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AMBA - Ambarella Inc

Insider Sale by Ju Chi-Hong (SVP, Systems, GM, Asia)

1 Month
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Trade Summary

6 days ago, Ju Chi-Hong, serving as SVP, Systems, GM, Asia at Ambarella Inc (AMBA), sold 6,884 shares at $53.20 per share, for a total transaction value of $366,221.00. Following this transaction, Ju Chi-Hong now holds 175,941 shares of AMBA.

This sale represents a 4.00% decrease in Ju Chi-Hong's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Tuesday, March 17, 2026 and publicly disclosed via SEC Form 4 filing on Thursday, March 19, 2026, 2 days after the trade was made.

Ambarella Inc operates in the TECHNOLOGY sector, specifically within the SEMICONDUCTOR EQUIPMENT & MATERIALS industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.

Ju Chi-Hong

Ju Chi-Hong

SVP, Systems, GM, Asia

Chi-Hong (John) Ju, age 65, is a Senior Vice President, Systems & GM, Asia at Ambarella Inc. (AMBA), a role he has held since September 2021, following his position as VP, Software from February 2004 to September 2021[[1]](https://fintool.com/app/research/companies/AMBA/people/chi-hong-john-ju)[[2]](https://www.ambarella.com/executive-team/)[[3]](https://www.marketscreener.com/insider/CHI-HONG-JU-A0FCVX/)[[4]](https://www.gurufocus.com/insider/169849/chi-hong-ju). A founding team member of Ambarella, he has led software and systems development since 2004, building and scaling the company's software stack for edge AI products and enabling productization across multiple markets[[1]](https://fintool.com/app/research/companies/AMBA/people/chi-hong-john-ju)[[2]](https://www.ambarella.com/executive-team/). Ju brings over 20 years of expertise in system-on-a-chip (SoC) development, including prior leadership of the system team for multi-core, multi-thread processors at Afara Websystems (acquired by Sun Microsystems in 2002), senior management roles in software development for video processors at C-Cube Microsystems, and pioneering MPEG video algorithm development at Sarnoff Research Lab[[1]](https://fintool.com/app/research/companies/AMBA/people/chi-hong-john-ju)[[2]](https://www.ambarella.com/executive-team/). He holds a B.S. in Electrical Engineering from National Taiwan University and an M.S. in Electrical and Computer Engineering from Princeton University[[1]](https://fintool.com/app/research/companies/AMBA/people/chi-hong-john-ju). As of late 2025, Ju owns approximately 153,767 shares of AMBA stock valued at over $10 million, following a recent sale of 3,765 shares[[4]](https://www.gurufocus.com/insider/169849/chi-hong-ju)[[5]](https://www.marketbeat.com/instant-alerts/chi-hong-ju-sells-3765-shares-of-ambarella-nasdaqamba-stock-2025-12-31/).

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Trade Price

$53.20

Quantity

6,884

Total Value

$366,221.00

Shares Owned

175,941

Trade Date

Tuesday, March 17, 2026

6 days ago

SEC Filing Date

Thursday, March 19, 2026

Filed 2 days after trade

TECHNOLOGYSEMICONDUCTOR EQUIPMENT & MATERIALS

About Ambarella Inc

Company Overview

No company information available
View news mentioning AMBA

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