Insider Activity of Breen Michael Martin
The largest purchase of all time was on 2023-04-11 and amounted to 50000 shares of GT Biopharma, Inc. for $25,000.
Biography of Breen Michael Martin
No biography is available at this moment.
The largest purchase of all time was on 2023-04-11 and amounted to 50000 shares of GT Biopharma, Inc. for $25,000.
No biography is available at this moment.
| 2023-04-11 | GT Biopharma, Inc. GTBP | Executive Chairman/Interim CEO | 50,000 0.123% | $0.50 | $25,000 | -45.96% |