CABA — Cabaletta Bio, 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 2019-10-25.
Performance
Technicals
Others in Healthcare
Measured signals that fired on CABA
| date | signal | measured base rate |
|---|---|---|
| 2026-08-03 | 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 |
| 2026-07-16 | 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 |
| 2026-07-15 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
| 2026-05-04 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 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 |
|---|---|---|---|---|---|
| 2026-01-21 | Nichtberger Steven President & CEO | Open-market purchase | 45.0K | 2.24 | 100.8K |
| 2026-01-21 | Gavel Steve Chief Commercial Officer | Open-market purchase | 22.2K | 2.27 | 50.3K |
| 2026-01-21 | Tomasello Shawn Director | Open-market purchase | 22.7K | 2.21 | 50.2K |
| 2026-01-21 | Simon Mark Director | Open-market purchase | 11.1K | 2.28 | 25.2K |
| 2026-01-21 | Binder Gwendolyn President, Science & Tech. | Open-market purchase | 11.3K | 2.19 | 24.8K |
| 2026-01-21 | Chang David J. Chief Medical Officer | Open-market purchase | 8.8K | 2.26 | 19.9K |
| 2026-01-21 | Gerard Michael General Counsel | Open-market purchase | 6.6K | 2.27 | 15.0K |
| 2026-01-21 | Bollard Catherine Director | Open-market purchase | 4.4K | 2.27 | 10.0K |
| 2024-01-19 | Binder Gwendolyn See Remarks | Open-market sale | 10.3K | 19.54 | 201.3K |
| 2024-01-19 | Binder Gwendolyn See Remarks | Open-market sale | 700 | 20.33 | 14.2K |
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 |
|---|---|---|
| Bain Capital Life Sciences Investors, LLC | 26.0M | 9.7M |
| JENNISON ASSOCIATES LLC | 24.1M | 9.0M |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 23.8M | 8.8M |
| MILLENNIUM MANAGEMENT LLC | 15.9M | 5.9M |
| Cormorant Asset Management, LP | 14.8M | 5.5M |
| VANGUARD CAPITAL MANAGEMENT LLC | 10.8M | 4.0M |
| TWO SIGMA INVESTMENTS, LP | 6.7M | 2.5M |
| BlackRock, Inc. | 6.4M | 2.4M |
| MARSHALL WACE, LLP | 5.9M | 2.2M |
| RENAISSANCE TECHNOLOGIES LLC | 5.5M | 2.0M |
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 →
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
- Why is Cabaletta Bio stock sliding today? · 2026-08-13
- Cabaletta Bio, Inc. (CABA) filed form 8-K · 2026-08-13 · SEC EDGAR
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