Winger Matthew C.
Chief Executive Officer
Winger Matthew C. has filed 2 SEC Form 4 filings (3 transaction rows) across 1 company, with disclosures dating back to 2026. 2 of those filings fall inside the rolling window. Most recent filing: Aug 20, 2026.
On the most recent filing, Winger Matthew C. is listed as Chief Executive Officer at NOCOPI TECHNOLOGIES INC. Inside the rolling window, Winger Matthew C. reported 2 open-market purchases totaling $9K in NNUP and no open-market sales. The largest disclosed transaction in the window is a purchase of 5,000 NNUP shares on Aug 18, 2026, worth $9K.
Companies traded
Other insiders at NNUP
Insider Buying
$9K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
1
in the rolling window
Frequently asked questions
How many SEC Form 4 filings has Winger Matthew C. made?
Winger Matthew C. has filed 2 SEC Form 4 filings (3 transaction rows) across 1 company since 2026.
Which companies does Winger Matthew C. trade?
Winger Matthew C. has filed SEC Form 4 disclosures for 1 company, including NNUP.
When was Winger Matthew C.'s most recent SEC Form 4 filing?
Winger Matthew C.'s most recent SEC Form 4 filing on Tracefour is dated Aug 20, 2026.
What is Winger Matthew C.'s job title?
On the most recent SEC Form 4 filings tracked by Tracefour, Winger Matthew C. is listed as Chief Executive Officer.
What is Winger Matthew C.'s total buy and sell value in the current window?
Inside the rolling retention window, Winger Matthew C. bought $9K and sold $0 based on SEC Form 4 filings.
What was Winger Matthew C.'s largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 5,000 NNUP shares on 2026-08-18, worth $9K, per SEC Form 4 filings.