Every 8-K that A10 NETWORKS INC (ATEN) has filed with the SEC in the last 24 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A 8-K covers material events a company has to report between its quarterly reports, so if you follow ATEN and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full ATEN filings page.
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.
On August 6, 2026, A10 Networks, Inc. filed a prospectus supplement to its automatic shelf registration statement on Form S-3, Registration No. 333-298099, with the Securities and Exchange Commission. The company stated that the current report serves solely to provide the related legal opinion.
Pillsbury Winthrop Shaw Pittman LLP delivered an opinion on the legality of the issuance and sale of the securities described in the prospectus supplement, included as Exhibit 5.1, with its consent included in Exhibit 23.1 and the cover page Inline XBRL data file included as Exhibit 104.1.
A10 Networks reported second-quarter 2026 revenue of $80.1 million, a 15.5% year-over-year increase, with first-half 2026 revenue reaching $155.1 million, an increase of approximately 14.5% from 2025. GAAP gross margin was 79.1% and non-GAAP gross margin 80.3%.
GAAP net income was $8.9 million, or $0.12 per diluted share, compared with $10.5 million in the prior-year quarter. Non-GAAP net income rose to $18.7 million, or $0.25 per diluted share, and Adjusted EBITDA was $24.4 million, representing 30.5% of revenue.
The company highlighted its role in security-focused next-generation networking and AI infrastructure, noting completion of the TrojAI acquisition and a new multi-year agreement with Microsoft. As of June 30, 2026, cash, cash equivalents and marketable securities totaled $357.3 million.
The Board approved a $0.06 per-share quarterly dividend, payable September 1, 2026 to shareholders of record on August 17, 2026. Management raised full-year 2026 guidance to revenue growth of 12-14% and EPS growth of 14-16% year over year.
A10 Networks, Inc. entered into a material warrant agreement with Microsoft Corporation, granting Microsoft the right to purchase up to 800,000 shares of A10 common stock at $0.01 per share, with vesting tied to Microsoft and its affiliates’ purchases of A10 products and services.
The warrant can vest in two tranches of up to 400,000 shares each, based on purchase thresholds during measurement periods ending June 30, 2027 and June 30, 2028; unearned tranches expire unvested. Vested first-tranche shares are exercisable after January 1, 2028, and second-tranche shares after January 1, 2029, until August 3, 2036, and may be exercised by cash payment or cashless exercise. The warrant includes customary anti-dilution adjustments, transfer restrictions and accelerated vesting in certain change of control transactions, and was issued as an unregistered offering relying on Section 4(a)(2) of the Securities Act of 1933.
A10 Networks, Inc. disclosed a Separation Agreement and Release with former Executive Vice President, Worldwide Sales and Marketing, Sheen Khoury, following his April 27, 2026 termination. On the agreement’s Effective Date, the company will accelerate vesting of 11,667 restricted stock units and 21,385 performance-based restricted stock units under its 2023 Stock Incentive Plan, in exchange for an effective release of claims. Other than this equity vesting acceleration, no additional compensation or benefits will be provided in connection with his termination.
A10 Networks, Inc. reported that on April 27, 2026, Sheen Khoury was terminated, effective immediately, from his role as Executive Vice President, Worldwide Sales and Marketing. The company stated that no disruption to current operations is expected as a result of this leadership change.
A10 Networks reported strong first-quarter 2026 results, with revenue of $75.0 million, up 13.4% year-over-year, driven by demand for AI infrastructure. GAAP net income was $12.0 million, or $0.17 per diluted share, while non-GAAP net income reached $17.7 million, or $0.24 per diluted share.
Non-GAAP Adjusted EBITDA was $22.5 million, representing a healthy 30.0% of revenue, and non-GAAP gross margin was 80.6%. The company ended March 31, 2026 with $369.8 million in cash, cash equivalents and marketable securities, highlighting a solid balance sheet.
The Board approved a $0.06 per share quarterly cash dividend, payable on June 1, 2026 to stockholders of record on May 15, 2026. Management reiterated full-year 2026 guidance for revenue growth of 10–12%, Adjusted EBITDA margin of 28–30%, and EPS growth of 12–14% year-over-year.
A10 Networks, Inc. held its 2026 Annual Meeting of Stockholders on April 22, 2026, with 66,388,780 of 71,723,964 entitled shares voting, a turnout of 92.56%. Stockholders elected five directors to serve until the 2027 annual meeting, subject to earlier resignation or removal.
They approved, on a non-binding basis, the Company’s executive compensation and indicated a preference to hold future advisory votes on executive pay every year. Stockholders also ratified the appointment of Grant Thornton LLP as the independent registered public accounting firm for the fiscal year ending December 31, 2026.
A10 Networks, Inc. furnished a press release and slide presentation with its financial results for the quarter and year ended December 31, 2025. These materials are provided as exhibits and are not deemed filed for liability purposes.
The company also announced that its Board of Directors declared a quarterly dividend of $0.06 per share, payable on March 2, 2026 to stockholders of record on February 16, 2026. The Board stated that future dividends will be subject to ongoing review and may be adjusted or withdrawn as part of A10’s capital allocation strategy.
A10 Networks (ATEN) furnished its quarterly update and announced a cash return to shareholders. The company furnished a press release on financial results for the quarter ended September 30, 2025 and posted accompanying slides; both are included as Exhibits 99.1 and 99.2 and are not deemed “filed” for liability purposes.
The Board approved a $0.06 per share quarterly dividend, payable on December 1, 2025 to stockholders of record on November 17, 2025. The dividend is subject to prior revocation, and future dividends will be reviewed and may be adjusted or withdrawn as the Board evaluates capital allocation over time.