Li Dean Y
SEC Form 4 insider trading activity
Li Dean Y has filed 10 SEC Form 4 filings (12 transaction rows) across 2 companies, including RXRX, MRK, with disclosures dating back to 2025. 9 of those filings fall inside the rolling window. Most recent filing: Oct 2, 2026.
On the most recent filing, Li Dean Y is listed as Executive VP & President, MRL at Merck & Co., Inc. Inside the rolling window, Li Dean Y reported no open-market purchases and 2 open-market sales totaling $3.0M in MRK. The largest disclosed transaction in the window is a sale of 15,087 MRK shares on Feb 4, 2026, worth $1.8M.
Companies traded
Other insiders at RXRX
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$3.0M
reported sales (SEC code S)
Companies
2
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Li Dean Y made?
Li Dean Y has filed 10 SEC Form 4 filings (12 transaction rows) across 2 companies, including RXRX, MRK since 2025.
Which companies does Li Dean Y trade?
Li Dean Y has filed SEC Form 4 disclosures for 2 companies, including RXRX, MRK.
When was Li Dean Y's most recent SEC Form 4 filing?
Li Dean Y's most recent SEC Form 4 filing on Tracefour is dated Oct 2, 2026.
What is Li Dean Y's total buy and sell value in the current window?
Inside the rolling retention window, Li Dean Y bought $0 and sold $3.0M based on SEC Form 4 filings.
What was Li Dean Y's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 15,087 MRK shares on 2026-02-04, worth $1.8M, per SEC Form 4 filings.