Welcome to our dedicated page for A10 Networks SEC filings (Ticker: ATEN), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
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. General Counsel Robert Scott Weber reported routine equity compensation activity. On May 5, he exercised performance-based restricted stock units that convert into 3,882 and 3,707 shares of common stock after specified stock price performance conditions were certified as achieved.
These units remain subject to time-based vesting, with one-half scheduled to vest on May 5, 2026 and the remaining quarters on the first and second anniversaries of the respective April 2026 achievement dates, assuming continued employment. On May 6, 1,930 shares were automatically withheld at $27.13 per share to cover taxes, and he now holds 59,869 common shares directly.
A10 Networks, Inc. Chief Financial Officer Michelle Elizabeth Caron reported routine equity compensation activity involving performance-based restricted stock units and related tax withholding. On May 5, 2026, she exercised awards covering 16,695 performance-based RSUs, each converting into one share of A10 common stock after achieving specified stock price performance conditions certified in April 2026.
These RSUs remain subject to time-based vesting, with specified portions vesting on May 5, 2026 and on the first and second anniversaries of the April 2026 achievement dates, contingent on continued employment. On May 6, 2026, 2,994 shares of common stock were automatically withheld at $27.13 per share to cover tax obligations, a non-discretionary tax-withholding disposition rather than an open-market sale. After these transactions, Caron directly held 33,385 shares of A10 common stock.
ATEN notice filed on Form 144 reporting proposed sales of Common stock totaling 24,698 shares. The filing lists two restricted stock lots: 12,000 shares dated 04/17/2025 and 12,698 shares dated 04/17/2026. The broker listed is Morgan Stanley Smith Barney LLC Executive Financial Services and the filing date shown is 05/05/2026.
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 Inc ownership filing shows Vanguard Capital Management reports beneficial ownership of 3,652,309 shares of Common Stock, equal to 5.09% of the class as of 03/31/2026. The filer reports sole dispositive power over 3,652,309 shares and sole voting power for 531,294 shares.
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.
CHUNG PETER Y reported acquisition or exercise transactions in this Form 4 filing.
A10 Networks, Inc. reported that director Peter Y. Chung received a grant of 7,233 restricted stock units (RSUs) of Common Stock as part of the director compensation program. These RSUs vest on the earlier of April 22, 2027 or the company’s next Annual Meeting.
Upon vesting, the RSUs will settle in an equal number of A10 Networks common shares, provided Mr. Chung remains in continuous service through the vesting date. After this grant, 207,298 shares and RSUs are held in his name for the benefit of Summit Partners, L.P., and he disclaims beneficial ownership except for his pecuniary interest.
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.
Wolf Dana Elizabeth reported acquisition or exercise transactions in this Form 4 filing.
A10 Networks director Dana Elizabeth Wolf received an equity award in the form of restricted stock units. On April 22, 2026, she was granted 7,233 shares of A10 Networks, Inc. common stock represented by RSUs at no cash price. Following this grant, she directly holds 60,061 common shares.
The RSUs will vest on the earlier of April 22, 2027 or the date of A10 Networks’ next annual meeting, provided she continues to serve through the applicable vesting date.
Singer Eric reported acquisition or exercise transactions in this Form 4 filing.
A10 Networks, Inc. director Eric Singer received a grant of 7,233 shares of Common Stock in the form of Restricted Stock Units. The RSUs will vest on the earlier of April 22, 2027, or the company’s next annual meeting, if he continues serving through that date. Following this award, he holds 93,504 shares directly.