AMBA AMBARELLA INC
Nasdaq · SEC CIK 1280263 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $18.27M 33 sales by 7 insiders
- Filings on record
- 376 since 2021-07-20, latest 2026-09-21 17:57
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Wang Feng-Ming | CEO, Dir | — | $10.07M |
| Ju Chi-Hong | Senior VP, Systems, GM, Asia | — | $3.93M |
| Young John Alexander | CFO | — | $1.69M |
| Chen Yun-Lung | VP, Business Development, M | — | $1.13M |
| Lee Chan W | Chief Ops Off | — | $1.11M |
| Schwarting Elizabeth M | Dir | — | $272.6K |
| PAISLEY CHRISTOPHER B | Dir | — | $51.6K |
| Breithaupt Chantelle Yvette | Dir | — | — |
| Bryant Gregory M | Dir | — | — |
| Hon Hsiao-Wuen | Dir | — | — |
Transactions 433
| 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 |
| 2025-01-17 | 2025-01-15 | AMBA | RICHARDSON DAVID JEFFREY | Dir | G - Gift | $0.00 | -1,648 | 2,531 | -39% | $0 | |
| I | 2025-01-17 | 2025-01-15 | AMBA | RICHARDSON DAVID JEFFREY | Dir | G - Gift | $0.00 | +1,648 | 23.3K | +8% | $0 |
| M | 2025-01-17 | 2025-01-15+ | AMBA | Lee Chan W | COO | S - Sale | $76.56 | -2,000 | 109.9K | -2% | -$153.1K |
| M | 2025-01-14 | 2025-01-10+ | AMBA | Lee Chan W | COO | S - Sale | $74.43 | -3,000 | 112.9K | -3% | -$223.3K |
| M | 2025-01-08 | 2025-01-06+ | AMBA | Lee Chan W | COO | S - Sale | $77.12 | -3,000 | 115.9K | -3% | -$231.4K |
| 2025-01-07 | 2025-01-03 | AMBA | Day Christopher | VP, Marketing | S - Sale | $78.10 | -1,247 | 14.5K | -8% | -$97.4K | |
| M | 2025-01-03 | 2025-01-02+ | AMBA | Lee Chan W | COO | S - Sale | $74.19 | -2,000 | 117.9K | -2% | -$148.4K |
| 2024-12-26 | 2024-12-26 | AMBA | PAISLEY CHRISTOPHER B | Dir | S - Sale | $73.80 | -1,500 | 40.8K | -4% | -$110.7K | |
| M | 2024-12-20 | 2024-12-18 | AMBA | Day Christopher | VP, Marketing | S - Sale | $75.40 | -929 | 16.6K | -5% | -$70.0K |
| 2024-12-20 | 2024-12-18 | AMBA | Schwarting Elizabeth M | Dir | S - Sale | $71.55 | -253 | 7,902 | -3% | -$18.1K | |
| 2024-12-18 | 2024-12-16 | AMBA | Wang Feng-Ming | CEO, Dir | S - Sale | $75.41 | -4,296 | 755.2K | -0.6% | -$324.0K | |
| 2024-12-18 | 2024-12-16 | AMBA | Ju Chi-Hong | Sr. VP, Systems | S - Sale | $75.41 | -1,048 | 157.6K | -0.7% | -$79.0K | |
| 2024-12-18 | 2024-12-16 | AMBA | Day Christopher | VP, Marketing | S - Sale | $75.41 | -482 | 16.7K | -3% | -$36.3K | |
| 2024-12-18 | 2024-12-16 | AMBA | Young John Alexander | CFO | S - Sale | $75.41 | -2,136 | 101.4K | -2% | -$161.1K | |
