CABA
Cabaletta Bio, Inc.
NASDAQ · Healthcare · Biotechnology · US
$3.43
−1.42%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
+5.7%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Jun 10, 2026 | HENRIQUES RICHARD C JR · director | A-Award | 22,000 | $3.22 |
| Jun 10, 2026 | Bollard Catherine · director | A-Award | 22,000 | $3.22 |
| Jun 10, 2026 | Brun Scott C. · director | A-Award | 22,000 | $3.22 |
| Jun 10, 2026 | Tomasello Shawn · director | A-Award | 22,000 | $3.22 |
| Jun 10, 2026 | Simon Mark · director | A-Award | 22,000 | $3.22 |
| Mar 2, 2026 | Gerard Michael · officer: General Counsel | A-Award | 175,000 | $3.30 |
| Mar 2, 2026 | Das Arun · officer: Chief Business Officer | A-Award | 175,000 | $3.30 |
| Mar 2, 2026 | Binder Gwendolyn · officer: President, Science & Tech. | A-Award | 225,000 | $3.30 |
| Mar 2, 2026 | Marda Anup · officer: Chief Financial Officer | A-Award | 225,000 | $3.30 |
| Mar 2, 2026 | Chang David J. · officer: Chief Medical Officer | A-Award | 225,000 | $3.30 |
| Mar 2, 2026 | Nichtberger Steven · director, officer: President & CEO | A-Award | 674,000 | $3.30 |
| Jan 21, 2026 | Chang David J. · officer: Chief Medical Officer | Purchase | 8,800 | $2.26 |
| Jan 21, 2026 | Nichtberger Steven · director, officer: President & CEO | Purchase | 45,000 | $2.24 |
| Jan 21, 2026 | Simon Mark · director | Purchase | 11,061 | $2.28 |
| Jan 21, 2026 | Gerard Michael · officer: General Counsel | Purchase | 6,600 | $2.27 |
| Jan 21, 2026 | Tomasello Shawn · director | Purchase | 22,725 | $2.21 |
| Jan 21, 2026 | Gavel Steve · officer: Chief Commercial Officer | Purchase | 22,170 | $2.27 |
| Jan 21, 2026 | Bollard Catherine · director | Purchase | 4,405 | $2.27 |
| Jan 21, 2026 | Binder Gwendolyn · officer: President, Science & Tech. | Purchase | 11,312 | $2.19 |
| Oct 15, 2025 | Gavel Steve · officer: CHIEF COMMERCIAL OFFICER | A-Award | 275,000 | $2.49 |
| Jun 9, 2025 | Brun Scott C. · director | A-Award | 22,000 | $2.37 |
| Jun 9, 2025 | Simon Mark · director | A-Award | 22,000 | $2.37 |
| Jun 9, 2025 | HENRIQUES RICHARD C JR · director | A-Award | 22,000 | $2.37 |
| Jun 9, 2025 | Bollard Catherine · director | A-Award | 22,000 | $2.37 |
| Jun 9, 2025 | Tomasello Shawn · director | A-Award | 22,000 | $2.37 |
| May 19, 2025 | Binder Gwendolyn · officer: President, Science & Tech. | A-Award | 160,000 | $1.92 |
| May 19, 2025 | Binder Gwendolyn · officer: President, Science & Tech. | A-Award | 130,000 | $1.92 |
| May 19, 2025 | Binder Gwendolyn · officer: President, Science & Tech. | A-Award | 125,000 | $1.92 |
| May 19, 2025 | Binder Gwendolyn · officer: President, Science & Tech. | A-Award | 66,667 | $1.92 |
| May 19, 2025 | Binder Gwendolyn · officer: President, Science & Tech. | A-Award | 29,908 | $1.92 |
Institutional positioning
13F filings over the trailing two quarters
New 29Increased 32Reduced 32Sold out 111
| Filer | Action | Shares | Filed |
|---|---|---|---|
| T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | Reduced | 11,080,005 | May 15, 2026 |
| BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC | Unchanged | 9,677,125 | May 15, 2026 |
| JENNISON ASSOCIATES LLC | Increased | 8,970,578 | May 6, 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Unchanged | 8,829,758 | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | Increased | 5,903,281 | May 15, 2026 |
| CORMORANT ASSET MANAGEMENT, LP | Increased | 5,500,000 | May 15, 2026 |
| CITADEL ADVISORS LLC | Increased | 4,132,812 | Sep 2, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 4,028,991 | May 15, 2026 |
| TWO SIGMA INVESTMENTS, LP | Increased | 2,497,917 | May 15, 2026 |
| BLACKROCK, INC. | Increased | 2,373,003 | May 13, 2026 |
| MARSHALL WACE, LLP | Increased | 2,179,818 | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 2,036,663 | May 14, 2026 |
| QUBE RESEARCH & TECHNOLOGIES LTD | Increased | 1,934,990 | May 15, 2026 |
| MORGAN STANLEY | Reduced | 1,408,152 | May 15, 2026 |
| OPALEYE MANAGEMENT INC. | Reduced | 1,380,000 | May 15, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Jun 10, 2026