VSTM — Verastem, 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 2016-01-04.
Performance
Technicals
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Measured signals that fired on VSTM
| date | signal | measured base rate |
|---|---|---|
| 2026-08-14 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-08-14 | 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 |
| 2026-08-10 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-23 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-07-06 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-06-25 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 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 |
|---|---|---|---|---|---|
| 2026-08-03 | Paterson Dan President and CEO | Open-market sale 10b5-1 plan | 1.3K | 5.81 | 7.6K |
| 2026-06-22 | Paterson Dan President and CEO | Open-market sale 10b5-1 plan | 20.9K | 4.18 | 87.2K |
| 2026-06-22 | Calkins Daniel Chief Financial Officer | Open-market sale 10b5-1 plan | 4.0K | 4.18 | 16.9K |
| 2026-06-22 | Calkins Daniel Chief Financial Officer | Open-market sale 10b5-1 plan | 57 | 4.13 | 235 |
| 2026-05-21 | Bunn Paul A. Director | Grant or award | 36.0K | 0.00 | 0 |
| 2026-05-21 | JOHNSON JOHN Director | Grant or award | 36.0K | 0.00 | 0 |
| 2026-05-21 | Rowinsky Eric K Director | Grant or award | 36.0K | 0.00 | 0 |
| 2026-05-21 | ROBERTSON MICHELLE Director | Grant or award | 36.0K | 0.00 | 0 |
| 2026-05-21 | Kapur Anil Director | Grant or award | 36.0K | 0.00 | 0 |
| 2026-05-21 | BAILEY MICHAEL P Director | Grant or award | 108.0K | 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 |
|---|---|---|
| RTW INVESTMENTS, LP | 34.9M | 6.6M |
| BlackRock, Inc. | 32.8M | 6.2M |
| Deep Track Capital, LP | 30.4M | 5.7M |
| ARMISTICE CAPITAL, LLC | 24.3M | 4.6M |
| Nantahala Capital Management, LLC | 19.0M | 3.6M |
| STATE STREET CORP | 18.6M | 3.5M |
| VANGUARD CAPITAL MANAGEMENT LLC | 17.6M | 3.3M |
| Stonepine Capital Management, LLC | 17.5M | 3.3M |
| Foresite Capital Management VI LLC | 16.7M | 3.1M |
| MILLENNIUM MANAGEMENT LLC | 12.8M | 2.4M |
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 →
Recent headlines
- Verastem (VSTM) Q2 2026 Earnings Call Transcript · 2026-08-13
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