SUMME GREGORY L
SEC Form 4 insider trading activity
SUMME GREGORY L has filed 11 SEC Form 4 filings (12 transaction rows) across 4 companies, including GRAL, NXPI, UP, with disclosures dating back to 2025. 10 of those filings fall inside the rolling window. Most recent filing: Oct 16, 2026.
On the most recent filing, SUMME GREGORY L is listed as Director at Avantor, Inc. Inside the rolling window, SUMME GREGORY L reported 2 open-market purchases totaling $2.1M in AVTR and no open-market sales. The largest disclosed transaction in the window is a purchase of 100,000 AVTR shares on Oct 30, 2025, worth $1.1M.
Companies traded
Other insiders at GRAL
Insider Buying
$2.1M
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
4
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has SUMME GREGORY L made?
SUMME GREGORY L has filed 11 SEC Form 4 filings (12 transaction rows) across 4 companies, including GRAL, NXPI, UP since 2025.
Which companies does SUMME GREGORY L trade?
SUMME GREGORY L has filed SEC Form 4 disclosures for 4 companies, including GRAL, NXPI, UP.
When was SUMME GREGORY L's most recent SEC Form 4 filing?
SUMME GREGORY L's most recent SEC Form 4 filing on Tracefour is dated Oct 16, 2026.
What is SUMME GREGORY L's total buy and sell value in the current window?
Inside the rolling retention window, SUMME GREGORY L bought $2.1M and sold $0 based on SEC Form 4 filings.
What was SUMME GREGORY L's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 100,000 AVTR shares on 2025-10-30, worth $1.1M, per SEC Form 4 filings.