Ambarella (AMBA) SVP Ju Chi-Hong Sells 2,009 Shares

What Happened
Ju Chi-Hong, Senior Vice President, Systems & General Manager at Ambarella (AMBA), sold 2,009 shares on September 17, 2026 at $64.83 per share, for proceeds of $130,243. The filing classifies the transaction as an open-market or private sale (code S) and notes the shares were sold to pay tax obligations arising from the vesting of restricted stock units.

Key Details

• Transaction date and price: 2026-09-17, 2,009 shares at $64.83 each (total $130,243).
• Filing date: Form 4 filed on 2026-09-18 (timely).
• Shares owned after transaction: not specified in the provided filing.
• Footnotes: F1 — shares sold to pay tax obligations from RSU vesting; F2 — filing notes inclusion of 238 shares acquired under Ambarella’s employee stock purchase plan on Sept 15, 2026.
• Transaction code: S = Sale; this was a sale to cover taxes (routine, not necessarily a market-timing signal).

Context
This was a sale linked to tax withholding for vested restricted stock units — a common, routine insider transaction. Purchases generally convey stronger bullish signals than routine sales tied to tax or vesting events; this filing should be interpreted as administrative rather than an explicit statement about company prospects.