| 2024-12-18 | 2024-12-16 | AMBA | Kohn Leslie | CTO, Dir | S - Sale | $75.41 | -1,757 | 959.7K | -0.2% | -$132.5K | |
| 2024-12-18 | 2024-12-16 | AMBA | Lee Chan W | COO | S - Sale | $75.41 | -1,488 | 119.9K | -1% | -$112.2K | |
| 2024-12-16 | 2024-12-13 | AMBA | Hon Hsiao-Wuen | Dir | S - Sale | $74.15 | -377 | 28.3K | -1% | -$28.0K | |
| M | 2024-12-10 | 2024-12-09 | AMBA | Ju Chi-Hong | Sr. VP, Systems | S - Sale | $75.71 | -5,118 | 161.7K | -3% | -$387.5K |
| 2024-12-10 | 2024-12-09 | AMBA | Ju Chi-Hong | Sr. VP, Systems | G - Gift | $0.00 | -593 | 163.8K | -0.4% | $0 | |
| 2024-12-06 | 2024-12-04 | AMBA | Ju Chi-Hong | Sr. VP, Systems | G - Gift | $0.00 | -5,000 | 164.4K | -3% | $0 | |
| I | 2024-12-06 | 2024-12-04 | AMBA | Ju Chi-Hong | Sr. VP, Systems | G - Gift | $0.00 | +5,000 | 8,000 | +167% | $0 |
| 2024-12-03 | 2024-12-02 | AMBA | Day Christopher | VP, Marketing | S - Sale | $71.61 | -1,278 | 17.2K | -7% | -$91.5K | |
| 2024-10-09 | 2024-10-07 | AMBA | Wang Feng-Ming | CEO, Dir | G - Gift | $0.00 | -40.0K | 759.5K | -5% | $0 | |
| 2024-10-04 | 2024-10-03 | AMBA | Day Christopher | VP, Marketing | S - Sale | $58.00 | -2,904 | 18.5K | -14% | -$168.4K | |
| 2024-09-26 | 2024-09-25 | AMBA | PAISLEY CHRISTOPHER B | Dir | S - Sale | $53.71 | -500 | 42.3K | -1% | -$26.9K | |
| 2024-09-25 | 2024-09-24 | AMBA | Schwarting Elizabeth M | Dir | S - Sale | $54.74 | -913 | 8,155 | -10% | -$50.0K | |
| 2024-09-19 | 2024-09-17 | AMBA | Day Christopher | VP, Marketing | S - Sale | $53.54 | -483 | 21.4K | -2% | -$25.9K | |
| 2024-09-19 | 2024-09-17 | AMBA | Young John Alexander | CFO | S - Sale | $53.54 | -2,139 | 103.5K | -2% | -$114.5K | |
| 2024-09-19 | 2024-09-17 | AMBA | Lee Chan W | COO | S - Sale | $53.54 | -1,490 | 121.4K | -1% | -$79.8K | |
| 2024-09-19 | 2024-09-17 | AMBA | Wang Feng-Ming | CEO, Dir | S - Sale | $53.54 | -4,301 | 799.5K | -0.5% | -$230.3K | |
| 2024-09-19 | 2024-09-17 | AMBA | Ju Chi-Hong | Sr. VP, Systems | S - Sale | $53.54 | -1,050 | 172.4K | -0.6% | -$56.2K | |
| 2024-09-19 | 2024-09-17 | AMBA | Kohn Leslie | CTO, Dir | S - Sale | $53.54 | -1,608 | 961.4K | -0.2% | -$86.1K | |
| 2024-09-18 | 2024-09-16 | AMBA | Schwarting Elizabeth M | Dir | S - Sale | $53.16 | -240 | 9,068 | -3% | -$12.8K | |
| DM | 2024-09-06 | 2024-09-04+ | AMBA | Wang Feng-Ming | CEO, Dir | S - Sale+OE | $54.87 | -36.0K | 803.6K | -4% | -$1.98M |
| DM | 2024-09-06 | 2024-09-04+ | AMBA | Wang Feng-Ming | CEO, Dir | M - OptEx | $38.92 | +36.0K | 835.2K | +5% | +$1.40M |
