Singer Michael (CIK 2000122) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-13). Recent activity: Sell RNAC (6,555 shares), Buy RNAC (2,600 shares), Sell RNAC (20,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-13 | Cartesian Therapeutics, Inc. (RNAC) | Director | Sell | 6,555 | $0 |
| 2026-01-06 | Cartesian Therapeutics, Inc. (RNAC) | Director | Buy | 2,600 | $0 |
| 2025-11-19 | Cartesian Therapeutics, Inc. (RNAC) | Director | Sell | 20,000 | $0 |
Source: SEC Form 4 filings · as of 2026-03-13