15 insiders reported 42 Form 4 transactions for Cartesian Therapeutics, Inc. (RNAC) over the past 18 months (most recent 2026-04-06). Recent activity: Seven One Eight Three Four Irrevocable Trust (Insider) Buy 758,001 shares, Kalayoglu Murat (Insider) Buy 758,001 shares, Hoge Elizabeth (Insider) Buy 758,001 shares, Singer Michael (Director) Sell 6,555 shares, Davis Blaine (Chief Financial Officer) Sell 10,591 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-06 | Seven One Eight Three Four Irrevocable Trust | Insider | Buy | 758,001 | $0 |
| 2026-04-06 | Kalayoglu Murat | Insider | Buy | 758,001 | $0 |
| 2026-04-06 | Hoge Elizabeth | Insider | Buy | 758,001 | $0 |
| 2026-03-13 | Singer Michael | Director | Sell | 6,555 | $0 |
| 2026-01-08 | Davis Blaine | Chief Financial Officer | Sell | 10,591 | $72,231 |
| 2026-01-08 | Miljkovic Milos | Chief Medical Officer | Sell | 3,573 | $24,368 |
| 2026-01-08 | Brunn Carsten | President and CEO | Sell | 23,766 | $162,084 |
| 2026-01-06 | ZENNER PATRICK J | Director | Buy | 2,600 | $0 |
| 2026-01-06 | Davis Blaine | Chief Financial Officer | Buy | 37,000 | $0 |
| 2026-01-06 | SPRINGER TIMOTHY A | Director | Buy | 2,600 | $0 |
| 2026-01-06 | DeSilva Nishan M | Director | Buy | 2,600 | $0 |
| 2026-01-06 | Singer Michael | Director | Buy | 2,600 | $0 |
| 2026-01-06 | BARABE TIMOTHY C | Director | Buy | 2,600 | $0 |
| 2026-01-06 | Miljkovic Milos | Chief Medical Officer | Buy | 27,000 | $0 |
| 2026-01-06 | English Emily | Chief Operations Officer | Buy | 24,000 | $0 |
| 2026-01-06 | Malik Kemal | Director | Buy | 2,600 | $0 |
| 2026-01-06 | Brunn Carsten | President and CEO | Buy | 143,200 | $0 |
| 2026-01-06 | Seymour June Ann | Chief Accounting Officer | Buy | 6,500 | $0 |
| 2026-01-06 | Kalayoglu Murat | Director | Buy | 2,600 | $0 |
| 2026-01-02 | English Emily | Chief Operations Officer | Buy | 7,500 | $24,750 |
| 2025-12-18 | Bot Adrian Ion | Director | Buy | 5,800 | $0 |
| 2025-12-08 | BARABE TIMOTHY C | Director | Buy | 30,000 | $205,800 |
| 2025-12-02 | English Emily | Chief Operations Officer | Buy | 7,500 | $24,750 |
| 2025-11-19 | Singer Michael | Director | Sell | 20,000 | $0 |
| 2025-05-14 | English Emily | Chief Operations Officer | Buy | 7,500 | $24,750 |
Source: SEC Form 4 filings · as of 2026-04-06