CGEM — Cullinan 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 2021-01-08.
Performance
Technicals
Others in Healthcare
Measured signals that fired on CGEM
| date | signal | measured base rate |
|---|---|---|
| 2026-08-13 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-08-12 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-08-11 | 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 |
| 2026-08-11 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-06-26 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-06-23 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 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 |
|---|---|---|---|---|---|
| 2026-08-13 | Michaelson Jennifer Chief Scientific Officer | Open-market sale 10b5-1 plan | 30.0K | 20.26 | 607.8K |
| 2026-08-13 | Michaelson Jennifer Chief Scientific Officer | Option exercise 10b5-1 plan | 30.0K | 4.30 | 129.0K |
| 2026-07-06 | Michaelson Jennifer Chief Scientific Officer | Open-market sale 10b5-1 plan | 8.0K | 17.82 | 142.6K |
| 2026-07-06 | Michaelson Jennifer Chief Scientific Officer | Option exercise 10b5-1 plan | 4.0K | 4.30 | 17.2K |
| 2026-06-30 | SUMER JACQUELYN L Chief Legal Officer | Grant or award | 2.5K | 8.60 | 21.2K |
| 2026-06-30 | Fenton Mary Kay Chief Financial Officer | Grant or award | 1.5K | 8.60 | 13.3K |
| 2026-05-05 | Michaelson Jennifer Chief Scientific Officer | Open-market sale 10b5-1 plan | 7.8K | 14.60 | 113.9K |
| 2026-05-05 | Michaelson Jennifer Chief Scientific Officer | Option exercise 10b5-1 plan | 4.0K | 4.30 | 17.2K |
| 2026-05-05 | Michaelson Jennifer Chief Scientific Officer | Open-market sale 10b5-1 plan | 200 | 15.58 | 3.1K |
| 2026-03-05 | Michaelson Jennifer Chief Scientific Officer | Open-market sale 10b5-1 plan | 8.0K | 15.68 | 125.4K |
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 |
|---|---|---|
| Lynx1 Capital Management LP | 127.4M | 9.0M |
| MPM BIOIMPACT LLC | 108.7M | 7.6M |
| BVF INC/IL | 81.7M | 5.8M |
| BlackRock, Inc. | 63.2M | 4.4M |
| Kynam Capital Management, LP | 44.3M | 3.1M |
| STATE STREET CORP | 36.2M | 2.5M |
| VANGUARD CAPITAL MANAGEMENT LLC | 35.3M | 2.5M |
| Blue Owl Capital Holdings LP | 27.1M | 1.9M |
| RTW INVESTMENTS, LP | 24.2M | 1.7M |
| Venrock Adviser, LLC | 19.6M | 1.4M |
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 →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 4 | 2026-08-14 | 2026-08-13 | on EDGAR ↗ |
| SCHEDULE 13G/A | 2026-08-14 | — | on EDGAR ↗ |
| SCHEDULE 13G | 2026-08-14 | — | on EDGAR ↗ |
| 144 | 2026-08-13 | — | on EDGAR ↗ |
| 8-K | 2026-08-13 | 2026-08-12 | 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 ↗ |
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
- Cullinan Therapeutics, Inc. (CGEM) filed form SCHEDULE 13G/A · 2026-08-14 · SEC EDGAR
- Cullinan Therapeutics, Inc. (CGEM) filed form SCHEDULE 13G · 2026-08-14 · SEC EDGAR
- Cullinan Therapeutics, Inc. (CGEM) filed form 4 · 2026-08-14 · SEC EDGAR
- Cullinan Therapeutics Zipalertinib Combo Clears Key Phase 3 Hurdle As First-Line Lung Cancer Treatment Option Takes Shape · 2026-08-13 · benzinga
- Cullinan Therapeutics, Inc. (CGEM) filed form 8-K · 2026-08-12 · SEC EDGAR
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