Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2025-04-09 Purchase | 2025-04-11 6:12 pm | Tectonic Therapeutic Inc. | TECX | SPRINGER TIMOTHY A Director 10% Owner | 141,923 | $16.2 | $2,299,015 | 6,024,338 (Indirect Direct) | View |
| 2025-04-09 Purchase | 2025-04-11 5:29 pm | Cartesian Therapeutics Inc. | RNAC | SPRINGER TIMOTHY A Director 10% Owner | 149,075 | $10.21 | $1,522,517 | 9,630,893 (Indirect Direct) | View |
| 2025-04-07 Purchase | 2025-04-09 5:38 pm | Tectonic Therapeutic Inc. | TECX | SPRINGER TIMOTHY A Director 10% Owner | 500,000 | $17.1 | $8,550,000 | 5,882,415 (Indirect Direct) | View |
| 2025-03-18 Purchase | 2025-03-20 7:50 pm | Cartesian Therapeutics Inc. | RNAC | SPRINGER TIMOTHY A Director 10% Owner | 89,863 | $15.26 | $1,371,154 | 9,481,818 (Indirect Direct) | View |
| 2025-02-05 Purchase | 2025-02-07 4:21 pm | Tectonic Therapeutic Inc. | TECX | SPRINGER TIMOTHY A Director 10% Owner | 789,294 | $50.68 | $39,999,977 | 5,382,415 (Indirect Direct) | View |
| 2025-01-13 Purchase | 2025-01-15 4:08 pm | Cartesian Therapeutics Inc. | RNAC | SPRINGER TIMOTHY A Director 10% Owner | 20,967 | $17.47 | $366,354 | 9,391,955 (Indirect Direct) | View |
| 2024-12-19 Purchase | 2024-12-23 5:20 pm | Cartesian Therapeutics Inc. | RNAC | SPRINGER TIMOTHY A Director 10% Owner | 52,189 | $18.49 | $965,021 | 9,368,388 (Indirect Direct) | View |
| 2024-11-14 Purchase | 2024-11-18 7:35 pm | Cartesian Therapeutics Inc. | RNAC | SPRINGER TIMOTHY A Director 10% Owner | 431,940 | $17.07 | $7,373,527 | 9,316,199 (Indirect Direct) | View |
| 2024-10-22 Purchase | 2024-10-24 5:04 pm | Tectonic Therapeutic Inc. | TECX | SPRINGER TIMOTHY A Director 10% Owner | 300,000 | $33.59 | $10,077,000 | 4,593,121 (Indirect Direct) | View |
| 2024-10-02 Purchase | 2024-10-04 5:58 pm | Cartesian Therapeutics Inc. | RNAC | SPRINGER TIMOTHY A Director 10% Owner | 205,721 | $20.87 | $4,293,545 | 12,759,887 (Indirect Direct) | View |
| 2024-09-26 Purchase | 2024-09-26 6:15 pm | Tectonic Therapeutic Inc. | TECX | SPRINGER TIMOTHY A Director 10% Owner | 50,000 | $28.82 | $1,440,829 | 6,464,684 (Indirect Direct) | View |
| 2024-08-12 Purchase | 2024-08-14 4:43 pm | Cartesian Therapeutics Inc. | RNAC | SPRINGER TIMOTHY A Director 10% Owner | 8,016 | $12.72 | $101,968 | 6,319,038 (Indirect Direct) | View |
| 2024-01-17 Purchase | 2024-03-28 5:11 pm | Cartesian Therapeutics Inc. | RNAC | SPRINGER TIMOTHY A Director 10% Owner | 18,400 | $0.62186 | $11,442 | 40,620,292 (Indirect Direct) | View |
| 2024-03-18 Purchase | 2024-03-20 5:09 pm | Cartesian Therapeutics Inc. | RNAC | SPRINGER TIMOTHY A Director 10% Owner | 19,044 | $0.5985 | $11,398 | 38,631,449 (Indirect Direct) | View |
