Form 4 for AMBA AMBARELLA INC
Accepted 2025-03-07 00:00:00 ET · period of report 2025-02-28 · accession 0001280263-25-000012 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-03-07 | 2025-02-28+ | AMBA | Kohn Leslie | CTO, Dir | A - Grant | $0.00 | +25.6K | 985.3K | +3% | $0 |
| D | 2025-03-07 | 2025-03-06 | AMBA | Kohn Leslie | CTO, Dir | S - Sale | $55.11 | -2,316 | 983.0K | -0.2% | -$127.6K |
| D | 2025-03-07 | 2025-02-28 | AMBA | Kohn Leslie | CTO, Dir | A - Grant | $0.00 | +19.6K | 19.6K | New | $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 | 2025-02-28 | A | A | 19,560 | $0.00 | 979,236 | D | — | — | (F1) The restricted stock units vest at the rate of 1/12 per quarter commencing on March 15, 2025. |
| 2 | Common | Ordinary Shares | 2025-03-05 | A | A | 6,056 | $0.00 | 985,292 | D | — | — | (F2) 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 2025 Annual Bonus Plan. Each restricted stock unit represents a contingent right to receive one Ordinary Share. |
| 3 | Common | Ordinary Shares | 2025-03-06 | S | D | 2,316 | $55.11 | 982,976 | D | — | — | (F3) Shares sold to pay tax obligations resulting from the vesting of restricted stock units. |
| 4 | Derivative | Performance Stock Units | 2025-02-28 | A | A | 19,560 | $0.00 | 19,560 | D | — · — to 2028-03-15 | 19,560 Ordinary Shares | (F4) Each restricted stock unit represents a contingent right to receive one share of Ambarella, Inc. Ordinary Shares. (F5) Reporting person was granted an award of performance-based RSUs covering a target number of ordinary shares (the "Target RSU Number"). Pursuant to time-based vesting requirements, 100% of the Target RSU Number is scheduled to vest on March 15, 2028, subject to continued service requirements through such date. In addition, the number of shares subject to the RSUs may be decreased by up to 100% or increased by up to 150% of the Target RSU Number or may remain the same, based on the Company's total shareholder return and revenue growth rate over the period of February 1, 2025 through January 31, 2028. |