A10 Networks, Inc. — Director's Dealing 2021

May 7, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: A10 Networks, Inc. (ATEN)
CIK: 0001580808
Period of Report: 2021-05-06

Reporting Person: COCHRAN ROBERT D (EVP Legal & Corp Collaboration)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-06	Common Stock	S	2627	$8.82	Disposed	267050	Direct

Footnotes

F1: Represents the number of shares automatically sold, on a non-discretionary basis, to cover tax withholding obligations in connection with the vesting of restricted stock units.

F2: This is the weighted average price of the shares sold, which ranged from $8.81 to $8.82 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.