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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| T | 2026-09-21 17:57 | 2026-09-18 | AMBA | Young John Alexander | CFO | S - Sale | $67.28 | -1,896 | 107.8K | -2% | -$127.6K |
| 2026-09-18 16:51 | 2026-09-17 | AMBA | Wang Feng-Ming | CEO, Dir | S - Sale | $64.83 | -6,086 | 767.8K | -0.8% | -$394.6K | |
| 2026-09-18 16:50 | 2026-09-17 | AMBA | Ju Chi-Hong | Senior VP, Systems, GM | S - Sale | $64.83 | -2,009 | 154.2K | -1% | -$130.2K | |
| 2026-09-18 16:50 | 2026-09-17 | AMBA | Lee Chan W | Chief Ops Off | S - Sale | $64.83 | -2,893 | 154.4K | -2% | -$187.6K | |
| 2026-09-18 16:50 | 2026-09-17 | AMBA | Young John Alexander | CFO | S - Sale | $64.83 | -3,126 | 109.7K | -3% | -$202.7K | |
| 2026-09-10 17:36 | 2026-09-08 | AMBA | Hu Chenming | Dir | A - Grant | $0.00 | +3,151 | 32.7K | +11% | $0 | |
| 2026-09-10 16:49 | 2026-09-08 | AMBA | Bryant Gregory M | Dir | A - Grant | $0.00 | +3,151 | 5,608 | +128% | $0 | |
| 2026-09-10 16:48 | 2026-09-08 | AMBA | Breithaupt Chantelle Yvette | Dir | A - Grant | $0.00 | +3,151 | 8,091 | +64% | $0 | |
| 2026-09-10 16:48 | 2026-09-08 | AMBA | Schwarting Elizabeth M | Dir | A - Grant | $0.00 | +3,151 | 9,841 | +47% | $0 | |
| 2026-09-10 16:48 | 2026-09-08 | AMBA | Hon Hsiao-Wuen | Dir | A - Grant | $0.00 | +3,151 | 33.9K | +10% | $0 | |
| 2026-09-10 16:48 | 2026-09-08 | AMBA | RICHARDSON DAVID JEFFREY | Dir | A - Grant | $0.00 | +3,151 | 5,649 | +126% | $0 | |
| 2026-09-10 16:47 | 2026-09-08 | AMBA | PAISLEY CHRISTOPHER B | Dir | A - Grant | $0.00 | +3,151 | 44.2K | +8% | $0 | |
| 2026-07-10 16:55 | 2026-07-09 | AMBA | Chen Yun-Lung | VP, Business Dev, Marketing | S - Sale | $78.66 | -5,958 | 60.6K | -9% | -$468.7K | |
| 2026-07-02 16:58 | 2026-07-01 | AMBA | Ju Chi-Hong | Senior VP, Systems, GM | S - Sale | $88.84 | -10.0K | 155.9K | -6% | -$888.4K | |
| T | 2026-07-02 16:57 | 2026-07-01 | AMBA | Wang Feng-Ming | CEO, Dir | S - Sale | $90.08 | -16.2K | 773.6K | -2% | -$1.46M |
| T | 2026-06-30 17:17 | 2026-06-26 | AMBA | PAISLEY CHRISTOPHER B | Dir | S - Sale | $62.01 | -250 | 41.0K | -0.6% | -$15.5K |
| MT | 2026-06-18 16:55 | 2026-06-17 | AMBA | Young John Alexander | CFO | S - Sale | $67.54 | -5,033 | 112.6K | -4% | -$339.9K |
| 2026-06-18 16:55 | 2026-06-17 | AMBA | Lee Chan W | Chief Ops Off | S - Sale | $67.87 | -2,951 | 157.1K | -2% | -$200.3K | |
