ownership to Trust.

F11: 1/5th of the 20,000 shares subject to the option vested and became exercisable on December 1, 2017 and 1/60th of the shares subject to the option shall vest monthly thereafter.

F12: 1/60th of the 100,000 shares subject to the option vested on January 1, 2017 and 1/60th of the shares subject to the option shall vest monthly thereafter.

F13: 1/48th of the 10,000 shares subject to the option vested on December 1, 2020 and 1/48th of the shares subject to the option shall continue to vest each month thereafter.

F14: 1/48th of the 8,000 shares subject to the option vested on June 1, 2020 and 1/48th of the shares subject to the option shall vest monthly thereafter.