Wang Feng-Ming insider trades
Wang Feng-Ming has filed 37 Form 4s with the SEC that we hold, all for Ambarella INC (AMBA), as CEO, Director. Across all of them we count 0 purchases worth $0 and 36 sales worth $23.0M reported on Form 4. In the last 12 months: 0 purchases ($0) and 14 sales ($10.1M). The largest single trade was a sale of 46,908 shares of Ambarella INC worth $4.3M, dated 2022-03-16. Of 1 sale filed since we began reading the 10b5-1 checkbox, 0 (0%) were marked as made under a 10b5-1 trading plan. The first filing on our record is dated 2021-07-20 and the latest 2026-09-18.
Ambarella INC (AMBA)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-12-03 | S, sale reported on Form 4 | 4,452 | $857.9K | 2021-12-07 |
| 2021-12-16 | S, sale reported on Form 4 | 4,753 | $897.9K | 2021-12-17 |
| 2022-03-14 | S, sale reported on Form 4 | 2,982 | $251.7K | 2022-03-14 |
| 2022-03-16 | S, sale reported on Form 4 | 46,908 | $4.3M | 2022-03-18 |
| 2022-06-16 | S, sale reported on Form 4 | 3,937 | $260.9K | 2022-06-17 |
| 2022-09-16 | S, sale reported on Form 4 | 3,736 | $236.3K | 2022-09-20 |
| 2022-12-16 | S, sale reported on Form 4 | 3,703 | $310.2K | 2022-12-20 |
| 2023-03-17 | S, sale reported on Form 4 | 16,644 | $1.3M | 2023-03-17 |
| 2023-06-20 | S, sale reported on Form 4 | 3,039 | $257.7K | 2023-06-20 |
| 2023-09-18 | S, sale reported on Form 4 | 3,019 | $173.0K | 2023-09-20 |
| 2023-12-19 | S, sale reported on Form 4 | 3,093 | $195.0K | 2023-12-21 |
| 2024-03-08 | S, sale reported on Form 4 | 1,297 | $74.1K | 2024-03-11 |
| 2024-03-18 | S, sale reported on Form 4 | 2,173 | $107.1K | 2024-03-20 |
| 2024-06-18 | S, sale reported on Form 4 | 3,058 | $169.7K | 2024-06-20 |
| 2024-09-04 | S, sale reported on Form 4 | 4,382 | $245.5K | 2024-09-06 |
| 2024-09-05 | S, sale reported on Form 4 | 31,618 | $1.7M | 2024-09-06 |
| 2024-09-17 | S, sale reported on Form 4 | 4,301 | $230.3K | 2024-09-19 |
| 2024-12-16 | S, sale reported on Form 4 | 4,296 | $324.0K | 2024-12-18 |
| 2025-03-06 | S, sale reported on Form 4 | 4,104 | $226.2K | 2025-03-07 |
| 2025-03-18 | S, sale reported on Form 4 | 3,194 | $175.7K | 2025-03-20 |
| 2025-06-17 | S, sale reported on Form 4 | 4,677 | $244.4K | 2025-06-20 |
| 2025-09-17 | S, sale reported on Form 4 | 4,928 | $391.4K | 2025-09-19 |
| 2025-12-17 | S, sale reported on Form 4 | 4,950 | $355.5K | 2025-12-19 |
| 2026-03-02 | S, sale reported on Form 4 | 2,600 | $154.8K | 2026-03-04 |
| 2026-03-02 | S, sale reported on Form 4 | 32,460 | $2.0M | 2026-03-04 |
| 2026-03-02 | S, sale reported on Form 4 | 12,040 | $739.5K | 2026-03-04 |
| 2026-03-02 | S, sale reported on Form 4 | 1,000 | $56.8K | 2026-03-04 |
| 2026-03-02 | S, sale reported on Form 4 | 1,900 | $111.7K | 2026-03-04 |
| 2026-03-17 | S, sale reported on Form 4 | 18,976 | $1.0M | 2026-03-19 |
| 2026-03-19 | S, sale reported on Form 4 | 8,083 | $437.6K | 2026-03-19 |
| 2026-05-26 | S, sale reported on Form 4 | 9,150 | $842.3K | 2026-05-28 |
| 2026-05-26 | S, sale reported on Form 4 | 6,065 | $553.3K | 2026-05-28 |
| 2026-05-26 | S, sale reported on Form 4 | 17,285 | $1.6M | 2026-05-28 |
| 2026-06-17 | S, sale reported on Form 4 | 6,204 | $421.1K | 2026-06-18 |
| 2026-07-01 | S, sale reported on Form 4 | 16,250 | $1.5M | 2026-07-02 |
| 2026-09-17 | S, sale reported on Form 4 | 6,086 | $394.6K | 2026-09-18 |
Counted from the Form 4 filings this reporting owner (SEC CIK 1558686) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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