| D | 2024-09-05 | 2024-09-03 | AMBA | Chen Yun-Lung | VP, Business Development | S - Sale+OE | $57.56 | -5,963 | 62.0K | -9% | -$343.2K |
| D | 2024-09-05 | 2024-09-03 | AMBA | Chen Yun-Lung | VP, Business Development | M - OptEx | $38.92 | +5,963 | 68.0K | +10% | +$232.1K |
| 2024-08-30 | 2024-08-29 | AMBA | RICHARDSON DAVID JEFFREY | Dir | A - Grant | $0.00 | +3,374 | 4,179 | +419% | $0 | |
| 2024-08-30 | 2024-08-29 | AMBA | Hon Hsiao-Wuen | Dir | A - Grant | $0.00 | +3,374 | 28.7K | +13% | $0 | |
| 2024-08-30 | 2024-08-29 | AMBA | Hu Chenming | Dir | A - Grant | $0.00 | +3,374 | 27.0K | +14% | $0 | |
| 2024-08-30 | 2024-08-29 | AMBA | De Greef-Safft Anne | Dir | A - Grant | $0.00 | +3,374 | 10.8K | +46% | $0 | |
| 2024-08-30 | 2024-08-29 | AMBA | PAISLEY CHRISTOPHER B | Dir | A - Grant | $0.00 | +3,374 | 42.8K | +9% | $0 | |
| 2024-08-30 | 2024-08-29 | AMBA | Schwarting Elizabeth M | Dir | A - Grant | $0.00 | +3,374 | 9,308 | +57% | $0 | |
| 2024-07-10 | 2024-07-08 | AMBA | Day Christopher | VP, Marketing | S - Sale | $61.66 | -1,408 | 21.6K | -6% | -$86.8K | |
| I | 2024-06-28 | 2024-06-26 | AMBA | RICHARDSON DAVID JEFFREY | Dir | G - Gift | $0.00 | +21.6K | 21.6K | New | $0 |
| 2024-06-28 | 2024-06-26 | AMBA | RICHARDSON DAVID JEFFREY | Dir | G - Gift | $0.00 | -21.6K | 805 | -96% | $0 | |
| 2024-06-27 | 2024-06-26 | AMBA | Ju Chi-Hong | Sr. VP, Systems | S - Sale | $52.90 | -6,000 | 173.2K | -3% | -$317.4K | |
| D | 2024-06-24 | 2024-06-21 | AMBA | Ju Chi-Hong | Sr. VP, Systems | S - Sale+OE | $55.53 | -8,900 | 179.2K | -5% | -$494.2K |
| D | 2024-06-24 | 2024-06-21 | AMBA | Ju Chi-Hong | Sr. VP, Systems | M - OptEx | $38.92 | +8,900 | 188.1K | +5% | +$346.4K |
| 2024-06-20 | 2024-06-18 | AMBA | Wang Feng-Ming | CEO, Dir | S - Sale | $55.48 | -3,058 | 803.6K | -0.4% | -$169.7K | |
| 2024-06-20 | 2024-06-17 | AMBA | Schwarting Elizabeth M | Dir | S - Sale | $55.56 | -230 | 5,934 | -4% | -$12.8K | |
| 2024-06-20 | 2024-06-18 | AMBA | Day Christopher | VP, Marketing | S - Sale | $55.48 | -487 | 23.0K | -2% | -$27.0K | |
| 2024-06-20 | 2024-06-18 | AMBA | Young John Alexander | CFO | S - Sale | $55.48 | -2,157 | 105.4K | -2% | -$119.7K | |
| 2024-06-20 | 2024-06-18 | AMBA | Kohn Leslie | CTO, Dir | S - Sale | $55.48 | -1,623 | 963.0K | -0.2% | -$90.0K | |
| 2024-06-20 | 2024-06-18 | AMBA | Lee Chan W | COO | S - Sale | $55.48 | -1,504 | 122.6K | -1% | -$83.4K | |
| 2024-06-20 | 2024-06-18 | AMBA | Ju Chi-Hong | Sr. VP, Systems | S - Sale | $55.48 | -1,059 | 179.2K | -0.6% | -$58.8K | |
