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 |
2025-02-05 Sale |
2025-02-07 4:43 pm |
Tyra Biosciences Inc. | TYRA | Kjellson Nina S Director |
5,401 | $13.76 | $74,324 | 443,885 (Indirect) |
View |
2025-01-23 Sale |
2025-01-27 5:09 pm |
Tyra Biosciences Inc. | TYRA | Kjellson Nina S Director |
4,825 | $16.26 | $78,466 | 4,149,991 (Indirect) |
View |
2025-01-16 Sale |
2025-01-21 5:47 pm |
Tyra Biosciences Inc. | TYRA | Kjellson Nina S Director |
25,041 | $16.36 | $409,645 | 3,707,420 (Indirect) |
View |
2024-11-25 Sale |
2024-11-26 4:47 pm |
Tyra Biosciences Inc. | TYRA | Kjellson Nina S Director |
5,272 | $16.84 | $88,773 | 448,692 (Indirect) |
View |
2024-11-06 Sale |
2024-11-08 4:43 pm |
Tyra Biosciences Inc. | TYRA | Kjellson Nina S Director |
74,582 | $17.22 | $1,284,133 | 449,258 (Indirect) |
View |
2024-11-04 Sale |
2024-11-06 7:24 pm |
Tyra Biosciences Inc. | TYRA | Kjellson Nina S Director |
11,569 | $16.79 | $194,248 | 457,264 (Indirect) |
View |
2024-10-30 Sale |
2024-11-01 6:18 pm |
Tyra Biosciences Inc. | TYRA | Kjellson Nina S Director |
138,107 | $16.45 | $2,272,292 | 458,506 (Indirect) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2024-05-29 Option Award |
2024-05-31 4:30 pm |
N/A 2034-05-28 |
Tyra Biosciences Inc. | TYRA | Kjellson Nina S Director |
18,600 | $0 | 18,600 (Direct) |
View |
2023-05-31 Option Award |
2023-06-02 4:31 pm |
N/A 2033-05-30 |
Tyra Biosciences Inc. | TYRA | Kjellson Nina S Director |
14,500 | $0 | 14,500 (Direct) |
View |
2022-06-13 Option Award |
2022-06-15 4:46 pm |
N/A 2032-06-12 |
Tyra Biosciences Inc. | TYRA | Kjellson Nina S Director |
14,500 | $0 | 14,500 (Direct) |
View |
2021-09-17 Conversion(A) |
2021-09-20 6:36 pm |
N/A N/A |
Tyra Biosciences Inc. | TYRA | Kjellson Nina S Director |
6,107,840 | $0 | 473,396 (Indirect) |
View |
2021-09-17 Conversion |
2021-09-17 4:39 pm |
N/A N/A |
Tyra Biosciences Inc. | TYRA | Kjellson Nina S Director |
6,107,840 | $0 | 473,396 (Indirect) |
View |
Ownership |
2021-09-14 9:15 pm |
N/A N/A |
Tyra Biosciences Inc. | TYRA | Kjellson Nina S Director |
0 | $0 | 4,409,991 (Indirect) |
View |