| 2026-06-18 16:54 | 2026-06-17 | AMBA | Ju Chi-Hong | Senior VP, Systems, GM | S - Sale | $67.87 | -2,017 | 165.9K | -1% | -$136.9K | |
| 2026-06-18 16:54 | 2026-06-17 | AMBA | Wang Feng-Ming | CEO, Dir | S - Sale | $67.87 | -6,204 | 799.9K | -0.8% | -$421.1K | |
| 2026-06-18 16:54 | 2026-06-17 | AMBA | Wang Feng-Ming | CEO, Dir | G - Gift | $0.00 | -10.0K | 789.9K | -1% | $0 | |
| 2026-06-16 16:57 | 2026-06-12 | AMBA | Chen Yun-Lung | VP, Business Development | S - Sale | $67.06 | -9,856 | 66.5K | -13% | -$660.9K | |
| DT | 2026-05-28 20:02 | 2026-05-26 | AMBA | Young John Alexander | CFO | M - OptEx | $55.80 | +400 | 118.0K | +0.3% | +$22.3K |
| DT | 2026-05-28 20:02 | 2026-05-26 | AMBA | Young John Alexander | CFO | S - Sale+OE | $96.00 | -400 | 117.6K | -0.3% | -$38.4K |
| MT | 2026-05-28 20:02 | 2026-05-26 | AMBA | Wang Feng-Ming | CEO, Dir | S - Sale | $91.01 | -32.5K | 806.1K | -4% | -$2.96M |
| T | 2026-04-22 19:33 | 2026-04-21 | AMBA | Young John Alexander | CFO | S - Sale | $60.00 | -1,971 | 117.6K | -2% | -$118.3K |
| D | 2026-03-19 | 2026-03-17 | AMBA | Lee Chan W | Chief Ops Off | M - OptEx | — | +13.7K | 163.1K | +9% | — |
| DM | 2026-03-19 | 2026-03-17+ | AMBA | Lee Chan W | Chief Ops Off | S - Sale+OE | $53.25 | -10.4K | 160.0K | -6% | -$552.2K |
| D | 2026-03-19 | 2026-03-18 | AMBA | Lee Chan W | Chief Ops Off | A - Grant | $0.00 | +7,320 | 163.7K | +5% | $0 |
| D | 2026-03-19 | 2026-03-17 | AMBA | Ju Chi-Hong | Senior VP, Systems, GM, Asia | M - OptEx | — | +9,553 | 168.9K | +6% | — |
| DM | 2026-03-19 | 2026-03-17+ | AMBA | Ju Chi-Hong | Senior VP, Systems, GM, Asia | S - Sale+OE | $53.20 | -6,884 | 167.9K | -4% | -$366.2K |
| D | 2026-03-19 | 2026-03-18 | AMBA | Ju Chi-Hong | Senior VP, Systems, GM, Asia | A - Grant | $0.00 | +5,930 | 170.1K | +4% | $0 |
| D | 2026-03-19 | 2026-03-17 | AMBA | Young John Alexander | CFO | M - OptEx | — | +3,556 | 121.6K | +3% | — |
| D | 2026-03-19 | 2026-03-18 | AMBA | Young John Alexander | CFO | A - Grant | $0.00 | +5,560 | 122.6K | +5% | $0 |
| DM | 2026-03-19 | 2026-03-17+ | AMBA | Young John Alexander | CFO | S - Sale+OE | $53.32 | -7,615 | 119.6K | -6% | -$406.0K |
| D | 2026-03-19 | 2026-03-18 | AMBA | Chen Yun-Lung | VP, Business Development, M | A - Grant | $0.00 | +2,849 | 76.4K | +4% | $0 |
| D | 2026-03-19 | 2026-03-17 | AMBA | Chen Yun-Lung | VP, Business Development, M | M - OptEx | — | +4,651 | 73.5K | +7% | — |
