Chen Yun-Lung
VP, Business Dev. & Marketing
Chen Yun-Lung has filed 5 SEC Form 4 filings (6 transaction rows) across 1 company, with disclosures dating back to 2025. 4 of those filings fall inside the rolling window. Most recent filing: Jul 10, 2026.
On the most recent filing, Chen Yun-Lung is listed as VP, Business Dev. & Marketing at AMBARELLA INC. Inside the rolling window, Chen Yun-Lung reported no open-market purchases and 2 open-market sales totaling $1.1M in AMBA. The largest disclosed transaction in the window is a sale of 9,856 AMBA shares on Jun 12, 2026, worth $661K.
Companies traded
Other insiders at AMBA
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$1.1M
reported sales (SEC code S)
Companies
1
in the rolling window
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Sep 10, 2025 | AMBA | Sale | $717K |
Frequently asked questions
How many SEC Form 4 filings has Chen Yun-Lung made?
Chen Yun-Lung has filed 5 SEC Form 4 filings (6 transaction rows) across 1 company since 2025.
Which companies does Chen Yun-Lung trade?
Chen Yun-Lung has filed SEC Form 4 disclosures for 1 company, including AMBA.
When was Chen Yun-Lung's most recent SEC Form 4 filing?
Chen Yun-Lung's most recent SEC Form 4 filing on Tracefour is dated Jul 10, 2026.
What is Chen Yun-Lung's job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Chen Yun-Lung is listed as VP, Business Dev. & Marketing.
What is Chen Yun-Lung's total buy and sell value in the current window?
Inside the rolling retention window, Chen Yun-Lung bought $0 and sold $1.1M based on SEC Form 4 filings.
What was Chen Yun-Lung's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 9,856 AMBA shares on 2026-06-12, worth $661K, per SEC Form 4 filings.