<div id="readability-page-1"><div>Weber Robert Scott Officer of A10 Networks Inc [ATEN] filed a Form 4 on December 16, 2025 with the Securities and Exchange Commission disclosing the following changes in ownership:<div><table><tbody><tr><th>Date</th><th>Transaction</th><th>Shares</th><th>Price</th><th>Value</th></tr><tr><td>12/12/25</td><td>Gift</td><td>600</td><td>$0.00</td><td>N/A</td></tr><tr><td>12/15/25</td><td>Surrender(1)</td><td>925</td><td>$18.12</td><td>$16,761</td></tr></tbody></table></div>Ending Holdings: 55,925 - Direct<ul><li>(1)</li><li>Surrender of shares back to company to pay option exercise cost and/or resulting tax liability.</li></ul>For a free trial, or to learn more about our insider trading analysis and data services, please visit http://www.washingtonservice.com or contact us at (301) 913-5100 or send an email to info@washingtonservice.com.Founded in 1970, The Washington Service provides securities professionals with financial, economic and public policy research and data. </div></div>

ATEN

Officer Robert Scott Weber of A10 Networks Inc (ATEN) filed a Form 4 with the SEC on December 16, 2025, disclosing a gift of 600 shares and the surrender of 925 shares at $18.12 each to cover option exercise costs and/or tax liabilities. His ending holdings are 55,925 shares directly.

Officer Weber Surrenders 925 Of A10 Networks Inc [ATEN]