StockCIK 888981

NOCOPI TECHNOLOGIES INC/MD/ (NNUP): Insider Trades and Fund Holdings

In the past 12 months, NOCOPI TECHNOLOGIES INC/MD/ insiders reported 5 open-market purchases worth $14K and 0 sales worth $0.

5Insider buys, 12 months

$14KBought by insiders, 12 months

$0Sold by insiders, 12 months

0Tracked funds holding

Recent insider trades

Open-market purchases (code P) and sales (code S) from Form 4. Grants, option exercises and gifts are not shown. Latest filing: Sep 11, 2026.

Recent NNUP insider trades
Filed	Traded	Insider	Role	Type	Shares	Price ($)	Value	Holding	Filing
Sep 11	Sep 10	Eric SitesDirector	Director	▲ BUY	1,000	1.85	$2K	+100%	Form 4 ↗
Sep 11	Sep 11	Eric SitesDirector	Director	▲ BUY	500	1.80	$900	+25%	Form 4 ↗
Sep 9	Sep 9	Eric SitesDirector	Director	▲ BUY	1,000	1.90	$2K	New	Form 4 ↗
Aug 20	Aug 18	Matthew C. WingerCEO	CEO	▲ BUY	5,000	1.71	$9K	+2.0%	Form 4 ↗
Aug 20	Aug 19	Matthew C. WingerCEO	CEO	▲ BUY	200	1.80	$360	+0.1%	Form 4 ↗

Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings

Insiders who traded in the past year

Insider	Role	Buys	Bought	Sells	Sold	Latest
Eric Sites	Director	3	$5K	0	$0	Sep 11, 2026
Matthew C. Winger	CEO	2	$9K	0	$0	Aug 20, 2026

Reading these numbers

Insiders sell for many reasons: taxes, diversification, a house. Purchases with their own money are rarer and are usually read as more informative. A Form 4 is due within two business days of the trade. How to read a Form 4 →