X0508 4 2025-12-24 0 0000888981 NOCOPI TECHNOLOGIES INC/MD/ NNUP 0001982827 Glickman Debra Elyse 480 SHOEMAKER ROAD SUITE 104 KING OF PRUSSIA PA 19406 0 1 0 0 Chief Financial Officer 0 Common Stock 2025-12-24 4 M 0 5000 A 10000 D Common Stock 2025-12-24 4 F 0 2360 D 7640 D Restricted Stock Units 2025-12-24 4 M 0 5000 0 D Common Stock 5000 0 D On December 23, 2024, the Reporting Person was granted restricted stock units, of which 5,000 vested immediately on the grant date and the remaining 5,000 vested on December 24, 2025. Each restricted stock unit represents a contingent right to receive one share of Nocopi Technologies, Inc. (the "Company") common stock. On December 24, 2025, 5,000 shares underlying the previously granted restricted stock units vested. On December 24, 2025, the Company withheld 2,360 shares of common stock in satisfaction of the Reporting Person's tax obligations in connection with the above mentioned vesting of outstanding restricted stock units. /s/ Debra Glickman 2025-12-30