Sheen George Khoury - Jul 14, 2025 Form 4 Insider Report for A10 Networks, Inc. (ATEN)

Role
Executive VP, Sales and Mktg
Signature
/s/ Jill Osato, as Attorney-in-Fact
Stock symbol
ATEN
Transactions as of
Jul 14, 2025
Transactions value $
$0
Form type
4
Date filed
7/15/2025, 04:46 PM
Previous filing
Jul 2, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Khoury Sheen George Executive VP, Sales and Mktg 2300 ORCHARD PARKWAY, SAN JOSE /s/ Jill Osato, as Attorney-in-Fact 2025-07-15 0002074992

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ATEN Common Stock Award $0 +35K +2298.1% $0.00 36.5K Jul 14, 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction ATEN Performance-based Restricted Stock Units Award $0 +35K $0.00 35K Jul 14, 2025 Common Stock 35K Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each share is represented by a Restricted Stock Unit ("RSU"). One-third (1/3) of the total RSUs will vest on each of the first three (3) anniversaries of the Vesting Commencement Date (6/5/2025), provided that the Reporting Person continues to serve through each such vesting date.
F2 Each share is represented by a Performance-based Restricted Stock Unit ("PSU").
F3 Grant of 35,000 PSUs, each of which represents a contingent right to receive one share of common stock of ATEN, with vesting subject to the achievement of specified levels of the volume weighted average closing price of a share of ATEN common stock during any one hundred (100) day trading period between July 14, 2025 and July 14, 2029 (the "Performance Milestone"). Upon achievement of the Performance Milestone, vesting is subject to continued employment with the Company through the applicable vesting date, which occurs in three installments, with the vesting of the first fifty percent (50%) to occur within thirty (30) days of achievement of the Performance Milestone and an additional twenty-five percent (25%) on each of the first and second anniversaries of the date of achievement of the Performance Milestone.