Arista Networks, Inc. — Director's Dealing 2021

Jan 6, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

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

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-01-04	Common Stock	S	1584	$285.8368	Disposed	578603	Indirect
2021-01-04	Common Stock	S	2777	$287.114	Disposed	575826	Indirect
2021-01-04	Common Stock	S	3892	$288.3827	Disposed	571934	Indirect
2021-01-04	Common Stock	S	4306	$289.6254	Disposed	567628	Indirect
2021-01-04	Common Stock	S	1894	$290.1159	Disposed	565734	Indirect
2021-01-04	Common Stock	S	299	$291.16	Disposed	565435	Indirect
2021-01-04	Common Stock	S	5340	$281.2181	Disposed	2147224	Indirect
2021-01-04	Common Stock	S	17524	$281.9331	Disposed	2129700	Indirect
2021-01-04	Common Stock	S	30498	$282.9962	Disposed	2099202	Indirect
2021-01-04	Common Stock	S	21049	$283.6842	Disposed	2078153	Indirect
2021-01-04	Common Stock	S	1426	$285.0206	Disposed	2076727	Indirect
2021-01-04	Common Stock	S	2594	$285.8368	Disposed	2074133	Indirect
2021-01-04	Common Stock	S	4548	$287.114	Disposed	2069585	Indirect
2021-01-04	Common Stock	S	6376	$288.3827	Disposed	2063209	Indirect
2021-01-04	Common Stock	S	7052	$289.6254	Disposed	2056157	Indirect
2021-01-04	Common Stock	S	3102	$290.1159	Disposed	2053055	Indirect
2021-01-04	Common Stock	S	491	$291.16	Disposed	2052564	Indirect

Derivative Transactions

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

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	5000	Indirect
Common Stock	5000	Indirect

Footnotes

F1: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person for the benefit of the reporting person's children on June 11, 2020.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $285.50 to $286.20, 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.

F3: 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.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $286.775 to $287.59, 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 $287.92 to $288.875, 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 $288.95 to $289.93, 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 $289.95 to $290.24, 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: 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.

F9: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $280.43 to $281.425, 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.

F10: These shares are held by a family trust for which the reporting person is co-trustee.

F11: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $281.43 to $282.42, 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.

F12: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $282.455 to $283.45, 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.

F13: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $283.455 to $284.40, 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.

F14: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $284.50 to $285.49, 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.

F15: 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.

F16: 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.

F17: 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.

F18: 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.