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.
ATEN reports a planned sale of 14,086 shares of common stock through Morgan Stanley Smith Barney LLC on the NYSE, with an anticipated sale date of August 11, 2026. The amount consists of 12,521 shares from Performance and Restricted Stock dated February 1, 2024 and 1,565 shares acquired under an Employee Stock Purchase Plan dated May 31, 2024.
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, Inc. has filed a prospectus supplement registering for resale up to 153,962 shares of common stock. These shares were issued on June 15, 2026 to former shareholders of TrojAI Inc. as part of A10’s acquisition of all outstanding TrojAI shares under a Share Purchase Agreement.
The shares may be sold from time to time by the selling stockholders using various methods and prices; A10 will not receive any proceeds from these sales, though it will bear registration costs. The company highlights risks related to potential stock price volatility, increased supply from registered resales, analyst coverage, and the possibility of reductions or suspension of its dividend policy.
A10 Networks, Inc. has registered a universal shelf on Form S-3 that allows the company and potential selling securityholders to offer, from time to time after effectiveness, a range of securities, including debt securities, common stock, preferred stock, depositary shares and warrants. The aggregate size and exact terms of future offerings will be set in one or more prospectus supplements, which will also specify pricing, detailed terms and the distribution method for each tranche.
The company states that it intends to use net proceeds from any primary offerings as described in the applicable supplements, while it will not receive proceeds from sales by selling securityholders unless otherwise noted. A10 highlights that it is a global provider of secure application and network solutions for enterprises and service providers, and outlines standard New York-law indenture terms for any debt issued, anti-takeover provisions under Delaware law, and broad flexibility to issue up to 500,000,000 authorized shares of common stock and 100,000,000 shares of preferred stock.
A10 Networks reported Q2 2026 total net revenue of $80,137 thousand, up 15.5% year over year, with products at $49,024 thousand and services at $31,113 thousand. Enterprises represented 60% of revenue versus 40% a year earlier, and the Americas contributed 68%.
Net income for Q2 was $8,882 thousand, down from $10,538 thousand, while first-half 2026 net income rose to $20,914 thousand on revenue of $155,137 thousand. Gross margin stayed near 79% as the company increased investment in research and development and general and administrative functions.
The company acquired TrojAI for $34.7 million in cash and $5.0 million in stock, adding $8.8 million of identifiable intangibles and $32.8 million of goodwill focused on AI security. Cash and cash equivalents were $54,679 thousand and marketable securities $302,669 thousand as of June 30, 2026.
A10 has $225.0 million of 2.75% Convertible Senior Notes due 2030; a stock-price condition made the notes convertible in Q3 2026, leading to reclassification of $219.5 million from long-term to current debt. Customer and channel concentration remained high, with one customer contributing 38% of Q2 revenue.
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.
First Trust Portfolios L.P., First Trust Advisors L.P. and The Charger Corporation report beneficial ownership of 4,809,261 shares of A10 Networks, Inc. common stock, representing 6.68% of the class. They report shared voting power over 3,310,470 shares and shared dispositive power over 4,809,261 shares, with no sole voting or dispositive power.
The holdings are primarily in unit investment trusts and other managed accounts, and the reporting entities disclaim beneficial ownership. Voting for unit investment trust shares is generally carried out by the trustee, not by the reporting entities.
A10 Networks, Inc. General Counsel Robert Scott Weber reported a routine tax-related share disposition. On July 6, 2026, 1,897 shares of common stock were withheld at $36.30 per share to cover taxes on a restricted stock unit grant that vested on July 5, 2026. After this non-discretionary withholding, he directly holds 64,672 shares, which include 1,042 shares acquired through the company’s Employee Stock Purchase Plan on May 31, 2026.
ATEN notice of proposed sale: a Form 144 lists 5,000 performance shares to be sold on 05/05/2026 through Morgan Stanley Smith Barney LLC. The filing also records a prior sale by Sheen Khoury of 7,000 common shares on 06/10/2026 for $220,929.10.