A Form 4 filed on August 25, 2026 discloses that Dana Elizabeth Wolf, a director of A10 Networks, Inc. (NYSE:ATEN), sold 2,652 shares of common stock on August 25, 2026 pursuant to a pre-established Rule 10b5-1 trading plan.

Key Highlights

  • Reporting person: Dana Elizabeth Wolf, identified as a Director of A10 Networks, Inc.
  • Shares sold: 2,652 shares of common stock disposed of (transaction code S) on August 25, 2026.
  • Sale price: $25.65 per share, as reported in the filing.
  • Remaining ownership: 57,409 shares of common stock held directly following the transaction.
  • 10b5-1 plan: The sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 15, 2026.

Director Wolf's Share Sale at A10 Networks: Transaction Details

According to the filing, Dana Elizabeth Wolf, a director at A10 Networks, Inc. (NYSE:ATEN), disposed of 2,652 shares of the company's common stock on August 25, 2026 at a price of $25.65 per share. The transaction is recorded as a sale (code S) in Table I of the Form 4 and is reported as a direct holding.

The filing includes a footnote stating that "the sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 15, 2026." The form also carries a checked box indicating the transaction was made pursuant to a contract, instruction, or written plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). Following the reported transaction, Wolf directly holds 57,409 shares of A10 Networks common stock, according to the filing.

No derivative securities transactions were reported in Table II of the filing. The Form 4 was signed by Jill Osato as attorney-in-fact on August 25, 2026, and was filed by one reporting person.

What Was Disclosed

The filing discloses a single open-market sale of 2,652 shares of A10 Networks common stock by director Dana Elizabeth Wolf at $25.65 per share on August 25, 2026, conducted under a Rule 10b5-1 plan adopted May 15, 2026, leaving her with 57,409 shares directly held.