The 2026 Annual Meeting of stockholders (the ‘‘Annual Meeting’’) of A10 Networks, Inc., a Delaware corporation, will be held on Wednesday, April 22, 2026 at 10:00 a.m. Pacific Time, at 2300 Orchard Parkway, San Jose, CA 95131
Electronic Proxy Voting
The Notice of Internet Availability of Proxy Materials containing instructions on how to access this proxy statement and our annual report is first being mailed
on or about March 10, 2026 to all stockholders entitled to vote at the Annual Meeting. The proxy statement and our 2025 annual report can be accessed directly at the following Internet address proxyvote.com. All you have to do is enter the control number located on your proxy card.