TEXT-EXTRACT 2 filename2.txt United States securities and exchange commission logo September 28, 2022 Brian Becker Chief Financial Officer A10 Networks, Inc. 2300 Orchard Parkway San Jose, CA 95131 Re: A10 Networks, Inc. Form 10-K for the fiscal year ended December 31, 2021 Filed on March 8, 2022 File No. 001-36343 Dear Mr. Becker: We have completed our review of your filings. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Technology