Guarini Kathryn
SEC Form 4 insider trading activity
Guarini Kathryn has filed 3 SEC Form 4 filings (5 transaction rows) across 1 company, with disclosures dating back to 2026. 3 of those filings fall inside the rolling window. Most recent filing: Sep 3, 2026.
On the most recent filing, Guarini Kathryn is listed as Director at REGENERON PHARMACEUTICALS, INC. Inside the rolling window, Guarini Kathryn reported no open-market purchases and 2 open-market sales totaling $660K in REGN. The largest disclosed transaction in the window is a sale of 400 REGN shares on Sep 2, 2026, worth $340K.
Companies traded
Other insiders at REGN
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$660K
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Guarini Kathryn made?
Guarini Kathryn has filed 3 SEC Form 4 filings (5 transaction rows) across 1 company since 2026.
Which companies does Guarini Kathryn trade?
Guarini Kathryn has filed SEC Form 4 disclosures for 1 company, including REGN.
When was Guarini Kathryn's most recent SEC Form 4 filing?
Guarini Kathryn's most recent SEC Form 4 filing on Tracefour is dated Sep 3, 2026.
What is Guarini Kathryn's total buy and sell value in the current window?
Inside the rolling retention window, Guarini Kathryn bought $0 and sold $660K based on SEC Form 4 filings.
What was Guarini Kathryn's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 400 REGN shares on 2026-09-02, worth $340K, per SEC Form 4 filings.