Form 4: A10 Networks CEO Dhrupad Trivedi Reports Tax-Related Stock Sale

A10 Networks CEO Dhrupad Trivedi reported a tax-related disposition of 12,620 shares of common stock following the vesting of restricted stock units.

Summary

• Dhrupad Trivedi, Chief Executive Officer and Director of A10 Networks, Inc. (ATEN), reported a transaction on December 15, 2025.
• The transaction involved the disposition of 12,620 shares of A10 Networks Common Stock.
• These shares were automatically withheld, on a non-discretionary basis, for tax purposes at a price of $18.12 per share.
• The withholding was related to a restricted stock unit (RSU) grant from January 30, 2024, which vested on December 13, 2025.
• Following this transaction, Dhrupad Trivedi beneficially owns 775,495 shares of A10 Networks Common Stock directly.

Sentiment

Score: 5

Explanation: This Form 4 reports a routine, non-discretionary tax withholding event related to the vesting of restricted stock units, which is a standard compensation practice and does not indicate a change in company fundamentals or management's outlook.

Future Outlook

NA

Industry Context

NA

Stakeholder Impact

• Shareholders: Minimal impact as this is a routine tax-related transaction, not a discretionary sale reflecting a change in investment sentiment.
• Employees: No direct impact.
• Customers: No direct impact.
• Suppliers: No direct impact.
• Creditors: No direct impact.

Key Dates

Keywords

A10 Networks, ATEN, Dhrupad Trivedi, Form 4, Insider Transaction, Stock Sale, CEO, Restricted Stock Units, RSU, Tax Withholding