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AMBARELLA INC·4

Mar 19, 6:39 PM ET

Ju Chi-Hong 4

Research Summary

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Updated

Ambarella (AMBA) SVP Ju Chi‑Hong Sells Shares & Exercises Options

What Happened

  • Ju Chi‑Hong, Senior Vice President, Systems & GM, Asia at Ambarella (AMBA), exercised/converted a derivative for 9,553 shares (reported 2026-03-17) and sold a total of 6,884 shares in open-market transactions (4,729 shares on 2026-03-17 and 2,155 shares on 2026-03-19) for combined proceeds of $366,221. The filing also shows a grant of 5,930 restricted stock units (RSUs) on 2026-03-18 issued as payment of his FY2026 annual bonus; those RSUs represent contingent rights to one share each.

Key Details

  • Transactions and prices:
    • 2026-03-17: Exercise/conversion of derivative — 9,553 shares (acquired; reported price N/A).
    • 2026-03-17: Open-market sale — 4,729 shares @ $52.77 = $249,549.
    • 2026-03-18: Grant/award — 5,930 RSUs @ $0.00 (annual bonus; each RSU = 1 share).
    • 2026-03-19: Open-market sale — 2,155 shares @ $54.14 = $116,672.
    • Filing also notes 9,553-share derivative disposition line (reported at $0.00) and 154 shares acquired via the company's ESPP on 2026-03-16.
  • Total reported sale proceeds: $366,221.
  • Shares owned after the transactions: not specified in the provided excerpt of the filing.
  • Notable footnotes:
    • F3: Shares sold were used to pay tax obligations from RSU vesting.
    • F4: 5,930 RSUs were issued as the reporting person’s fully‑vested FY2026 bonus.
    • F5: A prior performance-based RSU grant vested at 100% based on company performance for the performance period.
  • Filing timeliness: Reported on 2026-03-19 for transactions through 2026-03-19; filing appears timely (no late filing indicated).

Context

  • The filing indicates the sale of shares was used, at least in part, to satisfy tax withholding obligations arising from RSU vesting — a routine administrative reason for insider sales. The exercise/conversion of a derivative (M code) reflects option or similar instrument settlement; a corresponding derivative disposition line appears in the filing. These actions do not, by themselves, indicate management sentiment about the stock; they commonly reflect bonus compensation, vesting events, and tax-related sales.