A10 Networks, Inc. filings document the company’s operating results, capital-return actions, governance matters and executive changes as a public secure networking and cybersecurity provider. Its Form 8-K disclosures include quarterly financial results, Regulation FD presentation materials, board-approved dividend actions and officer departure or compensation arrangements.
Proxy and annual-meeting filings cover director elections, advisory votes on executive compensation, say-on-pay frequency, auditor ratification and stockholder voting outcomes. Together, the filings provide formal records of A10 Networks’ board oversight, compensation governance, common-stock matters and recurring disclosure obligations under the Exchange Act.
A10 Networks, Inc. (ATEN) reported third-quarter 2026 revenue of $91.5 million, up 22.6% year over year. GAAP net income was $17.2 million, or $0.23 per diluted share, compared with $12.2 million and $0.17 a year earlier; non-GAAP net income was $23.6 million, or $0.31 per diluted share. Adjusted EBITDA, a non-GAAP measure, was $29.5 million, equal to 32.2% of revenue.
For full-year 2026, management updated its outlook to approximately 16% revenue growth, non-GAAP Adjusted EBITDA margin in excess of 30%, and non-GAAP diluted EPS of $1.08 to $1.10, representing 20%–22% growth over 2025. Previous guidance was 12%–14% revenue growth and 14%–16% EPS growth. Management also set long-term targets of $500 million in annual revenue through organic growth and $2.00 in annual non-GAAP EPS for fiscal 2029.
The Board approved a $0.06 per-share quarterly dividend, payable December 1, 2026, to stockholders of record November 16, subject to any prior revocation; future dividends will be subject to further Board review and approval. During the quarter, A10 repurchased 879,000 shares at an average $26.18 per share for $23.0 million and paid $4.4 million in dividends. Cash, cash equivalents and marketable securities totaled $360.4 million as of September 30, 2026.
A10 Networks, Inc. (ATEN) common stock is the subject of Vanguard Portfolio Management’s report of beneficial ownership: 3,788,363 shares, or 5.21% of the class, as of September 30, 2026. The report lists sole voting power over 66,757 shares and sole dispositive power over 3,788,363 shares, with no shared voting or dispositive power. The reported amount includes securities held by Vanguard funds and client accounts over which Vanguard Portfolio Management LLC and identified affiliates exercise voting and/or dispositive power. It states that no other person’s interest in the reported securities exceeds 5%.
A10 Networks, Inc. (ATEN) was the subject of an amended ownership report by Vanguard Capital Management, which reported beneficial ownership of 3,624,539 shares, or 4.99% of the class, as of September 30, 2026. Vanguard Capital Management reported sole voting power over 547,543 shares and sole dispositive power over 3,624,539 shares; shared voting and dispositive power were each 0 shares. The reported amount includes securities held by Vanguard funds and clients over which Vanguard entities exercise voting and/or dispositive power.
A10 Networks, Inc. Chief Financial Officer Michelle Elizabeth Caron had 1,743 common shares automatically withheld for tax purposes on October 5, 2026, at $28.19 per share; her direct holdings afterward were 33,871 shares. The withholding related to a September 30, 2025 restricted stock unit grant that vested on October 5, 2026.
A10 Networks, Inc. director Mary C. Henry received an award of 7,981 shares of common stock on October 5, 2026, with each share represented by a restricted stock unit (RSU). The award is reported as direct ownership, with direct holdings following the transaction of 7,981 shares. One-third of the RSUs will vest on each of the first three anniversaries of the October 5, 2026 Vesting Commencement Date, provided she continues to serve through each vesting date.
A10 Networks, Inc. (ATEN) expanded its Board of Directors and added a new member. On September 9, 2026, the Board approved increasing its size from five to six directors and appointed Mary C. Henry as a director, effective October 5, 2026. She will serve until the 2027 Annual Meeting of Stockholders and until her successor is elected and qualified, or earlier death, resignation or removal. The company states there is no arrangement or understanding with any other person regarding her selection and no related-party transactions requiring disclosure. Ms. Henry will receive compensation under the standard program for non-employee directors and will enter into the company’s standard form of indemnification agreement.
A10 Networks, Inc. (ATEN) director Dana Elizabeth Wolf reported selling 2,652 shares of common stock on 2026-08-25 at $25.65 per share in an open-market or private transaction. After this sale, Wolf directly holds 57,409 shares of A10 Networks common stock. The sale was effected under a Rule 10b5-1 trading plan adopted on May 15, 2026.
A10 Networks, Inc. (ATEN) director Dana Elizabeth Wolf filed a Form 144 notice to sell up to 2,652 shares of the company’s common stock under Rule 144. The shares, held as restricted stock acquired from the issuer on 06/24/2023, have an aggregate market value of $68,023.80 and are planned to be sold through Morgan Stanley Smith Barney LLC on or after 08/25/2026, with the shares listed on the NYSE.
A10 Networks, Inc. General Counsel Robert Scott Weber reported selling 14,086 shares of common stock on August 11, 2026 in an open-market transaction at a weighted average price of $27.86 per share, with individual sale prices ranging from $27.55 to $28.46. The sales were effected pursuant to a Rule 10b5-1 trading plan adopted on May 9, 2026, and Weber now directly holds 50,586 shares of A10 Networks common stock.