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.
"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 |
2020-11-16 Purchase | 2021-10-07 2:47 pm | GT Biopharma Inc. | GTBP | Wendel Bruce Director | 5,083 | $5.1739 | $26,299 | 402,655 (Direct) | View |
2020-12-21 Sale | 2020-12-23 4:24 pm | GT Biopharma Inc. | GTBP | Weldon Steven W Former Officer and Director | 183,700 | $0.34206 | $62,837 | 3,720,000 (Direct) | View |
2020-12-16 Sale | 2020-12-18 4:24 pm | GT Biopharma Inc. | GTBP | Weldon Steven W Former Officer and Director | 200,000 | $0.3025 | $60,500 | 3,903,700 (Direct) | View |
2020-12-11 Sale | 2020-12-15 5:40 pm | GT Biopharma Inc. | GTBP | Weldon Steven W Former Officer and Director | 396,300 | $0.28621 | $113,427 | 4,103,700 (Direct) | View |
2020-06-02 Sale | 2020-06-04 5:15 pm | GT Biopharma Inc. | GTBP | Cataldo Tony CEO 10% Owner | 4,234,320 | $0.001 | $4,234 | 6,500,000 (Direct) | View |
2020-05-13 Sale | 2020-05-14 1:40 pm | GT Biopharma Inc. | GTBP | Weldon Steven W CFO | 2,269,708 | $0.001 | $2,270 | 4,500,000 (Direct) | View |
2019-02-01 Sale | 2019-03-19 2:38 pm | GT Biopharma Inc. | GTBP | Urbanski Raymond W. CEO | 176,980 | $0.001 | $177 | 1,351,918 (Direct) | View |
2019-02-06 Sale | 2019-02-13 11:22 am | GT Biopharma Inc. | GTBP | Cataldo Tony Director | 800,000 | $0.001 | $800 | 4,029,600 (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 |
2021-02-16 Option Award | 2022-02-14 5:10 pm | N/A 2031-02-15 | GT Biopharma Inc. | GTBP | Berk Gregory Director | 328,058 | $0 | 328,058 (Direct) | View |
2021-02-16 Option Award | 2022-02-14 4:13 pm | N/A 2031-02-15 | GT Biopharma Inc. | GTBP | SHROTRIYA RAJESH C MD Director | 50,000 | $0 | 50,000 (Direct) | View |
2021-12-31 Option Award | 2022-02-14 4:09 pm | N/A 2031-12-31 | GT Biopharma Inc. | GTBP | Choy Gavin CFO | 227,500 | $0 | 227,500 (Direct) | View |
2021-02-16 Conversion | 2021-11-12 12:01 pm | N/A N/A | GT Biopharma Inc. | GTBP | Breen Michael Martin Director | 50,102 | $3.4 | 378,160 (Direct) | View |
2021-02-16 Option Award | 2021-11-12 12:01 pm | N/A 2031-02-15 | GT Biopharma Inc. | GTBP | Breen Michael Martin Director | 328,058 | $0 | 378,160 (Direct) | View |
2021-02-16 Conversion | 2021-11-12 12:01 pm | 2018-09-07 N/A | GT Biopharma Inc. | GTBP | Breen Michael Martin Director | 130,000 | $0 | 378,160 (Direct) | View |
2021-01-13 Ownership | 2021-11-12 12:01 pm | 2018-09-07 N/A | GT Biopharma Inc. | GTBP | Breen Michael Martin Director | 0 | $0 | 0 (Direct) | View |
2020-11-16 Option Award | 2021-10-07 2:47 pm | N/A 2031-02-15 | GT Biopharma Inc. | GTBP | Wendel Bruce Director | 397,572 | $0 | 402,655 (Direct) | View |
2019-08-14 Option Award | 2019-08-16 4:57 pm | N/A N/A | GT Biopharma Inc. | GTBP | Cataldo Tony CEO 10% Owner | 7,000,000 | $0 | 10,734,320 (Direct) | View |
2019-08-14 Option Award | 2019-08-16 4:51 pm | N/A N/A | GT Biopharma Inc. | GTBP | Weldon Steven W CFO 10% Owner | 4,500,000 | $0 | 6,769,707 (Direct) | View |
2017-09-01 Gift | 2017-12-01 7:12 pm | N/A N/A | GT Biopharma Inc. | GTBP | Cataldo Tony Chairman 10% Owner | 3,300,000 | $0 | 1,843,029 (Direct) | View |
2017-09-01 Option Award | 2017-12-01 7:12 pm | N/A N/A | GT Biopharma Inc. | GTBP | Cataldo Tony Chairman 10% Owner | 5,129,660 | $0 | 1,843,029 (Direct) | View |
2017-09-01 Ownership | 2017-12-01 5:35 pm | N/A N/A | GT Biopharma Inc. | GTBP | Urbanski Raymond W. Chief Medical Officer | 0 | $0 | 1,528,989 (Direct) | View |
2017-09-01 Ownership | 2017-12-01 5:25 pm | N/A N/A | GT Biopharma Inc. | GTBP | Clarence-Smith Kathleen CEO 10% Owner | 0 | $0 | 8,505,633 (Direct) | View |
2017-09-01 Option Award | 2017-12-01 5:17 pm | N/A N/A | GT Biopharma Inc. | GTBP | Weldon Steven W CFO | 2,566,835 | $0 | 2,568,840 (Direct) | View |
2017-09-01 Ownership | 2017-12-01 5:06 pm | N/A N/A | GT Biopharma Inc. | GTBP | Silverman Mark J 10% Owner | 0 | $0 | 8,172,079 (Direct) | View |