Arista Networks, Inc. — Director's Dealing 2015

Jul 1, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Arista Networks, Inc. (ANET)
CIK: 0001596532
Period of Report: 2015-06-29

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-06-29	Common Stock	S	21000.0	$81.7492	Disposed	11000	Indirect
2015-06-29	Common Stock	S	14285.0	$81.7492	Disposed	3919814	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1392900	Indirect
Common Stock	1392900	Indirect
Common Stock	78580	Indirect
Common Stock	78580	Indirect

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $80.61 to $81.97, 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.

F2: These shares are held by a 501(c)(3)Foundation for which the reporting person and her husband serve as corporate officers. The reporting person shares voting and investment control over the shares with her husband, but disclaims beneficial ownership of the shares.

F3: The sale reported on this Form 4 was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 12, 2014.

F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $80.61 to $81.97, 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: These shares are held by a family trust for which the reporting person is a trustee.

F6: 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.

F7: 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.