St Dennis Thomas
SEC Form 4 insider trading activity
St Dennis Thomas has filed 9 SEC Form 4 filings (11 transaction rows) across 3 companies, including FORM, ACLS, VECO, with disclosures dating back to 2025. 9 of those filings fall inside the rolling window. Most recent filing: Jun 17, 2026.
On the most recent filing, St Dennis Thomas is listed as Director at FORMFACTOR INC. Inside the rolling window, St Dennis Thomas reported no open-market purchases and 6 open-market sales totaling $1.6M in FORM and ACLS and VECO. The largest disclosed transaction in the window is a sale of 7,431 FORM shares on Feb 10, 2026, worth $697K.
Companies traded
Other insiders at FORM
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$1.6M
reported sales (SEC code S)
Companies
3
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has St Dennis Thomas made?
St Dennis Thomas has filed 9 SEC Form 4 filings (11 transaction rows) across 3 companies, including FORM, ACLS, VECO since 2025.
Which companies does St Dennis Thomas trade?
St Dennis Thomas has filed SEC Form 4 disclosures for 3 companies, including FORM, ACLS, VECO.
When was St Dennis Thomas's most recent SEC Form 4 filing?
St Dennis Thomas's most recent SEC Form 4 filing on Tracefour is dated Jun 17, 2026.
What is St Dennis Thomas's total buy and sell value in the current window?
Inside the rolling retention window, St Dennis Thomas bought $0 and sold $1.6M based on SEC Form 4 filings.
What was St Dennis Thomas's largest disclosed transaction?
The largest disclosed transaction in the current window is a sale of 7,431 FORM shares on 2026-02-10, worth $697K, per SEC Form 4 filings.