A10 Networks, Inc. — Director's Dealing 2015

Aug 25, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: A10 Networks, Inc. (ATEN)
CIK: 0001580808
Period of Report: 2015-08-24

Reporting Person: CHEN LEE (Director, CEO and President, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-08-24	Common Stock	P	7700	$5.891	Acquired	10845140	Direct
2015-08-24	Common Stock	P	6500	$6.073	Acquired	10851640	Direct
2015-08-25	Common Stock	P	4142	$6.393	Acquired	10855782	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	3200	Indirect

Footnotes

F1: The purchases reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F2: This is the weighted average price of the purchased shares, which ranged from $5.00 to $5.995 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 purchased at each separate price within the range set forth in this Form 4.

F3: This is the weighted average price of the purchased shares, which ranged from $6.00 to $6.16 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 purchased at each separate price within the range set forth in this Form 4.

F4: This is the weighted average price of the purchased shares, which ranged from $6.15 to $6.435 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 purchased at each separate price within the range set forth in this Form 4.

F5: Shares held of record by the U/A DTD 07/25/2000 Lee Chen Family Trust, for which the Reporting Person serves as a trustee.