Tor Braham - 22 Apr 2026 Form 4 Insider Report for A10 Networks, Inc. (ATEN)

Reporting relationship: Director
Issuer ticker: ATEN
Reported as of: 22 Apr 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 23 Apr 2026, 16:20:51 UTC
Prior SEC filing: 23 Jun 2025
Next SEC filing: 23 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Jill Osato, Attorney-in-fact

Key filing fact

Tor Braham filed Form 4 for A10 Networks, Inc. (ATEN) on 23 Apr 2026.

Key facts

This page summarizes Tor Braham's Form 4 filing for A10 Networks, Inc. (ATEN).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 23 Apr 2026, 16:20.

Change

Previous filing in this sequence was filed on 23 Jun 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001586400 Primary reporting owner

Braham Tor

Relationship: Director
Address: C/O A10 NETWORKS, INC., 2300 ORCHARD PARKWAY, SAN JOSE
Signature: /s/ Jill Osato, Attorney-in-fact
Signature date: 22 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ATEN transaction

Common Stock

Award

Transaction value
Shares: +7,233
Change %: +3.9%
Price: $0.000000^*
Shares after: 192,812
Date: 22 Apr 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Each share is represented by a Restricted Stock Unit ("RSU"). The RSUs will vest on the earlier of April 22, 2027 or the date of the Issuer's next Annual Meeting, provided that the Reporting Person continues to serve through each such vesting date.