A10 Networks, Inc. — Director's Dealing 2014

Mar 20, 2014

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: A10 Networks, Inc. (ATEN)
CIK: 0001580808
Period of Report: 2014-03-20

Reporting Person: SMETS RAYMOND J (VP of Worldwide Sales)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	66666	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option (right to buy)	$6.1875	2023-07-23	Common Stock (133332)		Direct
Employee Stock Option (right to buy)	$8.5125	2023-10-24	Common Stock (39999)		Direct

Footnotes

F1: One-fourth (1/4) of the shares subject to the option will vest on July 22, 2014, and one forty-eighth (1/48) of the shares vest monthly thereafter, provided that the Reporting Person continues to serve through each vesting date.

F2: One forty-eighth (1/48) of the shares subject to the option will vest monthly, provided that the Reporting Person continues to serve through each vesting date.