| 2024-03-14 Purchase | 2024-03-18 5:29 pm | Cartesian Therapeutics Inc. | RNAC | SPRINGER TIMOTHY A Director 10% Owner | 1,185,872 | $0.5618 | $666,222 | 38,612,405 (Indirect Direct) | View |
| 2023-05-03 Purchase | 2023-05-04 7:06 pm | Morphic Holding Inc. | MORF | SPRINGER TIMOTHY A Director 10% Owner | 1,050,000 | $45 | $47,250,000 | 7,418,960 (Indirect Direct) | View |
| 2022-04-11 Purchase | 2022-04-13 9:07 pm | SELECTA BIOSCIENCES INC | SELB | SPRINGER TIMOTHY A Director 10% Owner | 6,681,600 | $0 | $0 | 42,259,733 (Indirect Direct) | View |
| 2021-12-15 Purchase | 2021-12-17 4:36 pm | SELECTA BIOSCIENCES INC | SELB | SPRINGER TIMOTHY A Director 10% Owner | 211,190 | $2.9883 | $631,099 | 30,566,933 (Indirect Direct) | View |
| 2021-12-09 Purchase | 2021-12-13 5:16 pm | SELECTA BIOSCIENCES INC | SELB | SPRINGER TIMOTHY A Director 10% Owner | 3,821,273 | $3.0586 | $11,687,810 | 30,355,743 (Indirect Direct) | View |
| 2021-08-18 Purchase | 2021-08-20 7:08 pm | Morphic Holding Inc. | MORF | SPRINGER TIMOTHY A Director 10% Owner | 74,927 | $56.23 | $4,213,155 | 5,520,305 (Indirect Direct) | View |
| 2021-05-24 Purchase | 2021-05-26 7:02 pm | Morphic Holding Inc. | MORF | SPRINGER TIMOTHY A Director 10% Owner | 130,000 | $46.28 | $6,015,992 | 5,445,378 (Indirect Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2025-01-02 Option Award | 2025-01-06 4:19 pm | 2026-01-02 2035-01-01 | Cartesian Therapeutics Inc. | RNAC | SPRINGER TIMOTHY A Director 10% Owner | 10,400 | $0 | 9,378,788 (Direct) | View |
| 2024-10-02 Other | 2024-10-04 5:58 pm | 2022-04-11 2027-04-11 | Cartesian Therapeutics Inc. | RNAC | SPRINGER TIMOTHY A Director 10% Owner | 4,505,650 | $0 | 12,759,887 (Indirect) | View |
| 2024-09-25 Exercise | 2024-09-27 4:13 pm | N/A N/A | Cartesian Therapeutics Inc. | RNAC | SPRINGER TIMOTHY A Director 10% Owner | 2,359,500 | $0 | 6,029,547 (Direct) | View |
| 2024-09-24 Other | 2024-09-26 6:15 pm | N/A N/A | Tectonic Therapeutic Inc. | TECX | SPRINGER TIMOTHY A Director 10% Owner | 2,481,786 | $0 | 6,464,684 (Indirect) | View |
| 2024-08-16 Equity Swap | 2024-08-20 7:10 pm | N/A N/A | Morphic Holding Inc. | MORF | SPRINGER TIMOTHY A Director 10% Owner | 7,419,818 | $0 | 0 (Direct) | View |
| 2024-07-02 Option Award | 2024-07-05 4:02 pm | N/A N/A | Cartesian Therapeutics Inc. | RNAC | SPRINGER TIMOTHY A Director 10% Owner | 2,359,500 | $20 | 7,949,161 (Direct) | View |
| 2024-06-20 Option Award | 2024-06-24 4:30 pm | N/A 2034-06-19 | Tectonic Therapeutic Inc. | TECX | SPRINGER TIMOTHY A Director 10% Owner | 4,254,881 | $0 | 4,254,881 (Direct) | View |
