| $255M | ||
| $48M | ||
| $38M | ||
| $37M | ||
| $34M | ||
| $34M |
Buys | $0 | 0 | 0 |
Sells | $16,883,618 | 36 | 100 |
| Schwarting Elizabeth M | director | 0 | $0 | 1 | $45,163 | $-45,163 |
| PAISLEY CHRISTOPHER B | director | 0 | $0 | 3 | $69,283 | $-69,283 |
| Lee Chan W | Chief Operations Officer | 0 | $0 | 5 | $1.11M | $-1.11M |
| Chen Yun-Lung | VP, Business Development and | 0 | $0 | 2 | $1.13M | $-1.13M |
| Young John Alexander | CFO | 0 | $0 | 9 | $1.69M | $-1.69M |
| Ju Chi-Hong | Senior VP, Systems & GM, Asia | 0 | $0 | 8 | $2.76M | $-2.76M |
| Wang Feng-Ming | CEO | 0 | $0 | 8 | $10.07M | $-10.07M |
Ambarella, Inc. is a global semiconductor company specializing in advanced video processing technology. They develop chips that facilitate high-definition (HD) and ultra-HD (UHD) video compression, sophisticated image manipulation, and cutting-edge deep learning capabilities. Their core offering comprises highly integrated system-on-a-chip (SoC) designs. These single-chip solutions seamlessly combine HD video and image processing, artificial intelligence (AI) computer vision, audio processing, and various system functions, resulting in superior …
Over the last 12 months, insiders at Ambarella, Inc. have bought $0 and sold $16.88M worth of Ambarella, Inc. stock.
On average, over the past 5 years, insiders at Ambarella, Inc. have bought $1.01M and sold $14.21M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 11,455 shares for transaction amount of $1.01M was made by VERHALEN ANDREW W () on 2022‑03‑07.
| 2026-09-25 | Sale | PAISLEY CHRISTOPHER B | director | 250 0.0006% | $70.76 | $17,690 | -10.11% | |
| 2026-09-18 | Sale | Young John Alexander | CFO | 1,896 0.0044% | $67.28 | $127,563 | +0.36% | |
| 2026-09-17 | Sale | Wang Feng-Ming | CEO | 6,086 0.0134% | $64.83 | $394,555 | -0.96% | |
| 2026-09-17 | Sale | Lee Chan W | Chief Operations Officer | 2,893 0.0064% | $64.83 | $187,553 | -0.96% | |
| 2026-09-17 | Sale | Ju Chi-Hong | Senior VP, Systems & GM | 2,009 0.0044% | $64.83 | $130,243 | -0.96% | |
| 2026-09-17 | Sale | Young John Alexander | CFO | 3,126 0.0069% | $64.83 | $202,659 | -0.96% | |
| 2026-07-09 | Sale | Chen Yun-Lung | VP, Business Dev. & Marketing | 5,958 0.0136% | $78.66 | $468,656 | -12.66% | |
| 2026-07-01 | Sale | Wang Feng-Ming | CEO | 16,250 0.0378% | $90.08 | $1.46M | -22.20% | |
| 2026-07-01 | Sale | Ju Chi-Hong | Senior VP, Systems & GM | 10,000 0.0229% | $88.84 | $888,400 | -22.20% | |
| 2026-06-26 | Sale | PAISLEY CHRISTOPHER B | director | 250 0.0006% | $62.01 | $15,503 | +10.68% | |
| 2026-06-17 | Sale | Wang Feng-Ming | CEO | 6,204 0.0146% | $67.87 | $421,065 | +4.29% | |
| 2026-06-17 | Sale | Ju Chi-Hong | Senior VP, Systems & GM | 2,017 0.0047% | $67.87 | $136,894 | +4.29% | |
| 2026-06-17 | Sale | Lee Chan W | Chief Operations Officer | 2,951 0.0069% | $67.87 | $200,284 | +4.29% | |
| 2026-06-17 | Sale | Young John Alexander | CFO | 5,033 0.0118% | $67.54 | $339,946 | +4.29% | |
| 2026-06-12 | Sale | Chen Yun-Lung | VP, Business Development and | 9,856 0.0222% | $67.06 | $660,943 | +1.33% | |
| 2026-05-26 | Sale | Wang Feng-Ming | CEO | 32,500 0.0744% | $91.01 | $2.96M | -26.55% | |
| 2026-05-26 | Sale | Young John Alexander | CFO | 400 0.001% | $96.00 | $38,400 | -26.55% | |
| 2026-04-21 | Sale | Young John Alexander | CFO | 1,971 0.0045% | $60.00 | $118,260 | +15.02% | |
| 2026-03-19 | Sale | Wang Feng-Ming | CEO | 8,083 0.0182% | $54.14 | $437,614 | +21.99% | |
| 2026-03-19 | Sale | Ju Chi-Hong | Senior VP, Systems & GM, Asia | 2,155 0.0049% | $54.14 | $116,672 | +21.99% |
| VERHALEN ANDREW W | 11455 0.026% | $710,210.00 | 1 | 5 | <0.0001% |
$51,368,869 | 76 | 0.70% | $320.07B | |
$41,019,040 | 35 | 51.90% | $4,981.23B | |
$13,184,403 | 24 | 12.48% | $203.42B | |
$14,781,792 | 22 | 15.65% | $789.95B | |
$219,947,632 | 18 | 12.49% | $1,585.47B |
| Increased Positions | 167 | +42.07% | 7M | +18.17% |
| Decreased Positions | 175 | -44.08% | 4M | -11.7% |
| New Positions | 63 | New | 2M | New |
| Sold Out Positions | 56 | Sold Out | 976,925 | Sold Out |
| Total Postitions | 389 | -2.02% | 38M | +6.47% |
| Vanguard Group Inc | $388,475.00 | 12.02% | 5.17M | +4,510 | +0.09% | 2025-09-30 |
| Blackrock, Inc. | $294,796.00 | 9.12% | 3.92M | +4,463 | +0.11% | 2025-09-30 |
| State Street Corp | $126,333.00 | 3.91% | 1.68M | -174,315 | -9.4% | 2025-09-30 |
| Jericho Capital Asset Management L.P. | $91,195.00 | 2.82% | 1.21M | +114,865 | +10.46% | 2025-09-30 |
| Fuller & Thaler Asset Management, Inc. | $83,253.00 | 2.58% | 1.11M | +90,386 | +8.88% | 2025-09-30 |
| Geode Capital Management, Llc | $74,034.00 | 2.29% | 985,017 | +8,736 | +0.9% | 2025-09-30 |
| Morgan Stanley | $72,041.00 | 2.23% | 958,506 | +166,378 | +21% | 2025-09-30 |
| Kodai Capital Management Lp | $67,985.00 | 2.1% | 904,536 | +125,983 | +16.18% | 2025-03-31 |
| Manufacturers Life Insurance Company, The | $64,128.00 | 1.98% | 853,215 | -518,296 | -37.79% | 2025-09-30 |
| Ubs Group Ag | $61,763.00 | 1.91% | 821,747 | +650,306 | +379.32% | 2025-09-30 |