Ambarella (AMBA) CEO Wang Feng-Ming Sells 6,086 Shares

What Happened

• Wang Feng-Ming, Ambarella's CEO and a company director, sold 6,086 shares in an open-market sale on September 17, 2026. The shares were sold at $64.83 each for a total proceeds of $394,555. The filing indicates the sale was to pay tax obligations resulting from the vesting of restricted stock units.

Key Details

• Transaction date: 2026-09-17; Filing date: 2026-09-18 (filed the next day).
• Price and size: 6,086 shares at $64.83 per share; total proceeds $394,555.
• Shares owned after transaction: Not specified in the provided filing details.
• Footnotes:
  • F1: Sale was to pay tax obligations from RSU vesting.
  • F2: Includes 238 shares acquired under the company’s employee stock purchase plan on September 15, 2026.
• Transaction type: Sale (S) — routine disposition related to tax withholding, not a purchase signal.

Context

• Sales to cover tax withholding on vested restricted stock units are common and are not necessarily an indicator of the insider’s view on the company’s outlook. Purchases by insiders typically carry more weight for signaling confidence; this filing documents a tax-related sale. The Form 4 was filed promptly the day after the transaction.