Ling Karen
SEC Form 4 insider trading activity
Ling Karen has filed 3 SEC Form 4 filings (4 transaction rows) across 2 companies, including IRTC, BLCO, with disclosures dating back to 2026. 3 of those filings fall inside the rolling window. Most recent filing: May 29, 2026.
On the most recent filing, Ling Karen is listed as Director at Bausch & Lomb Corp. Inside the rolling window, Ling Karen reported 1 open-market purchase totaling $71K in BLCO and no open-market sales.
Companies traded
Other insiders at IRTC
Insider Buying
$71K
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 Ling Karen made?
Ling Karen has filed 3 SEC Form 4 filings (4 transaction rows) across 2 companies, including IRTC, BLCO since 2026.
Which companies does Ling Karen trade?
Ling Karen has filed SEC Form 4 disclosures for 2 companies, including IRTC, BLCO.
When was Ling Karen's most recent SEC Form 4 filing?
Ling Karen's most recent SEC Form 4 filing on Tracefour is dated May 29, 2026.
What is Ling Karen's total buy and sell value in the current window?
Inside the rolling retention window, Ling Karen bought $71K and sold $0 based on SEC Form 4 filings.
What was Ling Karen's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 4,000 BLCO shares on 2026-02-19, worth $71K, per SEC Form 4 filings.