Form 4 for AMBA AMBARELLA INC
Accepted 2025-12-19 00:00:00 ET · period of report 2025-12-17 · accession 0001280263-25-000067 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-12-19 | 2025-12-17 | AMBA | Wang Feng-Ming | CEO, Dir | S - Sale | $71.82 | -4,950 | 784.0K | -0.6% | -$355.5K | |
| 2025-12-19 | 2025-12-19 | AMBA | Wang Feng-Ming | CEO, Dir | G - Gift | $0.00 | -15.0K | 769.0K | -2% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Ordinary Shares | 2025-12-17 | S | D | 4,950 | $71.82 | 783,979 | D | — | — | (F1) Shares sold to pay tax obligations resulting from the vesting of restricted stock units. |
| 2 | Common | Ordinary Shares | 2025-12-19 | G | D | 15,000 | $0.00 | 768,979 | D | — | — |