Sun Dingxin
SEC Form 4 insider trading activity
Sun Dingxin has filed 1 SEC Form 4 filing (1 transaction rows) across 1 company, with disclosures dating back to 2026. 1 of those filings fall inside the rolling window. Most recent filing: Aug 21, 2026.
On the most recent filing, Sun Dingxin is listed as Director, 10% Owner at Decent Holding Inc. Inside the rolling window, Sun Dingxin reported 1 open-market purchase totaling $800K in DXST and no open-market sales.
Companies traded
Other insiders at DXST
Insider Buying
$800K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Sun Dingxin made?
Sun Dingxin has filed 1 SEC Form 4 filing (1 transaction rows) across 1 company since 2026.
Which companies does Sun Dingxin trade?
Sun Dingxin has filed SEC Form 4 disclosures for 1 company, including DXST.
When was Sun Dingxin's most recent SEC Form 4 filing?
Sun Dingxin's most recent SEC Form 4 filing on Tracefour is dated Aug 21, 2026.
What is Sun Dingxin's total buy and sell value in the current window?
Inside the rolling retention window, Sun Dingxin bought $800K and sold $0 based on SEC Form 4 filings.
What was Sun Dingxin's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 400,000 DXST shares on 2026-08-06, worth $800K, per SEC Form 4 filings.