Xia Yu
SEC Form 4 insider trading activity
Xia Yu has filed 1 SEC Form 4 filing (1 transaction rows) across 1 company, with disclosures dating back to 2025. 1 of those filings fall inside the rolling window. Most recent filing: Oct 23, 2025.
On the most recent filing, Xia Yu is listed as Director at Summit Therapeutics Inc. Inside the rolling window, Xia Yu reported 1 open-market purchase totaling $10.0M in SMMT and no open-market sales.
Companies traded
Other insiders at SMMT
Insider Buying
$10.0M
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 Xia Yu made?
Xia Yu has filed 1 SEC Form 4 filing (1 transaction rows) across 1 company since 2025.
Which companies does Xia Yu trade?
Xia Yu has filed SEC Form 4 disclosures for 1 company, including SMMT.
When was Xia Yu's most recent SEC Form 4 filing?
Xia Yu's most recent SEC Form 4 filing on Tracefour is dated Oct 23, 2025.
What is Xia Yu's total buy and sell value in the current window?
Inside the rolling retention window, Xia Yu bought $10.0M and sold $0 based on SEC Form 4 filings.
What was Xia Yu's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 533,617 SMMT shares on 2025-10-21, worth $10.0M, per SEC Form 4 filings.