Alpha Cognition Inc. - ACOG
Ownership (Schedule 13D / 13G) · latest 50 filings
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| Filed | Form | Reporting person | Percent | Shares | SEC |
|---|---|---|---|---|---|
| Mar 04, 2026 | SCHEDULE 13G/A | Opaleye Management Inc. | 11.0% | 2,388,638 | View |
| Mar 04, 2026 | SCHEDULE 13G/A | Opaleye, L.P. | 10.62% | 2,308,638 | View |
| Mar 04, 2026 | SCHEDULE 13G/A | James Silverman | 11.0% | 2,388,638 | View |
| Feb 20, 2026 | SCHEDULE 13G/A | Opaleye Management Inc. | 10.43% | 2,268,589 | View |
| Feb 20, 2026 | SCHEDULE 13G/A | Opaleye, L.P. | 10.09% | 2,193,589 | View |
| Feb 20, 2026 | SCHEDULE 13G/A | James Silverman | 10.43% | 2,268,589 | View |
| Feb 20, 2026 | SCHEDULE 13G/A | Opaleye Management Inc. | 10.09% | 2,193,589 | View |
| Feb 20, 2026 | SCHEDULE 13G/A | Opaleye, L.P. | 9.77% | 2,125,000 | View |
| Feb 20, 2026 | SCHEDULE 13G/A | James Silverman | 10.09% | 2,193,589 | View |
| Feb 19, 2026 | SCHEDULE 13G | Funicular Funds, LP | 5.1% | 1,114,747 | View |
| Feb 19, 2026 | SCHEDULE 13G | Cable Car Capital, LP | 5.1% | 1,114,747 | View |
| Feb 19, 2026 | SCHEDULE 13G | Ma-Weaver Jacob | 5.1% | 1,114,747 | View |
| Feb 18, 2026 | SCHEDULE 13G/A | Funicular Funds, LP | 4.9% | 1,060,212 | View |
| Feb 18, 2026 | SCHEDULE 13G/A | Cable Car Capital, LP | 4.9% | 1,060,212 | View |
| Feb 18, 2026 | SCHEDULE 13G/A | Ma-Weaver Jacob | 4.9% | 1,060,212 | View |
| Feb 17, 2026 | SCHEDULE 13G | MANCHESTER MANAGEMENT COMPANY, LLC | 5.1% | 1,127,181 | View |
| Feb 17, 2026 | SCHEDULE 13G | MANCHESTER MANAGEMENT PR, LLC | 5.1% | 1,127,181 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | Ikarian Capital, LLC | 4.9% | 1,056,259 | View |
| Feb 17, 2026 | SCHEDULE 13G/A | Neil Shahrestani | 4.9% | 1,056,259 | View |
| Feb 13, 2026 | SCHEDULE 13G/A | AWM Investment Company, Inc. | 9.9% | 2,172,036 | View |
| Feb 06, 2026 | SCHEDULE 13G | Opaleye Management Inc. | 9.52% | 2,070,784 | View |
| Feb 06, 2026 | SCHEDULE 13G | Opaleye, L.P. | 9.27% | 2,015,784 | View |
| Feb 06, 2026 | SCHEDULE 13G | James Silverman | 9.52% | 2,070,784 | View |
Percent = "% of class represented by amount beneficially owned" for this reporting person in the filed 13D/13G.
Shares = reported beneficial ownership amount for the same row (not portfolio shares from 13F).
Amendments (/A) can repeat the same holder over time, so rows should not be summed.
Extraction is best-effort from filing text and can be missing or noisy; verify exact figures via the SEC link in each row.