| Filed | Form | Filer | Stake | Shares | |
|---|---|---|---|---|---|
| 2026-04-02 | SCHEDULE 13D/A | Kalayoglu Murat | 19.90% | 5,833,971 | view → |
| 2025-01-15 | SCHEDULE | SPRINGER TIMOTHY A | 36.90% | 9,555,394 | view → |
| 2024-07-05 | SC | SPRINGER TIMOTHY A | — | — | view → |
| 2021-12-27 | SC | SPRINGER TIMOTHY A | — | — | view → |
| 2021-05-27 | SC | SPRINGER TIMOTHY A | — | — | view → |
| 2020-10-23 | SC | SPRINGER TIMOTHY A | — | — | view → |
| 2020-10-15 | SC | SPRINGER TIMOTHY A | — | — | view → |
| 2020-02-05 | SC | ORBIMED ADVISORS LLC | — | — | view → |
| 2020-01-02 | SC | SPRINGER TIMOTHY A | — | — | view → |
| 2019-11-13 | SC | ORBIMED ADVISORS LLC | — | — | view → |
| 2019-02-04 | SC | Polaris Venture Partners V, L.P. | — | — | view → |
| 2018-05-03 | SC | Polaris Venture Partners V, L.P. | — | — | view → |
| 2018-01-26 | SC | ORBIMED ADVISORS LLC | — | — | view → |
| Filed | Form | Issuer | Stake | Shares | |
|---|---|---|---|---|---|
| 2025-02-10 | SCHEDULE | Tectonic Therapeutic, Inc. TECX | 29.20% | 4,226,058 | view → |
| 2025-01-15 | SCHEDULE | Cartesian Therapeutics, Inc. RNAC | 36.90% | 9,555,394 | view → |
| 2024-07-05 | SC | Cartesian Therapeutics, Inc. RNAC | — | — | view → |
| 2021-12-27 | SC | SELECTA BIOSCIENCES INC RNAC | — | — | view → |
| 2021-05-27 | SC | SELECTA BIOSCIENCES INC RNAC | — | — | view → |
| 2020-10-23 | SC | SELECTA BIOSCIENCES INC RNAC | — | — | view → |
| 2020-10-15 | SC | SELECTA BIOSCIENCES INC RNAC | — | — | view → |
| 2020-01-02 | SC | SELECTA BIOSCIENCES INC RNAC | — | — | view → |
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