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AMBARELLA INC·4

Mar 19, 6:39 PM ET

Wang Feng-Ming 4

4 · AMBARELLA INC · Filed Mar 19, 2026

Research Summary

AI-generated summary of this filing

Updated

Ambarella CEO Wang Feng-Ming Sells Shares, Exercises Options, Receives RSUs

What Happened Wang Feng‑Ming, CEO and Director of Ambarella, sold a total of 27,059 shares in open‑market transactions (18,976 shares on 2026‑03‑17 at $52.77 for $1,001,364 and 8,083 shares on 2026‑03‑19 at $54.14 for $437,614, total proceeds ~$1.44M). The filing also shows an exercise/conversion of 27,598 derivative units on 2026‑03‑17 and a same‑day disposition of 27,598 derivative shares (reported at $0), and a grant/award of 15,686 fully‑vested restricted stock units (RSUs) on 2026‑03‑18 (reported value $0 in the Form 4). The report notes 154 shares were acquired under the company’s employee stock purchase plan on March 16, 2026.

Key Details

  • Transaction dates and prices:
    • 2026‑03‑17: Sold 18,976 shares @ $52.77 — $1,001,364
    • 2026‑03‑17: Exercise/conversion M — 27,598 shares acquired (reported N/A price) and 27,598 derivative shares disposed at $0
    • 2026‑03‑18: Award A — 15,686 RSUs (fully vested, $0 reported)
    • 2026‑03‑19: Sold 8,083 shares @ $54.14 — $437,614
    • Includes 154 shares from ESPP acquired 2026‑03‑16
  • Shares owned after the transactions: not specified in the provided excerpt of the filing.
  • Notable footnotes:
    • F1/F4: Each RSU represents a right to one ordinary share; the 15,686 RSUs were issued as the reporting person’s FY2026 annual bonus.
    • F3: Some shares were sold to pay tax withholding obligations arising from RSU vesting.
    • F5: A separate performance‑based RSU grant (from 4/3/2023) vested at 100% of target as of 3/15/2026.
  • Filing timeliness: Report filed 2026‑03‑19 for transactions on 3/17–3/19 — appears timely (no late‑filing flag).

Context

  • The Form shows an exercise/conversion of 27,598 derivative units with a matching same‑day disposition at $0; filings like this commonly reflect a net settlement or share withholding related to exercise/vesting rather than a cash gain. The filing explicitly states shares were sold to cover tax obligations from RSU vesting (so the open‑market sales were at least partly for tax withholding).
  • The 15,686 RSUs were reported as a fully‑vested bonus award (not a purchase), and the performance RSU award granted in 2023 vested at 100% of target based on company results over the performance period. These acquisitions (RSUs/vesting) are acquisitions, while the open‑market trades were dispositions.

Insider Transaction Report

Form 4
Period: 2026-03-17
AMBARELLA INCAMBA
Wang Feng-Ming
DirectorCEO
Transactions
  • Exercise/Conversion

    Ordinary Shares

    [F1][F2]
    2026-03-17+27,598→ 849,934 total
  • Sale

    Ordinary Shares

    [F3]
    2026-03-17$52.77/sh−18,976$1,001,364→ 830,958 total
  • Award

    Ordinary Shares

    [F4]
    2026-03-18+15,686→ 846,644 total
  • Sale

    Ordinary Shares

    [F3]
    2026-03-19$54.14/sh−8,083$437,614→ 838,561 total
  • Exercise/Conversion

    Performance Stock Units

    [F1][F5]
    2026-03-17−27,598→ 0 total
    Exp: 2026-03-15→ Ordinary Shares (27,598 underlying)
Footnotes (5)
  • [F1]Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares.
  • [F2]Includes 154 shares acquired under the Company's employee stock purchase plan on March 16, 2026.
  • [F3]Shares sold to pay tax obligations resulting from the vesting of restricted stock units.
  • [F4]Represents an award of fully-vested restricted stock units (RSUs) issued to reporting person as payment of reporting person's annual bonus under the company's previously established Fiscal Year 2026 Annual Bonus Plan. Each restricted stock unit represents a contingent right to receive one Ordinary Share.
  • [F5]On April 3, 2023, reporting person was granted a performance-based RSU award covering a target number of ordinary shares (the "Target RSU Number"). Pursuant to time-based vesting requirements, the award would vest in full on March 15, 2026. In addition, the number of shares subject to the award could be decreased by up to 100% or increased by up to 150% of the Target RSU Number, based on attainment of specified levels of the Company's total stockholder return and revenue growth over the period of February 1, 2023 through January 31, 2026 (the "TSR Period"). As a result of the Company's performance over the TSR Period, the number of shares that vested was 100% of the Target RSU Number.
Signature
By: /s/ Michael Morehead, Attorney-in-Fact For: Feng-Ming Wang|2026-03-19

Documents

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