Cartesian Therapeutics, Inc. — Insider Transactions
Form 4 filings by directors, officers, and 10%+ shareholders
SEC rules require corporate insiders — including directors, executive officers, and any shareholder owning more than 10% of a company's shares — to report changes in their ownership within two business days of a transaction. These disclosures are filed as Form 4. Open-market purchases (code P) are generally considered the most meaningful signal, as insiders are spending their own money.
| Insider | Title | Type | Shares | Price | Value | Owns After | Date |
|---|---|---|---|---|---|---|---|
| Kalayoglu Murat | — | Option Exercise | 2,926,764 | — | — | 3,036,887 | Apr 8, 2024 |
| SPRINGER TIMOTHY A | — | Option Exercise | 24,785 | — | — | — | Apr 8, 2024 |
| Seven One Eight Three Four Irrevocable Trust | — | C | 2,926,764 | — | — | 3,036,887 | Apr 8, 2024 |
| SPRINGER TIMOTHY A | — | Option Exercise | 1,970,443 | $1.46 | $2,876,847 | 33,043,849 | Mar 26, 2024 |
| SPRINGER TIMOTHY A | — | Purchase | 1,200 | $0.61 | $732 | 97,618 | Mar 18, 2024 |
| SPRINGER TIMOTHY A | — | Purchase | 19,044 | $0.60 | $11,426 | 31,073,406 | Mar 18, 2024 |
| SPRINGER TIMOTHY A | — | Purchase | 648,372 | $0.54 | $350,121 | 30,516,862 | Mar 15, 2024 |
| Singer Michael | — | Award / Grant | 178,000 | — | — | 288,123 | Jan 2, 2024 |
| Davis Blaine | Chief Financial Officer | Award / Grant | 2,424,000 | — | — | 2,424,000 | Jan 2, 2024 |
| Jewell Christopher M | Chief Scientific Officer | Award / Grant | 778,200 | — | — | 778,200 | Jan 2, 2024 |
| Brunn Carsten | President and CEO | Award / Grant | 4,654,100 | — | — | 4,916,056 | Jan 2, 2024 |
| Sallin Aymeric | — | Award / Grant | 178,000 | — | — | 178,000 | Jan 2, 2024 |
| BARABE TIMOTHY C | — | Award / Grant | 178,000 | — | — | 428,013 | Jan 2, 2024 |
| SPRINGER TIMOTHY A | — | Award / Grant | 178,000 | — | — | 7,471,625 | Jan 2, 2024 |
| Miljkovic Milos | Chief Medical Officer | Award / Grant | 548,200 | — | — | 548,200 | Jan 2, 2024 |
| DeSilva Nishan M | — | Award / Grant | 178,000 | — | — | 185,000 | Jan 2, 2024 |
| COX CARRIE SMITH | — | Award / Grant | 178,000 | — | — | 390,881 | Jan 2, 2024 |
| ZENNER PATRICK J | — | Award / Grant | 178,000 | — | — | 233,248 | Jan 2, 2024 |
| Kalayoglu Murat | — | Award / Grant | 178,000 | — | — | 435,739 | Jan 2, 2024 |
| Kurtoglu Metin | Chief Operating Officer | Award / Grant | 1,531,000 | — | — | 1,531,000 | Jan 2, 2024 |
| SPRINGER TIMOTHY A | — | Award / Grant | 123,925 | $403.47 | $50,000,185 | 123,925 | Nov 15, 2023 |
| Brunn Carsten | President and CEO | Disposition | 169,725 | $2.06 | $349,634 | 544,756 | Nov 13, 2023 |
| Singer Michael | — | Other | 7,616 | — | — | 7,616 | Nov 13, 2023 |
| Kalayoglu Murat | — | Other | 3,303,699 | — | — | 3,303,699 | Nov 13, 2023 |
| Brunn Carsten | President and CEO | Sale | 2,932 | $1.06 | $3,108 | 783,081 | Sep 25, 2023 |
| TRABER PETER G | Chief Medical Officer | Sale | 705 | $1.06 | $747 | 451,826 | Sep 25, 2023 |
| Kishimoto Takashi Kei | Chief Scientific Officer | Gift | 26,500 | — | — | 251,816 | May 31, 2023 |
| Brunn Carsten | President and CEO | Sale | 77 | $1.12 | $86 | 786,013 | Jan 5, 2023 |
| Kishimoto Takashi Kei | Chief Scientific Officer | Sale | 20 | $1.11 | $22 | 364,316 | Jan 5, 2023 |
| TRABER PETER G | Chief Medical Officer | Sale | 20 | $1.11 | $22 | 446,121 | Jan 5, 2023 |
| Johnston Lloyd P. | Chief Operations Officer | Sale | 11 | $1.14 | $13 | 268,907 | Jan 4, 2023 |
| Brunn Carsten | President and CEO | Award / Grant | 282,800 | — | — | 827,083 | Jan 2, 2023 |
| Johnston Lloyd P. | Chief Operations Officer | Award / Grant | 100,000 | — | — | 275,299 | Jan 2, 2023 |
| Kishimoto Takashi Kei | Chief Scientific Officer | Award / Grant | 100,000 | — | — | 374,100 | Jan 2, 2023 |
| TRABER PETER G | Chief Medical Officer | Award / Grant | 200,000 | — | — | 457,765 | Jan 2, 2023 |
| Brunn Carsten | President and CEO | Sale | 4,522 | $1.33 | $6,014 | 544,283 | Dec 5, 2022 |
| Brunn Carsten | President and CEO | Option Exercise | 10,938 | — | — | 548,805 | Dec 1, 2022 |
| Brunn Carsten | President and CEO | Sale | 2,692 | $1.66 | $4,469 | 537,867 | Sep 28, 2022 |
| Brunn Carsten | President and CEO | Sale | 4,768 | $1.85 | $8,821 | 540,559 | Sep 1, 2022 |
| COX CARRIE SMITH | — | Purchase | 130,000 | $1.15 | $149,500 | 212,881 | Jun 13, 2022 |
| Brunn Carsten | President and CEO | Option Exercise | 10,938 | — | — | 534,390 | Jun 1, 2022 |
| BARABE TIMOTHY C | — | Purchase | 50,000 | $0.77 | $38,500 | 250,013 | May 9, 2022 |
| SPRINGER TIMOTHY A | — | Purchase | 6,681,600 | — | — | 29,868,490 | Apr 11, 2022 |
| Brunn Carsten | President and CEO | Sale | 5,443 | $1.81 | $9,852 | 523,452 | Mar 1, 2022 |
| BARABE TIMOTHY C | — | Option Exercise | 10,000 | $2.10 | $21,000 | 200,013 | Jan 14, 2022 |
| TRABER PETER G | Chief Medical Officer | Sale | 3,226 | $3.09 | $9,968 | 251,355 | Jan 5, 2022 |
| Kishimoto Takashi Kei | Chief Scientific Officer | Sale | 3,416 | $3.09 | $10,555 | 268,353 | Jan 5, 2022 |
| Johnston Lloyd P. | Chief Operations Officer | Sale | 3,416 | $3.09 | $10,555 | 175,299 | Jan 5, 2022 |
| Brunn Carsten | President and CEO | Sale | 13,597 | $3.09 | $42,015 | 517,958 | Jan 5, 2022 |
| TRABER PETER G | Chief Medical Officer | Award / Grant | 90,200 | — | — | 254,581 | Jan 3, 2022 |