Arista Networks, Inc. — Director's Dealing 2021

Dec 15, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Arista Networks, Inc. (ANET)
CIK: 0001596532
Period of Report: 2021-12-10

Reporting Person: Duda Kenneth (CTO and SVP Software Eng.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-12-10	Common Stock	M	40000	$1.94	Acquired	60117	Direct
2021-12-10	Common Stock	S	17300	$129.4761	Disposed	42817	Direct
2021-12-10	Common Stock	S	17867	$130.2429	Disposed	24950	Direct
2021-12-10	Common Stock	S	4833	$130.9707	Disposed	20117	Direct
2021-12-10	Common Stock	S	7200	$129.5043	Disposed	45360	Indirect
2021-12-10	Common Stock	S	7504	$130.2715	Disposed	37856	Indirect
2021-12-10	Common Stock	S	1632	$130.9573	Disposed	36224	Indirect
2021-12-10	Common Stock	S	1000	$129.6	Disposed	227000	Indirect
2021-12-10	Common Stock	S	600	$130.2424	Disposed	226400	Indirect
2021-12-10	Common Stock	S	200	$130.9401	Disposed	226200	Indirect
2021-12-10	Common Stock	G	60000	$0.0	Acquired	286200	Indirect
2021-12-10	Common Stock	G	39500	$0.0	Disposed	113264	Indirect
2021-12-10	Common Stock	G	60000	$0.0	Disposed	53264	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-12-10	Non-Qualified Stock Option (right to buy)	$1.94	M	40000	Disposed	2023-03-10	Common Stock (40000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	564072	Indirect
Common Stock	564072	Indirect

Footnotes

F1: The exercise and/or sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 12, 2021.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.83 to $129.825, 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: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.83 to $130.82, 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 $130.83 to $131.185, 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 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 December 14, 2020.

F6: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $128.88 to $129.86, 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: These shares are held in a trust for the benefit of a Child 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.

F8: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.88 to $130.875, 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.

F9: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $130.88 to $131.095, 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: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into on December 14, 2020 by the reporting person's 501(c) Foundation, for which the reporting person and his spouse serve as 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 $128.92 to $129.90, 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: These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

F13: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $129.93 to $130.69, 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 $130.93 to $130.95, 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 by a family trust for which the reporting person is co-trustee.

F16: Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.

F17: Reporting person is the trustee of the Kenneth Duda Annuity Trusts.

F18: 1/4th of the shares subject to the option vested and became exercisable on December 1, 2016 and 1/48th of the shares subject to the option vested each month thereafter.