Winger Matthew C. (CIK 0001906654)

Latest company ownership

Shares held
235,916
Last filed at
Jun 10, 2025
Confidence Score
52.1
2025Q4
Confidence Score History
2022Q1 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Jun 6, 2025 Jun 10, 2025 NOCOPI TECHNOLOGIES INC/MD/ CEO Buy 95.0 +101,416 75.40% ✗ $111.6K
May 23, 2024 May 28, 2024 NOCOPI TECHNOLOGIES INC/MD/ EVP - Corporate Development Buy 91.3 +7,500 11.19% ✗ $21.9K
Aug 24, 2023 Aug 28, 2023 NOCOPI TECHNOLOGIES INC/MD/ EVP - Corporate Development Buy 86.3 +5,000 8.06% ✗ $16.2K
May 23, 2022 May 25, 2022 NOCOPI TECHNOLOGIES INC/MD/ Director Buy 82.5 +25,000 4.20% ✗ $3.8K
May 13, 2022 May 13, 2022 NOCOPI TECHNOLOGIES INC/MD/ Other Buy 82.5 +25,000 4.39% ✗ $4K
Mar 17, 2022 Mar 18, 2022 NOCOPI TECHNOLOGIES INC/MD/ Other Buy 67.5 +5,000 0.88% ✗ $950
Mar 11, 2022 Mar 11, 2022 NOCOPI TECHNOLOGIES INC/MD/ Other Buy 82.5 +17,624 3.22% ✗ $3.3K