| D | 2026-03-19 | 2026-03-17 | AMBA | Wang Feng-Ming | CEO, Dir | M - OptEx | — | +27.6K | 849.9K | +3% | — |
| DM | 2026-03-19 | 2026-03-17+ | AMBA | Wang Feng-Ming | CEO, Dir | S - Sale+OE | $53.18 | -27.1K | 838.6K | -3% | -$1.44M |
| D | 2026-03-19 | 2026-03-18 | AMBA | Wang Feng-Ming | CEO, Dir | A - Grant | $0.00 | +15.7K | 846.6K | +2% | $0 |
| D | 2026-03-04 | 2026-03-02 | AMBA | Young John Alexander | CFO | A - Grant | $0.00 | +15.2K | 117.9K | +15% | $0 |
| DM | 2026-03-04 | 2026-03-02 | AMBA | Wang Feng-Ming | CEO, Dir | S - Sale+OE | $60.80 | -50.0K | 816.1K | -6% | -$3.04M |
| D | 2026-03-04 | 2026-03-02 | AMBA | Wang Feng-Ming | CEO, Dir | A - Grant | $0.00 | +53.2K | 822.2K | +7% | $0 |
| D | 2026-03-04 | 2026-03-02 | AMBA | Wang Feng-Ming | CEO, Dir | M - OptEx | $41.36 | +50.0K | 819.0K | +7% | +$2.07M |
| D | 2026-03-04 | 2026-03-02 | AMBA | Chen Yun-Lung | VP, Business Development, M | A - Grant | $0.00 | +7,220 | 68.9K | +12% | $0 |
| D | 2026-03-04 | 2026-03-02 | AMBA | Ju Chi-Hong | Senior VP, Systems, GM, Asia | A - Grant | $0.00 | +17.3K | 159.2K | +12% | $0 |
| 2026-03-04 | 2026-03-02 | AMBA | Bryant Gregory M | Dir | A - Grant | $0.00 | +2,457 | 2,457 | New | $0 | |
| D | 2026-03-04 | 2026-03-02 | AMBA | Lee Chan W | Chief Ops Off | A - Grant | $0.00 | +24.7K | 149.3K | +20% | $0 |
| A | 2026-01-23 | 2025-12-30 | AMBA | Ju Chi-Hong | Senior VP, Systems, GM, Asia | S - Sale | $70.25 | -7,945 | 149.6K | -5% | -$558.1K |
| 2026-01-07 | 2026-01-05 | AMBA | Ju Chi-Hong | Senior VP, Systems, GM, Asia | S - Sale | $75.58 | -7,728 | 146.0K | -5% | -$584.1K | |
| 2025-12-31 | 2025-12-30 | AMBA | Ju Chi-Hong | Senior VP, Systems, GM, Asia | S - Sale | $70.32 | -3,765 | 153.8K | -2% | -$264.8K | |
| 2025-12-29 | 2025-12-26 | AMBA | PAISLEY CHRISTOPHER B | Dir | S - Sale | $72.18 | -500 | 41.3K | -1% | -$36.1K | |
| 2025-12-19 | 2025-12-17 | AMBA | Ju Chi-Hong | Senior VP, Systems, GM, Asia | S - Sale | $71.82 | -1,342 | 157.5K | -0.8% | -$96.4K | |
| 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 | |
| 2025-12-19 | 2025-12-17 | AMBA | Lee Chan W | Chief Ops Off | S - Sale | $71.82 | -2,406 | 124.6K | -2% | -$172.8K | |
| M | 2025-12-19 | 2025-12-17+ | AMBA | Young John Alexander | CFO | S - Sale | $72.50 | -6,370 | 102.7K | -6% | -$461.8K |
| 2025-12-18 | 2025-12-16 | AMBA | Schwarting Elizabeth M | Dir | S - Sale | $72.38 | -624 | 6,690 | -9% | -$45.2K | |
| 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 |
