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: COCHRAN ROBERT D (Director, VP, Legal & Corp Collaboration)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	125065	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option (right to buy)	$3.0375	2022-01-13	Common Stock (136000)		Direct
Employee Stock Option (right to buy)	$3.0375	2022-01-13	Common Stock (37333)		Direct
Employee Stock Option (right to buy)	$8.5125	2023-10-24	Common Stock (106665)		Direct
Series A Preferred Stock	$		Common Stock (33333)		Direct
Series B Preferred Stock	$		Common Stock (15686)		Direct
Series C Preferred Stock	$		Common Stock (20144)		Direct

Footnotes

F1: One-fourth (1/4) of the shares subject to the option vested on January 12, 2013, and one forty-eighth (1/48) of the shares vest monthly thereafter, provided that the Reporting Person continues to serve through each vesting date. The option may also be early exercised, and such shares would be subject to a right of repurchase by the Issuer.

F2: One-fourth (1/4) of the shares subject to the option vested on January 12, 2013, and one forty-eighth (1/48) of the shares vest monthly thereafter, provided that the Reporting Person continues to serve through each vesting date.

F3: 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.

F4: Such preferred stock shall automatically convert into Common Stock on a one for one basis immediately prior to the closing of the Issuer's initial public offering of common stock and has no expiration date.