Yang Rick
SEC Form 4 insider trading activity
Yang Rick has filed 3 SEC Form 4 filings (15 transaction rows) across 2 companies, including KRRO, SGP, with disclosures dating back to 2025. 2 of those filings fall inside the rolling window. Most recent filing: Mar 12, 2026.
On the most recent filing, Yang Rick is listed as 10% Owner at Korro Bio, Inc. Inside the rolling window, Yang Rick reported 2 open-market purchases totaling $17.3M in KRRO and SGP and no open-market sales. The largest disclosed transaction in the window is a purchase of 937,500 SGP shares on Feb 9, 2026, worth $15.0M.
Companies traded
Other insiders at KRRO
Insider Buying
$17.3M
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
2
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Yang Rick made?
Yang Rick has filed 3 SEC Form 4 filings (15 transaction rows) across 2 companies, including KRRO, SGP since 2025.
Which companies does Yang Rick trade?
Yang Rick has filed SEC Form 4 disclosures for 2 companies, including KRRO, SGP.
When was Yang Rick's most recent SEC Form 4 filing?
Yang Rick's most recent SEC Form 4 filing on Tracefour is dated Mar 12, 2026.
What is Yang Rick's total buy and sell value in the current window?
Inside the rolling retention window, Yang Rick bought $17.3M and sold $0 based on SEC Form 4 filings.
What was Yang Rick's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 937,500 SGP shares on 2026-02-09, worth $15.0M, per SEC Form 4 filings.