| 2024-06-04 Option Award | 2024-06-05 7:14 pm | N/A 2034-06-03 | Morphic Holding Inc. | MORF | SPRINGER TIMOTHY A Director 10% Owner | 23,168 | $0 | 23,168 (Direct) | View |
| 2024-04-08 Exercise | 2024-04-10 9:40 pm | N/A N/A | Cartesian Therapeutics Inc. | RNAC | SPRINGER TIMOTHY A Director 10% Owner | 5,105,725 | $0 | 6,485,662 (Direct) | View |
| 2024-03-26 Exercise | 2024-03-26 4:32 pm | 2019-12-23 2024-12-23 | Cartesian Therapeutics Inc. | RNAC | SPRINGER TIMOTHY A Director 10% Owner | 1,970,443 | $0 | 40,601,892 (Indirect) | View |
| 2024-03-26 Exercise | 2024-03-26 4:32 pm | N/A N/A | Cartesian Therapeutics Inc. | RNAC | SPRINGER TIMOTHY A Director 10% Owner | 1,970,443 | $1.46 | 40,601,892 (Indirect) | View |
| 2024-01-02 Option Award | 2024-01-04 5:06 pm | N/A 2034-01-01 | Cartesian Therapeutics Inc. | RNAC | SPRINGER TIMOTHY A Director 10% Owner | 406,000 | $0 | 37,654,533 (Direct) | View |
| 2023-11-15 Option Award | 2023-11-15 5:20 pm | N/A N/A | Cartesian Therapeutics Inc. | RNAC | SPRINGER TIMOTHY A Director 10% Owner | 148,710 | $403.47 | 37,397,243 (Indirect) | View |
| 2023-06-28 Other | 2023-06-30 7:03 pm | N/A N/A | Morphic Holding Inc. | MORF | SPRINGER TIMOTHY A Director 10% Owner | 429 | $0 | 7,420,676 (Direct) | View |
| 2023-06-01 Option Award | 2023-06-02 7:02 pm | N/A 2033-05-31 | Morphic Holding Inc. | MORF | SPRINGER TIMOTHY A Director 10% Owner | 12,535 | $0 | 12,535 (Direct) | View |
| 2023-02-13 Option Award | 2023-02-13 4:14 pm | N/A N/A | Morphic Holding Inc. | MORF | SPRINGER TIMOTHY A Director 10% Owner | 848,655 | $35.35 | 6,368,960 (Direct) | View |
| 2023-01-02 Option Award | 2023-01-04 4:59 pm | N/A 2033-01-01 | SELECTA BIOSCIENCES INC | SELB | SPRINGER TIMOTHY A Director 10% Owner | 75,000 | $0 | 75,000 (Direct) | View |
| 2022-06-08 Option Award | 2022-06-10 7:00 pm | N/A 2032-06-07 | Morphic Holding Inc. | MORF | SPRINGER TIMOTHY A Director 10% Owner | 17,550 | $0 | 17,550 (Direct) | View |
| 2021-06-16 Option Award(A) | 2022-04-29 4:21 pm | N/A 2031-06-16 | Morphic Holding Inc. | MORF | SPRINGER TIMOTHY A Director 10% Owner | 9,996 | $0 | 9,996 (Direct) | View |
| 2022-04-11 Option Award | 2022-04-13 9:07 pm | 2022-04-11 2027-04-11 | SELECTA BIOSCIENCES INC | SELB | SPRINGER TIMOTHY A Director 10% Owner | 5,011,200 | $0 | 42,259,733 (Indirect) | View |
| 2022-01-03 Option Award | 2022-01-05 4:35 pm | N/A 2032-01-02 | SELECTA BIOSCIENCES INC | SELB | SPRINGER TIMOTHY A Director 10% Owner | 40,000 | $0 | 40,000 (Direct) | View |
| 2021-06-16 Option Award | 2021-06-17 7:17 pm | N/A 2031-06-16 | Morphic Holding Inc. | MORF | SPRINGER TIMOTHY A Director 10% Owner | 12,000 | $0 | 12,000 (Direct) | View |