Ambarella INC Stock: price and management transactions · United States · SEC (Form 4)Follow the Ambarella INC stock price and the full insider trade history of the company, a listed issuer based in United States. Shares trade on the US market, under the authority of SEC (Form 4). Operating in the Technology sector, Ambarella INC has recorded 376 insider filings. Market capitalisation: €2.9bn. The latest transaction was reported on 10 July 2026 (Cession). Among the most active insiders: Ju Chi-Hong. All data is openly available.
This score ranks the purchase within its own market. No market currently meets the historical allocation criteria, so signals remain watch-only. Not investment advice.
Fundamental score
Ranked 21,293 of 29,055 companies
FCF yld 1.9%
Earn yld -2.5%
EV/EBITDA ·
ROE -12%
Gross mgn 59%
Net mgn -19%
Debt/EBITDA ·
Pillars 2/3
Transparent value + quality ranking, distinct from the insider signal.
Σ Sigma AI Analysis Fundamental view, insider signal, bull and bear case, synthesis.
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Last declaration on 10 July 2026
All Executives376 Thresholds0 Prospectus0 Other0
Declarations 376 total
▼ VP, Business Dev. & Marketing · Executives · 9 Jul 2026
5,958 shares @ US$78.66 0.014% mcap 12.8% of flow Ordinary Shares SEC:0001280263-26-000055:0
▼ CEO · Executives · 1 Jul 2026
16,250 shares Ordinary Shares SEC:0001280263-26-000052:0
▼ Senior VP, Systems & GM · Executives · 1 Jul 2026
10,000 shares Ordinary Shares SEC:0001280263-26-000053:0
▼ Director · Executives · 26 Jun 2026
250 shares Ordinary Shares SEC:0001280263-26-000049:0
● Director · Executives · 26 Jun 2026
250 shares @ US$62.01 0.0005% mcap 2.7% of flow Common SEC144:0001959173-26-004905
▼ CEO · Executives · 17 Jun 2026
6,204 shares Ordinary Shares SEC:0001280263-26-000044:0
● CEO · Executives · 17 Jun 2026
10,000 shares Ordinary Shares SEC:0001280263-26-000044:1
▼ Senior VP, Systems & GM · Executives · 17 Jun 2026
2,017 shares Ordinary Shares SEC:0001280263-26-000045:0
▼ Chief Operations Officer · Executives · 17 Jun 2026
2,951 shares Ordinary Shares SEC:0001280263-26-000046:0
▼ CFO · Executives · 17 Jun 2026
3,186 shares Ordinary Shares SEC:0001280263-26-000047:0
▼ CFO · Executives · 17 Jun 2026
1,847 shares Ordinary Shares SEC:0001280263-26-000047:1
▼ VP, Business Development and · Executives · 12 Jun 2026
9,856 shares Ordinary Shares SEC:0001280263-26-000039:0
▼ CEO · Executives · 26 May 2026
17,285 shares @ US$90.3791 0.038% mcap 14.7% of flow Ordinary Shares SEC:0001280263-26-000036:0
▼ CEO · Executives · 26 May 2026
6,065 shares @ US$91.2294 0.013% mcap 5.2% of flow Ordinary Shares SEC:0001280263-26-000036:1
▼ CEO · Executives · 26 May 2026
