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 |
| 2024-04-08 Sale | 2024-04-10 5:15 pm | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 25,000 | $15.68 | $392,000 | 552,805 (Direct) | View |
| 2023-12-12 Sale | 2023-12-14 5:00 pm | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 50,000 | $13.32 | $666,250 | 577,805 (Direct) | View |
| 2023-04-05 Sale | 2023-04-07 5:00 pm | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 30,000 | $16.83 | $504,900 | 594,041 (Direct) | View |
| 2023-03-09 Purchase | 2023-03-13 07:54 am | ZEVRA THERAPEUTICS INC. | ZVRA | Tierney David S Director | 5,000 | $4.1463 | $20,732 | 10,835 (Direct) | View |
| 2022-08-22 Sale | 2022-08-23 5:01 pm | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 20,000 | $14.16 | $283,180 | 605,041 (Direct) | View |
| 2022-05-25 Purchase | 2022-05-26 8:30 pm | KEMPHARM INC | KMPH | Tierney David S Director | 2,000 | $4.39 | $8,780 | 5,835 (Direct) | View |
| 2022-05-20 Sale | 2022-05-24 4:30 pm | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 20,000 | $0 | $0 | 560,540 (Direct) | View |
| 2021-11-30 Purchase | 2021-11-30 4:10 pm | KEMPHARM INC | KMPH | Tierney David S Director | 2,000 | $7.789 | $15,578 | 3,835 (Direct) | View |
| 2021-08-13 Sale | 2021-08-17 4:48 pm | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 50,000 | $6.0779 | $303,895 | 613,041 (Direct) | View |
| 2020-08-18 Purchase | 2020-08-18 4:59 pm | KEMPHARM INC | KMPH | Tierney David S Director | 10,000 | $0.65317 | $6,532 | 29,372 (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 |
| 2024-04-08 Exercise | 2024-04-10 5:15 pm | N/A N/A | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 25,000 | $4.01 | 552,805 (Direct) | View |
| 2024-04-08 Exercise | 2024-04-10 5:15 pm | N/A 2025-01-02 | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 25,000 | $0 | 552,805 (Direct) | View |
| 2024-02-15 Exercise | 2024-02-16 5:01 pm | N/A N/A | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 4,000 | $0 | 577,805 (Direct) | View |
| 2024-01-02 Exercise | 2024-01-03 5:19 pm | N/A 2024-01-03 | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 10,000 | $0 | 577,805 (Direct) | View |
| 2024-01-02 Exercise | 2024-01-03 5:19 pm | N/A N/A | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 10,000 | $1.13 | 577,805 (Direct) | View |
| 2023-12-27 Exercise | 2023-12-29 5:00 pm | N/A N/A | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 1,333 | $0 | 577,805 (Direct) | View |
| 2023-12-12 Exercise | 2023-12-14 5:00 pm | N/A 2024-01-03 | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 50,000 | $0 | 577,805 (Direct) | View |
| 2023-12-12 Exercise | 2023-12-14 5:00 pm | N/A N/A | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 50,000 | $1.13 | 577,805 (Direct) | View |
| 2023-12-08 Option Award | 2023-12-12 5:00 pm | N/A 2030-12-08 | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 33,764 | $0 | 584,288 (Direct) | View |
| 2023-05-11 Exercise | 2023-05-12 5:01 pm | N/A N/A | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 20,000 | $0.79 | 594,041 (Direct) | View |
| 2023-05-11 Exercise | 2023-05-12 5:01 pm | N/A 2023-06-15 | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 20,000 | $0 | 594,041 (Direct) | View |
| 2023-04-05 Exercise | 2023-04-07 5:00 pm | N/A N/A | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 30,000 | $0.79 | 594,041 (Direct) | View |
| 2023-04-05 Exercise | 2023-04-07 5:00 pm | N/A 2023-06-15 | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 30,000 | $0 | 594,041 (Direct) | View |
| 2023-02-15 Exercise | 2023-02-17 5:00 pm | N/A N/A | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 4,000 | $0 | 624,041 (Direct) | View |
| 2022-12-27 Option Award | 2022-12-29 4:50 pm | N/A 2029-12-27 | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 19,000 | $0 | 625,000 (Direct) | View |
| 2022-12-06 Exercise | 2022-12-08 5:05 pm | N/A N/A | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 1,334 | $0 | 605,041 (Direct) | View |
| 2022-08-22 Exercise | 2022-08-23 5:01 pm | N/A N/A | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 20,000 | $2.53 | 605,041 (Direct) | View |
| 2022-08-22 Exercise | 2022-08-23 5:01 pm | N/A 2022-12-30 | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 20,000 | $0 | 605,041 (Direct) | View |
| 2022-06-28 Option Award | 2022-06-30 5:20 pm | N/A 2032-06-27 | KEMPHARM INC | KMPH | Tierney David S Director | 15,000 | $0 | 15,000 (Direct) | View |
| 2022-05-20 Exercise | 2022-05-24 4:30 pm | N/A N/A | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 20,000 | $2.53 | 560,540 (Direct) | View |
| 2022-05-20 Exercise | 2022-05-24 4:30 pm | N/A 2022-12-30 | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 20,000 | $0 | 560,540 (Direct) | View |
| 2022-02-14 Option Award | 2022-02-16 5:05 pm | N/A N/A | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 12,000 | $0 | 336,834 (Direct) | View |
| 2021-12-28 Option Award | 2021-12-30 4:50 pm | N/A 2028-12-28 | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 20,000 | $0 | 324,834 (Direct) | View |
| 2021-12-03 Exercise | 2021-12-06 5:13 pm | N/A N/A | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 1,333 | $0 | 613,041 (Direct) | View |
| 2021-08-13 Exercise | 2021-08-17 4:48 pm | N/A N/A | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 50,000 | $3.12 | 613,041 (Direct) | View |
| 2021-08-13 Exercise | 2021-08-17 4:48 pm | N/A 2021-08-28 | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 50,000 | $0 | 613,041 (Direct) | View |
| 2021-06-17 Option Award | 2021-06-21 08:36 am | N/A 2031-06-16 | KEMPHARM INC | KMPH | Tierney David S Director | 15,000 | $0 | 15,000 (Direct) | View |
| 2020-12-30 Option Award | 2021-01-04 4:42 pm | N/A 2027-12-30 | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 30,000 | $0 | 356,167 (Direct) | View |
| 2020-12-22 Exercise | 2020-12-23 6:15 pm | N/A N/A | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 1,333 | $0 | 633,041 (Direct) | View |
| 2020-06-19 Option Award | 2020-06-22 8:44 pm | N/A 2030-06-18 | KEMPHARM INC | KMPH | Tierney David S Director | 30,000 | $0 | 30,000 (Direct) | View |
| 2019-12-02 Option Award | 2019-12-04 5:20 pm | N/A 2026-12-02 | CATALYST PHARMACEUTICALS INC. | CPRX | Tierney David S Director | 37,500 | $0 | 651,000 (Direct) | View |
| 2019-06-30 Option Award | 2019-07-02 5:04 pm | N/A N/A | KEMPHARM INC | KMPH | Tierney David S Director | 6,428 | $0 | 19,372 (Direct) | View |
| 2019-06-12 Option Award | 2019-06-14 4:54 pm | 2019-07-31 2029-06-12 | BioPharmX Corp | BPMX | Tierney David S Pres and CEO | 360,000 | $0.84 | 360,000 (Direct) | View |
| 2019-05-10 Option Award | 2019-05-14 8:39 pm | N/A N/A | KEMPHARM INC | KMPH | Tierney David S Director | 6,944 | $0 | 12,944 (Direct) | View |