Arista Networks, Inc. — Director's Dealing 2017

Jan 19, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Arista Networks, Inc. (ANET)
CIK: 0001596532
Period of Report: 2017-01-17

Reporting Person: Smith Mark Stephen (Sr. VP, Worldwide Sales)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-01-17	Common Stock	S	1962	$88.0441	Disposed	66138	Indirect
2017-01-17	Common Stock	S	712	$88.7111	Disposed	65426	Indirect
2017-01-17	Common Stock	S	444	$90.0616	Disposed	64982	Indirect
2017-01-17	Common Stock	S	400	$90.895	Disposed	64582	Indirect
2017-01-17	Common Stock	S	682	$91.9944	Disposed	63900	Indirect
2017-01-17	Common Stock	S	800	$93.0813	Disposed	63100	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1620	Direct

Footnotes

F1: The sale of shares was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on March 11, 2016, and amended on June 2, 2016.

F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.37 to $88.33, 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 by a family trust for which the reporting person is a trustee.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.40 to $89.32, 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 $89.40 to $90.38, 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 $90.43 to $91.26, 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 $91.53 to $92.38, 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 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.67 to $93.46, 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.