Form 4 for AMBA AMBARELLA INC
Accepted 2025-12-17 00:00:00 ET · period of report 2025-12-15 · accession 0001280263-25-000064 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-12-17 | 2025-12-15 | AMBA | RICHARDSON DAVID JEFFREY | Dir | G - Gift | $0.00 | -2,531 | 2,498 | -50% | $0 | |
| I | 2025-12-17 | 2025-12-15 | AMBA | RICHARDSON DAVID JEFFREY | Dir | G - Gift | $0.00 | +2,531 | 25.8K | +11% | $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 | 2025-12-15 | G | D | 2,531 | $0.00 | 2,498 | D by Family Trust | — | — | |
| 2 | Common | Ordinary Shares | 2025-12-15 | G | A | 2,531 | $0.00 | 25,812 | I | — | — |