Simon Mark (CIK 1400717) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-01-21). Recent activity: Buy CABA (11,061 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-21 | Cabaletta Bio, Inc. (CABA) | Director | Buy | 11,061 | $25,219 |
Source: SEC Form 4 filings · as of 2026-01-21