Brunn Carsten
Insider CIK 1760229 · SELB President and CEO, Director · SURF Director
Trades across companies
| Ticker | Code | Trade | Filed | Shares | Price | Value | Owned after | |
|---|---|---|---|---|---|---|---|---|
| RNAC Cartesian Therapeutics, In | S Sale | 2026-01-06 | 2026-01-08 | 23,766 | $6.82 | $162.1K | 323,530 | SEC↗ |
| RNAC Cartesian Therapeutics, In | A Award deriv | 2026-01-02 | 2026-01-06 | 415,700 | — | $0 | 415,700 | SEC↗ |
| RNAC Cartesian Therapeutics, In | A Award | 2026-01-02 | 2026-01-06 | 143,200 | — | $0 | 347,296 | SEC↗ |
| RNAC Cartesian Therapeutics, In | S Sale | 2025-01-06 | 2025-01-07 | 8,708 | $16.83 | $146.6K | 204,096 | SEC↗ |
| RNAC Cartesian Therapeutics, In | S Sale | 2025-01-03 | 2025-01-07 | 8,563 | $16.72 | $143.2K | 212,804 | SEC↗ |
| RNAC Cartesian Therapeutics, In | A Award deriv | 2025-01-02 | 2025-01-06 | 169,100 | — | $0 | 169,100 | SEC↗ |
| RNAC Cartesian Therapeutics, In | A Award | 2025-01-02 | 2025-01-06 | 57,500 | — | $0 | 221,367 | SEC↗ |
| RNAC Cartesian Therapeutics, In | A Award deriv | 2024-01-02 | 2024-01-04 | 5,971,000 | — | $0 | 5,971,000 | SEC↗ |
| RNAC Cartesian Therapeutics, In | A Award | 2024-01-02 | 2024-01-04 | 4,654,100 | — | $0 | 4,916,056 | SEC↗ |
| RNAC Cartesian Therapeutics, In | D To issuer deriv | 2023-11-13 | 2023-11-15 | 75,000 | — | $0 | 0 | SEC↗ |
| RNAC Cartesian Therapeutics, In | D To issuer deriv | 2023-11-13 | 2023-11-15 | 1,000,000 | — | $0 | 0 | SEC↗ |
| RNAC Cartesian Therapeutics, In | D To issuer deriv | 2023-11-13 | 2023-11-15 | 1,275,000 | $0.93 | $1.19M | 0 | SEC↗ |
| RNAC Cartesian Therapeutics, In | D To issuer deriv | 2023-11-13 | 2023-11-15 | 1,056,100 | — | $0 | 0 | SEC↗ |
| RNAC Cartesian Therapeutics, In | D To issuer deriv | 2023-11-13 | 2023-11-15 | 163,000 | — | $0 | 0 | SEC↗ |
| RNAC Cartesian Therapeutics, In | D To issuer deriv | 2023-11-13 | 2023-11-15 | 670,000 | — | $0 | 0 | SEC↗ |
| RNAC Cartesian Therapeutics, In | D To issuer deriv | 2023-11-13 | 2023-11-15 | 600,000 | — | $0 | 0 | SEC↗ |
| RNAC Cartesian Therapeutics, In | D To issuer deriv | 2023-11-13 | 2023-11-15 | 400,000 | $0.31 | $124.0K | 0 | SEC↗ |
| RNAC Cartesian Therapeutics, In | D To issuer deriv | 2023-11-13 | 2023-11-15 | 330,000 | — | $0 | 0 | SEC↗ |
| RNAC Cartesian Therapeutics, In | D To issuer | 2023-11-13 | 2023-11-15 | 169,725 | $2.06 | $349.6K | 544,756 | SEC↗ |
| RNAC Cartesian Therapeutics, In | D To issuer | 2023-11-13 | 2023-11-15 | 282,800 | $2.06 | $582.6K | 261,956 | SEC↗ |
| RNAC Cartesian Therapeutics, In | D To issuer | 2023-11-13 | 2023-11-15 | 55,000 | $2.06 | $113.3K | 728,081 | SEC↗ |
| RNAC Cartesian Therapeutics, In | D To issuer | 2023-11-13 | 2023-11-15 | 13,600 | $2.06 | $28.0K | 714,481 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2023-09-25 | 2023-09-26 | 2,932 | $1.06 | $3.1K | 783,081 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2023-01-05 | 2023-01-06 | 77 | $1.12 | $86 | 786,013 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2023-01-05 | 2023-01-06 | 13,396 | $1.13 | $15.1K | 786,090 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2023-01-04 | 2023-01-06 | 27,549 | $1.13 | $31.1K | 799,534 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2023-01-04 | 2023-01-06 | 48 | $1.15 | $55 | 799,486 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | A Award deriv | 2023-01-02 | 2023-01-04 | 1,275,000 | — | $0 | 1,275,000 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | A Award | 2023-01-02 | 2023-01-04 | 282,800 | — | $0 | 827,083 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2022-12-05 | 2022-12-07 | 4,522 | $1.33 | $6.0K | 544,283 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise deriv | 2022-12-01 | 2022-12-05 | 10,938 | — | $0 | 0 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise | 2022-12-01 | 2022-12-05 | 10,938 | — | $0 | 548,805 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2022-09-28 | 2022-09-30 | 2,692 | $1.66 | $4.5K | 537,867 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2022-09-02 | 2022-09-06 | 4,768 | $1.85 | $8.8K | 540,559 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise deriv | 2022-09-01 | 2022-09-06 | 10,937 | — | $0 | 10,938 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise | 2022-09-01 | 2022-09-06 | 10,937 | — | $0 | 545,327 | SEC↗ |
| SURF Surface Oncology, Inc. | A Award deriv | 2022-06-28 | 2022-06-30 | 48,000 | — | $0 | 48,000 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise deriv | 2022-06-01 | 2022-06-03 | 10,938 | — | $0 | 21,875 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise | 2022-06-01 | 2022-06-03 | 10,938 | — | $0 | 534,390 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2022-03-02 | 2022-03-03 | 5,443 | $1.81 | $9.9K | 523,452 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise deriv | 2022-03-01 | 2022-03-03 | 10,937 | — | $0 | 32,813 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise | 2022-03-01 | 2022-03-03 | 10,937 | — | $0 | 528,895 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2022-01-05 | 2022-01-07 | 13,597 | $3.09 | $42.0K | 517,958 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | A Award deriv | 2022-01-03 | 2022-01-05 | 1,056,100 | — | $0 | 1,056,100 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | A Award | 2022-01-03 | 2022-01-05 | 226,300 | — | $0 | 531,555 | SEC↗ |
