Arista Networks, Inc. — Director's Dealing 2021

Aug 13, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Arista Networks, Inc. (ANET)
CIK: 0001596532
Period of Report: 2021-08-10

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-08-10	Common Stock	M	10000	$7.76	Acquired	12216	Direct
2021-08-10	Common Stock	S	1500	$370.4137	Disposed	10716	Direct
2021-08-10	Common Stock	S	4799	$371.5973	Disposed	5917	Direct
2021-08-10	Common Stock	S	2300	$372.3937	Disposed	3617	Direct
2021-08-10	Common Stock	S	901	$373.3787	Disposed	2716	Direct
2021-08-10	Common Stock	S	500	$374.626	Disposed	2216	Direct
2021-08-10	Common Stock	S	800	$370.3201	Disposed	28674	Indirect
2021-08-10	Common Stock	S	1483	$371.5385	Disposed	27191	Indirect
2021-08-10	Common Stock	S	1200	$372.5825	Disposed	25991	Indirect
2021-08-10	Common Stock	S	500	$374.048	Disposed	25491	Indirect
2021-08-10	Common Stock	S	101	$374.7141	Disposed	25390	Indirect
2021-08-10	Common Stock	S	38	$371.4818	Disposed	43112	Indirect
2021-08-10	Common Stock	S	327	$372.4576	Disposed	42785	Indirect
2021-08-10	Common Stock	S	64	$373.3714	Disposed	42721	Indirect
2021-08-10	Common Stock	S	21	$374.6957	Disposed	42700	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-08-10	Non-Qualified Stock Option (right to buy)	$7.76	M	10000	Disposed	2023-03-10	Common Stock (10000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	96018	Indirect
Common Stock	96018	Indirect
Common Stock	148237	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 $370.01 to $370.98, 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 $371.015 to $372.00, 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 $372.07 to $373.06, 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 $373.16 to $373.66, 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 $374.37 to $375.06, 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 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.

F8: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $369.88 to $370.75, 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: 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.

F10: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $371.11 to $372.08, 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.

F11: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $372.24 to $373.21, 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 $373.48 to $374.44, 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.

F13: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $374.49 to $374.96, 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 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.

F15: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $371.01 to $372.005, 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.

F16: These shares are held by a 501(c) Foundation for which the reporting person and his spouse serve as co-trustee.

F17: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $372.01 to $372.96, 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.

F18: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $373.10 to $373.99, 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.

F19: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $374.37 to $375.06, 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.

F20: Reporting person's spouse is the trustee of the Jennifer Duda Annuity Trusts.

F21: Reporting person is the trustee of the Kenneth Duda Annuity Trusts.

F22: These shares are held by a family trust for which the reporting person is co-trustee.

F23: 1/4th of the 100,000 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.