Matthew C. Winger

Companies

• NOCOPI TECHNOLOGIES INC/MD/Chief executive officer Jun 10, 2025 to now¹
• NOCOPI TECHNOLOGIES INC/MD/Board member Aug 28, 2023 to now²
• NOCOPI TECHNOLOGIES INC/MD/EVP - Corporate Development Aug 28, 2023 to Dec 27, 2024²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• NTNOCOPI TECHNOLOGIES INC/MD/ NNUP251,116 shares³$426.9K at $1.70Aug 19, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Aug 19, 2026Bought 200 shares at $1.80 of NOCOPI TECHNOLOGIES INC/MD/³
• Aug 18, 2026Bought 5,000 shares at $1.71 of NOCOPI TECHNOLOGIES INC/MD/³
• Dec 29, 2025Granted 10,000 shares of NOCOPI TECHNOLOGIES INC/MD/⁴
• Jun 6, 2025Bought 101,416 shares at $1.10 of NOCOPI TECHNOLOGIES INC/MD/⁵
• Dec 22, 2024Granted 60,000 shares of NOCOPI TECHNOLOGIES INC/MD/⁶
• Dec 22, 2024Granted 6,000 shares of NOCOPI TECHNOLOGIES INC/MD/⁷
• May 23, 2024Bought 7,500 shares at $2.92 of NOCOPI TECHNOLOGIES INC/MD/⁸
• Aug 28, 2023Bought 1,000 shares at $3.22 of NOCOPI TECHNOLOGIES INC/MD/⁹
• Aug 25, 2023Bought 1,000 shares at $3.24 of NOCOPI TECHNOLOGIES INC/MD/⁹
• Aug 24, 2023Bought 3,000 shares at $3.25 of NOCOPI TECHNOLOGIES INC/MD/⁹
• May 23, 2022Bought 25,000 shares at $0.15 of NOCOPI TECHNOLOGIES INC/MD/¹⁰
• May 13, 2022Bought 25,000 shares at $0.16 of NOCOPI TECHNOLOGIES INC/MD/¹¹
• Mar 17, 2022Bought 5,000 shares at $0.19 of NOCOPI TECHNOLOGIES INC/MD/¹²
• Mar 11, 2022Bought 17,624 shares at $0.19 of NOCOPI TECHNOLOGIES INC/MD/¹³