| M | 2025-10-15 | 2025-10-13+ | AMBA | Ju Chi-Hong | Senior VP, Systems, GM, Asia | S - Sale | $81.11 | -11.2K | 158.9K | -7% | -$909.5K |
| 2025-10-08 | 2025-10-06 | AMBA | Schwarting Elizabeth M | Dir | S - Sale | $85.38 | -2,664 | 7,314 | -27% | -$227.5K | |
| 2025-09-19 | 2025-09-17 | AMBA | Wang Feng-Ming | CEO, Dir | S - Sale | $79.43 | -4,928 | 788.9K | -0.6% | -$391.4K | |
| 2025-09-19 | 2025-09-17 | AMBA | Lee Chan W | COO | S - Sale | $79.43 | -1,947 | 127.0K | -2% | -$154.7K | |
| 2025-09-19 | 2025-09-17 | AMBA | Young John Alexander | CFO | S - Sale | $79.43 | -2,566 | 109.1K | -2% | -$203.8K | |
| 2025-09-19 | 2025-09-17 | AMBA | Ju Chi-Hong | Sr. VP, Systems | S - Sale | $79.43 | -1,168 | 170.1K | -0.7% | -$92.8K | |
| 2025-09-19 | 2025-09-17 | AMBA | Kohn Leslie | CTO, Dir | S - Sale | $79.43 | -2,249 | 977.4K | -0.2% | -$178.6K | |
| 2025-09-12 | 2025-09-10 | AMBA | Chen Yun-Lung | VP, Business Development | S - Sale | $84.42 | -8,492 | 61.7K | -12% | -$716.9K | |
| 2025-09-04 | 2025-09-02 | AMBA | RICHARDSON DAVID JEFFREY | Dir | A - Grant | $0.00 | +2,498 | 5,029 | +99% | $0 | |
| 2025-09-04 | 2025-09-02 | AMBA | Hon Hsiao-Wuen | Dir | A - Grant | $0.00 | +2,498 | 30.8K | +9% | $0 | |
| 2025-09-04 | 2025-09-02 | AMBA | PAISLEY CHRISTOPHER B | Dir | A - Grant | $0.00 | +2,498 | 41.8K | +6% | $0 | |
| 2025-09-04 | 2025-09-02 | AMBA | Breithaupt Chantelle Yvette | Dir | A - Grant | $0.00 | +2,498 | 4,940 | +102% | $0 | |
| 2025-09-04 | 2025-09-02 | AMBA | Schwarting Elizabeth M | Dir | A - Grant | $0.00 | +2,498 | 9,978 | +33% | $0 | |
| 2025-09-04 | 2025-09-02 | AMBA | Hu Chenming | Dir | A - Grant | $0.00 | +2,498 | 29.5K | +9% | $0 | |
| 2025-06-27 | 2025-06-25 | AMBA | PAISLEY CHRISTOPHER B | Dir | S - Sale | $62.58 | -1,000 | 39.3K | -2% | -$62.6K | |
| 2025-06-20 | 2025-06-17 | AMBA | Wang Feng-Ming | CEO, Dir | S - Sale | $52.26 | -4,677 | 793.6K | -0.6% | -$244.4K | |
| 2025-06-20 | 2025-06-17 | AMBA | Lee Chan W | COO | S - Sale | $52.26 | -1,601 | 128.7K | -1% | -$83.7K | |
| 2025-06-20 | 2025-06-17 | AMBA | Kohn Leslie | CTO, Dir | S - Sale | $52.26 | -1,715 | 979.7K | -0.2% | -$89.6K | |
| 2025-06-20 | 2025-06-17 | AMBA | Ju Chi-Hong | Sr. VP, Systems | S - Sale | $52.26 | -1,108 | 171.0K | -0.6% | -$57.9K | |
| 2025-06-20 | 2025-06-17 | AMBA | Day Christopher | VP, Marketing | S - Sale | $52.26 | -342 | 15.1K | -2% | -$17.9K | |