9,150 shares @ US$92.0487 0.020% mcap 7.9% of flow Ordinary Shares SEC:0001280263-26-000036:2
◇ CFO · Executives · 26 May 2026
400 shares @ US$55.80 0.0005% mcap 3.2% of flow Ordinary Shares SEC:0001280263-26-000037:0
▼ CFO · Executives · 26 May 2026
400 shares @ US$96.00 0.0009% mcap 5.5% of flow Ordinary Shares SEC:0001280263-26-000037:1
▼ CFO · Executives · 21 Apr 2026
1,971 shares @ US$60.00 0.0036% mcap 14.5% of flow Ordinary Shares SEC:0001280263-26-000033:0
◇ CFO · Executives · 17 Mar 2026
3,556 shares Ordinary Shares SEC:0001280263-26-000031:0
◇ VP, Business Development and M · Executives · 17 Mar 2026
4,651 shares Ordinary Shares SEC:0001280263-26-000030:0
◇ Chief Operations Officer · Executives · 17 Mar 2026
13,678 shares Ordinary Shares SEC:0001280263-26-000029:0
◇ Senior VP, Systems & GM, Asia · Executives · 17 Mar 2026
9,553 shares Ordinary Shares SEC:0001280263-26-000028:0
◇ CEO · Executives · 17 Mar 2026
27,598 shares Ordinary Shares SEC:0001280263-26-000027:0
◆ CFO · Executives · 2 Mar 2026
15,201 shares 0Ordinary Shares SEC:0001280263-26-000026:0
◆ VP, Business Development and M · Executives · 2 Mar 2026
7,220 shares 0Ordinary Shares SEC:0001280263-26-000025:0
25 of 376 declarations
Load more (351 remaining) 关于 Ambarella INC Ambarella, Inc.(股票代码:AMBA)是一家在美国纳斯达克上市的美国半导体公司。它以设计低功耗边缘AI和计算机视觉片上系统(SoC)而闻名,这些系统应用于设备端感知、视频压缩、图像处理和实时推理至关重要的场景。Ambarella成立于2004年1月,开发了一种无晶圆厂模式,专注于芯片架构、软件和参考设计,而不是拥有自己的制造工厂。公司总部位于加利福尼亚州圣克拉拉,地处硅谷中心。([investor.ambarella.com](https://investor.ambarella.com/static-files/240da2ac-c79c-45de-810d-4dcc2675858d?utm_source=openai))
Ambarella的业务围绕多个终端市场展开:汽车、安全、消费电子以及AIoT、工业和机器人。其产品线包括CVflow AI SoC架构、CV7和CV3系列以及Oculii AI雷达软件。这些平台旨在将高分辨率视频编码/解码、图像信号处理、立体视觉、神经网络加速和多传感器融合结合到高能效设计中。实际上,这意味着Ambarella芯片用于ADAS摄像头、车内监控、安全摄像头、无人机、运动相机、机器人、机器视觉系统和其他智能边缘设备。([ambarella.com](https://www.ambarella.com/products/?utm_source=openai))
从竞争角度来看,Ambarella在边缘AI半导体领域占据着一个利基但重要的位置。它不是一个广泛的商品芯片供应商;相反,它专注于边缘的专业视觉处理和AI工作负载,在这些领域,功耗、延迟、外形尺寸和可靠性至关重要。公司表示,其产品部署在广泛的物理边缘AI用例中,并且拥有超过42 million个AI SoC单元的安装基础。这一安装基础表明其产品在多代客户部署中得到了显著采用。([ambarella.com](https://www.ambarella.com/about-history/?utm_source=openai))
从地理上看,Ambarella仍以美国为中心,但通过在亚洲和欧洲(包括台湾、中国、日本和意大利)的研发设计中心和业务发展办事处支持其全球客户群。这一布局反映了半导体供应链的全球性以及其许多客户是跨国OEM和一级供应商的事实。([investor.ambarella.com](https://investor.ambarella.com/static-files/240da2ac-c79c-45de-810d-4dcc2675858d?utm_source=openai))
最近的公司新闻一直围绕着下一波边缘AI。2026年初,Ambarella宣布推出强大的8K CV7视觉SoC,并在2026年嵌入式世界大会上强调了其“Ambarella边缘:从代理式AI到物理AI”的主题。公司2026财年的沟通也强调了持续的研发投资、预期的收入增长以及向间接销售渠道和半定制/定制ASIC机会的推动。对于投资者而言,Ambarella作为一家纯粹的边缘AI和计算机视觉半导体公司脱颖而出,其业务涵盖汽车智能、视频安全和机器人领域,而非通用芯片周期。([investor.ambarella.com](https://investor.ambarella.com/press-releases?utm_source=openai))