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.
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.
Braham Tor reported acquisition or exercise transactions in this Form 4 filing.
A10 Networks, Inc. director Braham Tor reported receiving an equity award of 7,233 shares of Common Stock in the form of Restricted Stock Units. The award carried a price of $0.00 per share, indicating a compensation-related grant rather than an open-market purchase.
These RSUs will vest on the earlier of April 22, 2027 or the date of A10 Networks’ next Annual Meeting, provided Tor continues to serve through that vesting date. Following this grant, Tor directly holds a total of 192,812 shares of A10 Networks common stock.
A10 Networks Inc: The Vanguard Group filed Amendment No. 5 to its Schedule 13G/A reporting beneficial ownership of 0% of A10 Networks common stock, stating an amount beneficially owned of 0 shares. The amendment explains an internal realignment effective January 12, 2026 that caused certain subsidiaries and business divisions to report holdings separately.
The filing is signed by Ashley Grim as Head of Global Fund Administration on 03/26/2026 and restates that Vanguard and its managed accounts hold five percent or less of the class.
A10 Networks is asking stockholders to vote at its 2026 annual meeting on April 22, 2026 on four key items: electing five directors, an advisory Say‑on‑Pay vote, how often to hold future Say‑on‑Pay votes, and ratifying Grant Thornton as auditor.
The board remains five members, with CEO Dhrupad Trivedi also serving as chair and Eric Singer as lead independent director. All other directors are deemed independent under NYSE rules, and committees are fully independent with refreshed chair roles.
Executive pay is heavily performance-based, using revenue and adjusted EBITDA for annual bonuses and stock-price-based performance RSUs plus time-based RSUs for long-term incentives. For 2025, revenue reached $290.6 million, up 11% year over year, and adjusted EBITDA was $86 million, or 29.6% of revenue, leading to above-target bonus payouts.
The company highlights extensive shareholder engagement, including outreach to holders of more than 61% of outstanding shares, and addresses prior “overboarding” concerns around the lead independent director through expanded disclosure and governance adjustments such as rotating committee leadership.
A10 Networks, Inc. Chief Executive Officer Dhrupad Trivedi reported a tax-related share disposition. On February 28, 2026, 10,101 shares of common stock were automatically withheld on a non-discretionary basis to cover taxes tied to performance-based restricted stock units that vested the same day. These RSUs were originally granted on February 21, 2023. Following this tax-withholding disposition, Trivedi directly beneficially owns 695,235 shares of A10 Networks common stock.
A10 Networks, Inc. reported that General Counsel Robert Scott Weber had 757 shares of common stock automatically withheld at $19.26 per share to cover taxes on performance-based restricted stock units granted on February 21, 2023 and vested on February 28, 2026. After this non-discretionary tax-withholding disposition, he directly holds 54,210 shares of common stock.
A10 Networks Chief Executive Officer Dhrupad Trivedi reported a tax-related share disposition linked to vesting equity awards. On this Form 4, 8,261 shares of common stock were automatically withheld at a price of $18.99 per share to cover taxes on performance-based restricted stock units that vested on February 24, 2026.
These units were originally granted on January 25, 2022. After this non-discretionary tax-withholding disposition, Trivedi directly holds 705,336 shares of A10 Networks common stock.
A10 Networks, Inc. files its annual report detailing 2025 performance, strategy and risks. The company provides secure application and network infrastructure for enterprises and service providers across on‑premises, hybrid cloud and cloud environments.
Revenue for 2025 was $290.6 million with a 79.3% gross margin and $42.1 million in net income, continuing multi‑year growth. As of June 30, 2025, non‑affiliate market value was about $1,377.6 million, and 71,724,984 shares were outstanding as of February 19, 2026.
Management highlights trends such as AI‑driven workloads, hybrid and multi‑cloud architectures, and escalating cybersecurity threats, positioning its ACOS‑based platform and A10 Defend security portfolio to address DDoS, application and API protection. In February 2025, A10 acquired assets and key personnel of ThreatX Protect to expand cloud‑delivered web application and API security.
The report outlines concentrated customer and channel exposure, intense competition, supply‑chain dependence on a few manufacturers and component sources, international expansion risks, and evolving deployment and payment models as key risk factors that could affect future results.
A10 Networks CEO Dhrupad Trivedi reported planned stock sales and new equity awards. On February 11–13, 2026, he sold three blocks of common stock totaling 100,000 shares in open-market transactions at weighted average prices around $20.55–$20.69 per share, under a Rule 10b5-1 trading plan adopted on September 12, 2025. After these sales, he held 713,597 common shares directly.
On February 12, 2026, he also received 131,516 restricted stock units and a separate grant of 131,516 performance-based restricted stock units. The time-based RSUs vest in three equal annual installments starting February 1, 2026, while the PSUs vest based on A10’s volume-weighted average closing price performance between February 12, 2026 and February 12, 2030, along with continued employment.