A10 Networks, Inc.·4

Feb 26, 4:44 PM ET

Trivedi Dhrupad 4

4 · A10 Networks, Inc. · Filed Feb 26, 2026

Research Summary

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A10 Networks CEO Dhrupad Trivedi Sells 8,261 Shares (Tax Withhold)

What Happened
Dhrupad Trivedi, CEO of A10 Networks (ATEN), had 8,261 shares disposed on February 24, 2026 as a tax-withholding action tied to the vesting of performance-based restricted stock units. The shares were valued at $18.99 each, totaling approximately $156,876. This was a withholding disposition (code F), not an open-market sale initiated to raise cash.

Key Details

  • Transaction date: 2026-02-24; price per share: $18.99; total value: ~$156,876.
  • Transaction type: F (shares automatically withheld to satisfy tax withholding on vested RSUs).
  • Origin of shares: Performance-based RSUs granted 2022-01-25 that vested 2026-02-24 (footnote F1).
  • Shares owned after transaction: Not specified in this filing.
  • Filing date / timeliness: Form 4 filed 2026-02-26 (filed within the standard two business-day window).

Context
This was a routine tax-withholding disposition tied to RSU vesting (common when awards vest); it does not necessarily reflect the CEO’s buy/sell sentiment. For investors, purchases or open-market sales by insiders are usually more indicative of conviction than withholding transactions.

Insider Transaction Report

Form 4
Period: 2026-02-24
Trivedi Dhrupad
DirectorChief Executive Officer
Transactions
  • Tax Payment

    Common Stock

    [F1]
    2026-02-24$18.99/sh8,261$156,876705,336 total
Footnotes (1)
  • [F1]Shares automatically withheld, on a non-discretionary basis, for tax purposes related to performance-based restricted stock units granted on January 25, 2022, which vested on February 24, 2026.
Signature
/s/ Jill Osato, Attorney-in-fact|2026-02-26

Documents

1 file
  • 4
    wk-form4_1772142249.xmlPrimary

    FORM 4