CGTX — COGNITION THERAPEUTICS INC
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2021-10-08.
Performance
Technicals
Others in Healthcare
Measured signals that fired on CGTX
| date | signal | measured base rate |
|---|---|---|
| 2026-04-20 | Cluster buy: three or more insiders insider | +0.63% over 21 days · t = 1.84 · n = 3,050 not distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-06-17 | BIOS Fund I, LP Director | Grant or award | 25.0K | 0.00 | 0 |
| 2026-06-17 | BIOS Fund I QP, LP Director | Grant or award | 25.0K | 0.00 | 0 |
| 2026-06-17 | BIOS Fund II, LP Director | Grant or award | 25.0K | 0.00 | 0 |
| 2026-06-17 | BIOS Fund II QP, LP Director | Grant or award | 25.0K | 0.00 | 0 |
| 2026-06-17 | Fletcher Aaron G.L. Director | Grant or award | 25.0K | 0.00 | 0 |
| 2026-06-17 | Bios Equity Partners II, LP Director | Grant or award | 25.0K | 0.00 | 0 |
| 2026-06-17 | Bios Equity Partners, LP Director | Grant or award | 25.0K | 0.00 | 0 |
| 2026-06-17 | BIOS Advisors GP, LLC Director | Grant or award | 25.0K | 0.00 | 0 |
| 2026-06-17 | BIOS Capital Management, LP Director | Grant or award | 25.0K | 0.00 | 0 |
| 2026-06-17 | BIOS Memory SPV I, LP Director | Grant or award | 25.0K | 0.00 | 0 |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BIOS Capital Management, LP | 4.6M | 6.0M |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.3M | 3.0M |
| DAVENPORT & Co LLC | 2.2M | 2.9M |
| RENAISSANCE TECHNOLOGIES LLC | 848.5K | 1.1M |
| Chescapmanager LLC | 757.2K | 997.0K |
| BlackRock, Inc. | 735.5K | 968.4K |
| GEODE CAPITAL MANAGEMENT, LLC | 699.2K | 920.2K |
| Hilton Capital Management, LLC | 416.9K | 549.0K |
| VANGUARD FIDUCIARY TRUST CO | 352.4K | 463.7K |
| Dauntless Investment Group, LLC | 327.3K | 431.0K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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