8 insiders reported 8 Form 4 transactions for Cabaletta Bio, Inc. (CABA) over the past 18 months (most recent 2026-01-21). Recent activity: Chang David J. (Chief Medical Officer) Buy 8,800 shares, Bollard Catherine (Director) Buy 4,405 shares, Simon Mark (Director) Buy 11,061 shares, Gerard Michael (General Counsel) Buy 6,600 shares, Tomasello Shawn (Director) Buy 22,725 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-21 | Chang David J. | Chief Medical Officer | Buy | 8,800 | $19,888 |
| 2026-01-21 | Bollard Catherine | Director | Buy | 4,405 | $9,999 |
| 2026-01-21 | Simon Mark | Director | Buy | 11,061 | $25,219 |
| 2026-01-21 | Gerard Michael | General Counsel | Buy | 6,600 | $14,982 |
| 2026-01-21 | Tomasello Shawn | Director | Buy | 22,725 | $50,222 |
| 2026-01-21 | Nichtberger Steven | President & CEO | Buy | 45,000 | $100,800 |
| 2026-01-21 | Gavel Steve | Chief Commercial Officer | Buy | 22,170 | $50,326 |
| 2026-01-21 | Binder Gwendolyn | President, Science & Tech. | Buy | 11,312 | $24,773 |
Source: SEC Form 4 filings · as of 2026-01-21