| 2025-06-20 | 2025-06-17 | AMBA | Young John Alexander | CFO | S - Sale | $52.26 | -2,435 | 111.5K | -2% | -$127.3K | |
| 2025-03-26 | 2025-03-25 | AMBA | PAISLEY CHRISTOPHER B | Dir | S - Sale | $55.50 | -500 | 40.3K | -1% | -$27.8K | |
| 2025-03-20 | 2025-03-18 | AMBA | Kohn Leslie | CTO, Dir | S - Sale | $55.02 | -1,584 | 981.4K | -0.2% | -$87.2K | |
| 2025-03-20 | 2025-03-18 | AMBA | Wang Feng-Ming | CEO, Dir | S - Sale | $55.02 | -3,194 | 798.3K | -0.4% | -$175.7K | |
| 2025-03-20 | 2025-03-18 | AMBA | Young John Alexander | CFO | S - Sale | $55.02 | -2,103 | 113.9K | -2% | -$115.7K | |
| 2025-03-20 | 2025-03-18 | AMBA | Ju Chi-Hong | Sr. VP, Systems | S - Sale | $55.02 | -1,034 | 172.1K | -0.6% | -$56.9K | |
| 2025-03-20 | 2025-03-18 | AMBA | Lee Chan W | COO | S - Sale | $55.02 | -1,468 | 130.3K | -1% | -$80.8K | |
| 2025-03-20 | 2025-03-18 | AMBA | Day Christopher | VP, Marketing | S - Sale | $55.02 | -479 | 15.4K | -3% | -$26.4K | |
| 2025-03-18 | 2025-03-17 | AMBA | Schwarting Elizabeth M | Dir | D - Sale to Iss | $55.90 | -422 | 7,480 | -5% | -$23.6K | |
| DM | 2025-03-07 | 2025-02-28+ | AMBA | Lee Chan W | COO | A - Grant | $0.00 | +23.7K | 128.2K | +23% | $0 |
| D | 2025-03-07 | 2025-03-06 | AMBA | Lee Chan W | COO | S - Sale | $55.11 | -2,108 | 131.5K | -2% | -$116.2K |
| DM | 2025-03-07 | 2025-02-28+ | AMBA | Wang Feng-Ming | CEO, Dir | A - Grant | $0.00 | +50.1K | 805.4K | +7% | $0 |
| D | 2025-03-07 | 2025-03-06 | AMBA | Wang Feng-Ming | CEO, Dir | S - Sale | $55.11 | -4,104 | 801.3K | -0.5% | -$226.2K |
| D | 2025-03-07 | 2025-03-06 | AMBA | Young John Alexander | CFO | S - Sale | $55.11 | -2,663 | 115.8K | -2% | -$146.8K |
| DM | 2025-03-07 | 2025-02-28+ | AMBA | Young John Alexander | CFO | A - Grant | $0.00 | +17.0K | 118.4K | +17% | $0 |
| D | 2025-03-07 | 2025-03-06 | AMBA | Ju Chi-Hong | Sr. VP, Systems | S - Sale | $55.11 | -1,859 | 172.9K | -1% | -$102.4K |
| DM | 2025-03-07 | 2025-02-28+ | AMBA | Ju Chi-Hong | Sr. VP, Systems | A - Grant | $0.00 | +17.2K | 170.0K | +11% | $0 |
| 2025-03-07 | 2025-03-06 | AMBA | Day Christopher | VP, Marketing | S - Sale | $55.11 | -834 | 15.7K | -5% | -$46.0K | |
| 2025-03-07 | 2025-03-05 | AMBA | Day Christopher | VP, Marketing | A - Grant | $0.00 | +1,990 | 16.5K | +14% | $0 | |
| DM | 2025-03-07 | 2025-02-28+ | AMBA | Chen Yun-Lung | VP, Business Development | A - Grant | $0.00 | +8,117 | 67.9K | +14% | $0 |
Purchase Sale Sale after option exercise All abbreviations