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Insider buying
Matthew C. Winger bought $9K of Nocopi Technologies Inc/Md/ (NNUP) stock
Matthew C. Winger, Chief Executive Officer of Nocopi Technologies Inc/Md/ (NNUP), bought 5,200 shares of NNUP stock worth $9K, per an SEC Form 4 filed Aug 20, 2026.
It was an open-market purchase.
The trade happened on Aug 18, 2026, 2 days before it was made public.
- Traded
- Aug 18, 2026
- Disclosed
- Aug 20, 2026
- Filing delay
- 2 days
- Role
- Chief Executive Officer
- Source
- SEC Form 4
More NNUP insider and Congress trades
From a public SEC Form 4, linked above. Not investment advice, and not a recommendation to buy or sell.