| M | 2024-06-11 | 2024-06-07+ | AMBA | Ju Chi-Hong | Sr. VP, Systems | S - Sale | $57.11 | -4,191 | 182.1K | -2% | -$239.4K |
| 2024-03-21 | 2024-03-20 | AMBA | Schwarting Elizabeth M | Dir | S - Sale | $49.47 | -240 | 6,164 | -4% | -$11.9K | |
| 2024-03-20 | 2024-03-18 | AMBA | Lee Chan W | COO | S - Sale | $49.27 | -1,075 | 124.1K | -0.9% | -$53.0K | |
| 2024-03-20 | 2024-03-18 | AMBA | Kohn Leslie | CTO, Dir | S - Sale | $49.27 | -1,198 | 964.7K | -0.1% | -$59.0K | |
| 2024-03-20 | 2024-03-18 | AMBA | Young John Alexander | CFO | S - Sale | $49.27 | -1,546 | 107.6K | -1% | -$76.2K | |
| 2024-03-20 | 2024-03-18 | AMBA | Day Christopher | VP, Marketing | S - Sale | $49.27 | -416 | 23.5K | -2% | -$20.5K | |
| 2024-03-20 | 2024-03-18 | AMBA | Ju Chi-Hong | Sr. VP, Systems | S - Sale | $49.27 | -778 | 184.4K | -0.4% | -$38.3K | |
| 2024-03-20 | 2024-03-18 | AMBA | Wang Feng-Ming | CEO, Dir | S - Sale | $49.27 | -2,173 | 806.6K | -0.3% | -$107.1K | |
| 2024-03-11 | 2024-03-07 | AMBA | Young John Alexander | CFO | A - Grant | $0.00 | +1,176 | 109.6K | +1% | $0 | |
| 2024-03-11 | 2024-03-08 | AMBA | Young John Alexander | CFO | S - Sale | $57.16 | -704 | 108.9K | -0.6% | -$40.2K | |
| 2024-03-11 | 2024-03-07 | AMBA | Day Christopher | VP, Marketing | A - Grant | $0.00 | +726 | 24.0K | +3% | $0 | |
| 2024-03-11 | 2024-03-08 | AMBA | Day Christopher | VP, Marketing | S - Sale | $57.16 | -302 | 23.7K | -1% | -$17.3K | |
| 2024-03-11 | 2024-03-07 | AMBA | Ju Chi-Hong | Sr. VP, Systems | A - Grant | $0.00 | +1,224 | 185.5K | +0.7% | $0 | |
| 2024-03-11 | 2024-03-08 | AMBA | Ju Chi-Hong | Sr. VP, Systems | S - Sale | $57.16 | -509 | 185.0K | -0.3% | -$29.1K | |
| 2024-03-11 | 2024-03-07 | AMBA | Kohn Leslie | CTO, Dir | A - Grant | $0.00 | +1,705 | 966.6K | +0.2% | $0 | |
| 2024-03-11 | 2024-03-08 | AMBA | Kohn Leslie | CTO, Dir | S - Sale | $57.16 | -708 | 965.9K | -0.1% | -$40.5K | |
| 2024-03-11 | 2024-03-07 | AMBA | Lee Chan W | COO | A - Grant | $0.00 | +1,545 | 125.6K | +1% | $0 | |
| 2024-03-11 | 2024-03-08 | AMBA | Lee Chan W | COO | S - Sale | $57.16 | -642 | 125.0K | -0.5% | -$36.7K | |
| 2024-03-11 | 2024-03-07 | AMBA | Chen Yun-Lung | VP, Business Development | A - Grant | $0.00 | +726 | 62.0K | +1% | $0 | |
| 2024-03-11 | 2024-03-07 | AMBA | Wang Feng-Ming | CEO, Dir | A - Grant | $0.00 | +3,396 | 809.9K | +0.4% | $0 | |
| 2024-03-11 | 2024-03-08 | AMBA | Wang Feng-Ming | CEO, Dir | S - Sale | $57.16 | -1,297 | 808.6K | -0.2% | -$74.1K | |
