Ju Chi-Hong
Senior VP, Systems & GM
Ju Chi-Hong has filed 11 SEC Form 4 filings (15 transaction rows) across 1 company, with disclosures dating back to 2025. 9 of those filings fall inside the rolling window. Most recent filing: Sep 18, 2026.
On the most recent filing, Ju Chi-Hong is listed as Senior VP, Systems & GM at AMBARELLA INC. Inside the rolling window, Ju Chi-Hong reported no open-market purchases and 8 open-market sales totaling $3.0M in AMBA. The largest disclosed transaction in the window is a sale of 10,000 AMBA shares on Jul 1, 2026, worth $888K.
Companies traded
Other insiders at AMBA
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$3.0M
reported sales (SEC code S)
Companies
1
in the rolling window
| Source | |||||||
|---|---|---|---|---|---|---|---|
| AMBA | Senior VP, Systems & GM | Sale | 2,009 | $130K | Sep 18 | SEC ↗ | |
| AMBA | Senior VP, Systems & GM | Sale | 10,000 | $888K | Jul 2 | SEC ↗ | |
| AMBA | Senior VP, Systems & GM | Sale | 2,017 | $137K | Jun 18 | SEC ↗ | |
| AMBA | Senior VP, Systems & GM, Asia | Sale | 4,729 | $250K | Mar 19 | SEC ↗ | |
| AMBA | Senior VP, Systems & GM, Asia | Sale | 2,155 | $117K | Mar 19 | SEC ↗ | |
| AMBA | Senior VP, Systems & GM, Asia | Sale | 11,710 | $823K | Jan 23 | SEC ↗ | |
| AMBA | Senior VP, Systems & GM, Asia | Sale | 7,728 | $584K | Jan 7 | SEC ↗ | |
| AMBA | Senior VP, Systems & GM, Asia | Sale | 1,342 | $96K | Dec 19 | SEC ↗ |
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
Frequently asked questions
How many SEC Form 4 filings has Ju Chi-Hong made?
Ju Chi-Hong has filed 11 SEC Form 4 filings (15 transaction rows) across 1 company since 2025.
Which companies does Ju Chi-Hong trade?
Ju Chi-Hong has filed SEC Form 4 disclosures for 1 company, including AMBA.
When was Ju Chi-Hong's most recent SEC Form 4 filing?
Ju Chi-Hong's most recent SEC Form 4 filing on Tracefour is dated Sep 18, 2026.
What is Ju Chi-Hong's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Ju Chi-Hong is listed as Senior VP, Systems & GM.
What is Ju Chi-Hong's total buy and sell value in the current window?
Inside the rolling retention window, Ju Chi-Hong bought $0 and sold $3.0M based on SEC Form 4 filings.
What was Ju Chi-Hong's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 10,000 AMBA shares on 2026-07-01, worth $888K, per SEC Form 4 filings.