| SC 13D | 2023-09-15 | FROST PHILLIP MD ET AL | NOCOPI TECHNOLOGIES INC/MD/ | 1,250,000 | 11.9% | EDGAR |
| SC 13G | 2022-09-23 | STEINBERG JOSEPH S | NOCOPI TECHNOLOGIES INC/MD/ | 1,250,000 | 13.5% | EDGAR |
| SC 13D/A | 2022-09-15 | Liebowitz Michael | NOCOPI TECHNOLOGIES INC/MD/ | 3,083,150 | 33.3% | EDGAR |
| SC 13D/A | 2022-08-11 | SRK Fund I, LP. | NOCOPI TECHNOLOGIES INC/MD/ | 2,114,354 | 3.1% | EDGAR |
| SC 13D/A | 2022-06-08 | Liebowitz Michael | NOCOPI TECHNOLOGIES INC/MD/ | 18,288,020 | 27.1% | EDGAR |
| SC 13D/A | 2022-05-25 | ERIKSEN CAPITAL MANAGEMENT LLC | NOCOPI TECHNOLOGIES INC/MD/ | 1,000 | 0.0% | EDGAR |
| SC 13D | 2022-03-30 | Liebowitz Michael | NOCOPI TECHNOLOGIES INC/MD/ | 8,695,582 | 12.9% | EDGAR |
| SC 13G/A | 2022-03-08 | Liebowitz Michael | NOCOPI TECHNOLOGIES INC/MD/ | 8,401,672 | 12.4% | EDGAR |
| SC 13D/A | 2022-02-14 | ERIKSEN CAPITAL MANAGEMENT LLC | NOCOPI TECHNOLOGIES INC/MD/ | 7,715,623 | 11.4% | EDGAR |
| SC 13D/A | 2022-02-08 | SMOAK CAPITAL MANAGEMENT, LLC | NOCOPI TECHNOLOGIES INC/MD/ | 3,252,494 | 4.8% | EDGAR |
| SC 13G | 2022-01-26 | Liebowitz Michael | NOCOPI TECHNOLOGIES INC/MD/ | 3,406,240 | 5.0% | EDGAR |
| SC 13D/A | 2021-12-13 | ERIKSEN CAPITAL MANAGEMENT LLC | NOCOPI TECHNOLOGIES INC/MD/ | 7,699,139 | 11.4% | EDGAR |
| SC 13D/A | 2021-11-10 | ERIKSEN CAPITAL MANAGEMENT LLC | NOCOPI TECHNOLOGIES INC/MD/ | 6,821,839 | 10.1% | EDGAR |
| SC 13D/A | 2021-08-27 | ERIKSEN CAPITAL MANAGEMENT LLC | NOCOPI TECHNOLOGIES INC/MD/ | 6,821,839 | 10.1% | EDGAR |
| SC 13D/A | 2021-08-16 | ERIKSEN CAPITAL MANAGEMENT LLC | NOCOPI TECHNOLOGIES INC/MD/ | 6,716,339 | 10.0% | EDGAR |
| SC 13D/A | 2021-07-22 | ERIKSEN CAPITAL MANAGEMENT LLC | NOCOPI TECHNOLOGIES INC/MD/ | 5,642,490 | 7.1% | EDGAR |
| SC 13D | 2021-07-09 | SMOAK CAPITAL MANAGEMENT, LLC | NOCOPI TECHNOLOGIES INC/MD/ | 3,521,660 | 5.2% | EDGAR |
| SC 13D | 2021-05-06 | ERIKSEN CAPITAL MANAGEMENT LLC | NOCOPI TECHNOLOGIES INC/MD/ | 4,762,534 | 7.1% | EDGAR |
| SC 13G | 2021-02-16 | SMOAK CAPITAL MANAGEMENT, LLC | NOCOPI TECHNOLOGIES INC/MD/ | 2,089,343 | 3.1% | EDGAR |
| SC 13D/A | 2019-10-01 | SRK Fund I, LP. | NOCOPI TECHNOLOGIES INC/MD/ | 2,279,454 | 3.9% | EDGAR |