| D | 2024-03-04 | 2024-02-29 | AMBA | Wang Feng-Ming | CEO, Dir | A - Grant | $0.00 | +45.9K | 806.5K | +6% | $0 |
| D | 2024-03-04 | 2024-02-29 | AMBA | Day Christopher | VP, Marketing | A - Grant | $0.00 | +7,284 | 23.3K | +46% | $0 |
| D | 2024-03-04 | 2024-02-29 | AMBA | Young John Alexander | CFO | A - Grant | $0.00 | +16.8K | 108.4K | +18% | $0 |
| D | 2024-03-04 | 2024-02-29 | AMBA | Kohn Leslie | CTO, Dir | A - Grant | $0.00 | +24.4K | 964.9K | +3% | $0 |
| D | 2024-03-04 | 2024-02-29 | AMBA | Ju Chi-Hong | Sr. VP, Systems | A - Grant | $0.00 | +15.9K | 184.3K | +9% | $0 |
| D | 2024-03-04 | 2024-02-29 | AMBA | Lee Chan W | COO | A - Grant | $0.00 | +22.8K | 124.1K | +22% | $0 |
| D | 2024-03-04 | 2024-02-29 | AMBA | Chen Yun-Lung | VP, Business Development | A - Grant | $0.00 | +7,740 | 61.3K | +14% | $0 |
| 2023-12-27 | 2023-12-26 | AMBA | PAISLEY CHRISTOPHER B | Dir | S - Sale | $63.14 | -500 | 39.4K | -1% | -$31.6K | |
| 2023-12-21 | 2023-12-18 | AMBA | Schwarting Elizabeth M | Dir | S - Sale | $62.46 | -804 | 6,404 | -11% | -$50.2K | |
| 2023-12-21 | 2023-12-19 | AMBA | Day Christopher | VP, Marketing | S - Sale | $63.04 | -360 | 16.0K | -2% | -$22.7K | |
| 2023-12-21 | 2023-12-19 | AMBA | Ju Chi-Hong | Sr. VP, Systems | S - Sale | $63.04 | -1,074 | 168.4K | -0.6% | -$67.7K | |
| 2023-12-21 | 2023-12-19 | AMBA | WHITE BRIAN C | CFO | S - Sale | $63.04 | -3,357 | 74.1K | -4% | -$211.6K | |
| 2023-12-21 | 2023-12-19 | AMBA | Lee Chan W | COO | S - Sale | $63.04 | -1,520 | 101.3K | -1% | -$95.8K | |
| 2023-12-21 | 2023-12-19 | AMBA | Kohn Leslie | CTO, Dir | S - Sale | $63.04 | -1,713 | 940.5K | -0.2% | -$108.0K | |
| 2023-12-21 | 2023-12-19 | AMBA | Wang Feng-Ming | CEO, Dir | S - Sale | $63.04 | -3,093 | 760.6K | -0.4% | -$195.0K | |
| D | 2023-12-08 | 2023-12-06 | AMBA | RICHARDSON DAVID JEFFREY | Dir | S - Sale+OE | $58.75 | -8,056 | 22.4K | -26% | -$473.3K |
| DM | 2023-12-08 | 2023-12-06 | AMBA | RICHARDSON DAVID JEFFREY | Dir | M - OptEx | $32.57 | +8,056 | 30.5K | +36% | +$262.4K |
| 2023-09-20 | 2023-09-18 | AMBA | Ju Chi-Hong | Sr. VP, Systems | S - Sale | $57.30 | -1,048 | 169.5K | -0.6% | -$60.1K | |
| 2023-09-20 | 2023-09-18 | AMBA | Kohn Leslie | CTO, Dir | S - Sale | $57.30 | -1,671 | 942.2K | -0.2% | -$95.7K | |
| 2023-09-20 | 2023-09-18 | AMBA | Lee Chan W | COO | S - Sale | $57.30 | -1,484 | 102.9K | -1% | -$85.0K | |
| 2023-09-20 | 2023-09-18 | AMBA | WHITE BRIAN C | CFO | S - Sale | $57.30 | -3,274 | 77.5K | -4% | -$187.6K |
Purchase Sale Sale after option exercise All abbreviations