| SELB | S Sale | 2021-12-10 | 2021-12-14 | 17,196 | $2.99 | $51.4K | 305,255 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | A Award | 2021-12-08 | 2021-12-10 | 37,500 | — | $0 | 322,451 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2021-12-02 | 2021-12-03 | 4,746 | $2.96 | $14.0K | 284,951 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise deriv | 2021-12-01 | 2021-12-03 | 10,938 | — | $0 | 43,750 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise | 2021-12-01 | 2021-12-03 | 10,938 | — | $0 | 289,697 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2021-10-13 | 2021-10-15 | 15,313 | $4.39 | $67.2K | 278,759 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | A Award | 2021-10-01 | 2021-10-05 | 37,500 | — | $0 | 294,072 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | A Award deriv | 2021-09-24 | 2021-09-28 | 163,000 | — | $0 | 163,000 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | A Award | 2021-09-24 | 2021-09-28 | 27,200 | — | $0 | 256,572 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2021-09-02 | 2021-09-03 | 4,523 | $4.51 | $20.4K | 229,372 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise deriv | 2021-09-01 | 2021-09-03 | 10,937 | — | $0 | 54,688 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise | 2021-09-01 | 2021-09-03 | 10,937 | — | $0 | 233,895 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2021-06-02 | 2021-06-03 | 4,806 | $4.38 | $21.1K | 222,958 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise deriv | 2021-06-01 | 2021-06-03 | 10,938 | — | $0 | 65,625 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise | 2021-06-01 | 2021-06-03 | 10,938 | — | $0 | 227,764 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2021-03-02 | 2021-03-03 | 5,461 | $4.26 | $23.3K | 216,826 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise deriv | 2021-03-01 | 2021-03-03 | 10,937 | — | $0 | 76,563 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise | 2021-03-01 | 2021-03-03 | 10,937 | — | $0 | 222,287 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | A Award deriv | 2021-01-04 | 2021-01-06 | 670,000 | — | $0 | 670,000 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | A Award | 2021-01-04 | 2021-01-06 | 110,000 | — | $0 | 211,350 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2020-12-02 | 2020-12-03 | 3,323 | $3.35 | $11.1K | 101,350 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise deriv | 2020-12-01 | 2020-12-03 | 10,938 | — | $0 | 87,500 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise | 2020-12-01 | 2020-12-03 | 10,938 | — | $0 | 104,673 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2020-09-02 | 2020-09-03 | 3,364 | $2.39 | $8.0K | 93,735 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise deriv | 2020-09-01 | 2020-09-03 | 10,937 | — | $0 | 98,438 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise | 2020-09-01 | 2020-09-03 | 10,937 | — | $0 | 97,099 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | A Award deriv | 2020-07-01 | 2020-07-06 | 75,000 | — | $0 | 75,000 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2020-06-02 | 2020-06-03 | 3,253 | $3.86 | $12.6K | 86,162 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise deriv | 2020-06-01 | 2020-06-03 | 10,938 | — | $0 | 109,375 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise | 2020-06-01 | 2020-06-03 | 10,938 | — | $0 | 89,415 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2020-03-03 | 2020-03-03 | 3,374 | $3.86 | $13.0K | 78,477 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise deriv | 2020-03-01 | 2020-03-03 | 10,937 | — | $0 | 120,313 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise | 2020-03-01 | 2020-03-03 | 10,937 | — | $0 | 81,851 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | A Award deriv | 2020-01-02 | 2020-01-06 | 600,000 | — | $0 | 600,000 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | S Sale | 2019-12-02 | 2019-12-03 | 14,272 | $1.53 | $21.8K | 70,914 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise deriv | 2019-12-01 | 2019-12-03 | 43,750 | — | $0 | 131,250 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | M Exercise | 2019-12-01 | 2019-12-03 | 43,750 | — | $0 | 85,186 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | A Award deriv | 2019-10-07 | 2019-10-09 | 400,000 | — | $0 | 400,000 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | A Award | 2019-08-20 | 2019-08-20 | 41,436 | $1.81 | $75.0K | 41,436 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | A Award deriv | 2019-02-25 | 2019-02-27 | 330,000 | — | $0 | 330,000 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | A Award deriv | 2018-12-01 | 2018-12-03 | 1,000,000 | — | $0 | 1,000,000 | SEC↗ |
| SELB SELECTA BIOSCIENCES INC | A Award deriv | 2018-12-01 | 2018-12-03 | 175,000 | — | $0 | 175,000 | SEC↗ |