CMPX — Compass 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 2021-11-02.
Performance
Technicals
Others in Healthcare
Measured signals that fired on CMPX
| date | signal | measured base rate |
|---|---|---|
| 2026-06-02 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-04-21 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-04-16 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-04-16 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
| 2026-02-27 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically 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 |
|---|---|---|---|---|---|
| 2026-04-29 | Anderman Jonathan General Counsel | Open-market purchase | 25.0K | 1.89 | 47.2K |
| 2026-04-29 | Anderman Jonathan General Counsel | Grant or award | 25.0K | 1.89 | 47.2K |
| 2026-04-29 | Lerner Neil Chief Accounting Officer | Open-market purchase | 15.0K | 1.89 | 28.4K |
| 2026-04-29 | Lerner Neil Chief Accounting Officer | Grant or award | 15.0K | 1.89 | 28.4K |
| 2026-02-08 | Schuetz Thomas J. CHIEF EXECUTIVE OFFICER | Shares withheld for tax | 36.7K | 6.52 | 239.2K |
| 2026-01-09 | Schuetz Thomas J. CHIEF EXECUTIVE OFFICER | Shares withheld for tax | 46.8K | 5.35 | 250.3K |
| 2026-01-02 | Schuetz Thomas J. CEO | Grant or award | 250.0K | 5.17 | 1.3M |
| 2026-01-02 | Anderman Jonathan General Counsel | Grant or award | 150.0K | 5.17 | 775.5K |
| 2026-01-02 | Shin Barry CFO | Grant or award | 125.0K | 5.17 | 646.2K |
| 2026-01-02 | Lerner Neil Chief Accounting Officer | Grant or award | 62.5K | 5.17 | 323.1K |
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 |
|---|---|---|
| TANG CAPITAL MANAGEMENT LLC | 88.8M | 16.8M |
| ORBIMED ADVISORS LLC | 80.5M | 15.2M |
| SUVRETTA CAPITAL MANAGEMENT, LLC | 75.7M | 14.3M |
| Vivo Capital, LLC | 50.5M | 9.5M |
| BlackRock, Inc. | 50.3M | 9.5M |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 44.9M | 8.5M |
| ENAVATE SCIENCES GP, LLC | 41.2M | 7.8M |
| BVF INC/IL | 41.1M | 7.8M |
| STATE STREET CORP | 35.4M | 6.7M |
| VANGUARD CAPITAL MANAGEMENT LLC | 31.9M | 6.0M |
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 →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| SCHEDULE 13G/A | 2026-08-14 | — | on EDGAR ↗ |
| SCHEDULE 13G | 2026-08-07 | — | on EDGAR ↗ |
| 10-Q | 2026-08-06 | 2026-06-30 | on EDGAR ↗ |
| 8-K | 2026-08-06 | 2026-08-06 | on EDGAR ↗ |
| 8-K | 2026-07-01 | 2026-07-01 | on EDGAR ↗ |
| 8-K | 2026-06-23 | 2026-06-22 | on EDGAR ↗ |
| 8-K | 2026-06-11 | 2026-06-10 | on EDGAR ↗ |
| SCHEDULE 13G/A | 2026-05-15 | — | on EDGAR ↗ |
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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