OTCBB:GTBP

Gt Biopharma Stock Insider Trading

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*Your capital is at risk
$0.294
-0.0143 (-4.65%)
At Close: Jul 31, 2026

GT Biopharma Stock Insider Power

Based on the 100 latest insides trades, we have calculated the insider power to be positive at 100.00. In total, the insiders bought 10.86M and sold 660K GTBP shares in the last 100 trades. The insider score can be negative despite buy/sell ratio being positive. The score focuses on the quality of the trades.

Insider Power

(Last 100 transactions)
100.00
Buy 10.86M shares
Sell 660K shares
94% Buy Activity
Weak Negative Correlation

No Significant Signals

No statistically significant buy or sell signals detected in recent insider data.

Historical Insider Trades

Date Type Person Role Amount
Aug 11, 2023
Buy
Common Stock
A-Award
Ohri Manu
CFO & Secretary
C-Suite Officer 200 000
Value: $57.4K
Aug 11, 2023
Buy
Common Stock
J-Other
Ohri Manu
CFO & Secretary
C-Suite Officer 200 000
Value: $57.4K
Aug 11, 2023
Buy
Common Stock
A-Award
Breen Michael Martin
Executive Chairman/interim CEO
CEO / President 200 000
Value: $57.4K
Jun 16, 2023
Buy
Option to purchase Common Stock
A-Award
Casamento Charles J
Director
Director 500 000
Value: $175.0K
Jun 16, 2023
Buy
Option to purchase Common Stock
A-Award
Casamento Charles J
Director
Director 500 000
Value: $175.0K
May 01, 2023
Buy
Common Stock
J-Other
Casamento Charles J
Director 0
Value: $0
May 01, 2023
Buy
Common Stock
J-Other
Casamento Charles J
Director 0
Value: $0
Apr 11, 2023
Buy
Common Stock
P-Purchase
Breen Michael Martin
Executive Chairman/interim CEO
CEO / President 50 000
Value: $25.0K
Apr 11, 2023
Buy
Common Stock
P-Purchase
Breen Michael Martin
Executive Chairman/interim CEO
CEO / President 50 000
Value: $25.0K
Apr 06, 2023
Buy
Common Stock
P-Purchase
Ohri Manu
CFO & Secretary
C-Suite Officer 50 000
Value: $25.0K
Apr 06, 2023
Buy
Common Stock
P-Purchase
Ohri Manu
CFO & Secretary
C-Suite Officer 50 000
Value: $25.0K
Jan 27, 2023
Buy
Option to purchase Common Stock
A-Award
Breen Michael Martin
Exec Chairman And Interim CEO
CEO / President 500 000
Value: $418.5K
Jan 27, 2023
Buy
Option to purchase Common Stock
A-Award
Ohri Manu
Chief Financial Officer
C-Suite Officer 500 000
Value: $418.5K
Jan 27, 2023
Buy
Option to purchase Common Stock
A-Award
Shrotriya Rajesh C Md
Director
Director 500 000
Value: $418.5K
Jan 27, 2023
Buy
Option to purchase Common Stock
A-Award
Wendel Bruce
Director
Director 500 000
Value: $418.5K
Jan 27, 2023
Buy
Option to purchase Common Stock
A-Award
Wendel Bruce
Director
Director 500 000
Value: $418.5K
Jan 27, 2023
Buy
Option to purchase Common Stock
A-Award
Shrotriya Rajesh C Md
Director
Director 500 000
Value: $418.5K
Jan 27, 2023
Buy
Option to purchase Common Stock
A-Award
Ohri Manu
Chief Financial Officer
C-Suite Officer 500 000
Value: $418.5K
Jan 27, 2023
Buy
Option to purchase Common Stock
A-Award
Breen Michael Martin
Exec Chairman And Interim CEO
CEO / President 500 000
Value: $418.5K
Jul 15, 2022
Buy
Option to purchase Common Stock
A-Award
Breen Michael Martin
Exec. Chair. And Interim CEO
CEO / President 50 000
Value: $0
Jul 15, 2022
Buy
Option to purchase Common Stock
A-Award
Shrotriya Rajesh C Md
Director 50 000
Value: $0
Jul 15, 2022
Buy
Option to purchase Common Stock
A-Award
Urban Alan Louis
Director 50 000
Value: $0
Jul 15, 2022
Buy
Option to purchase Common Stock
A-Award
Urban Alan Louis
Director
Director 50 000
Value: $124.0K
Jul 15, 2022
Buy
Option to purchase Common Stock
A-Award
Berk Gregory
Pres. Of R&d, Cmo
Officer 50 000
Value: $0
Jul 15, 2022
Buy
Option to purchase Common Stock
A-Award
Berk Gregory
Pres. Of R&d, Cmo
Officer 50 000
Value: $124.0K

About Insider Power

Insider Power is a proprietary algorithm developed by StockInvest.us to evaluate the significance of insider transactions. The calculation considers the size, type, and timing of transactions, as well as the insider’s role within the company.

It is important to note that, in general, there is little to no correlation between insider transactions and short-term stock price movements. In one of our studies, only 0.22%* of stocks with insider activity showed a measurable correlation — and even then, it was unclear whether the effect was caused by insider actions or simply by the stock’s broader trend.

While our algorithms are designed to highlight potentially meaningful signals, these cannot be regarded as statistically significant on their own. Insider trading activity should therefore be seen as informative rather than as direct trading guidance. The Insider Power metric was created to present this information in a clearer and more accessible way, helping investors better understand the possible context of insider activity.

* October 6th, 2025 - Tested on 5562 stocks

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ABOUT GT BIOPHARMA, INC.
GT Biopharma
GT Biopharma, Inc., a clinical stage biopharmaceutical company, focuses on the development and commercialization of immuno-oncology products based on its proprietary Tri-specific Killer Engager (TriKE) fusion protein immune cell engager technology platform. It develops GTB-3550, a single-chain tri-specific recombinant fusion protein conjugate that is in Phase I/II clinical trial for the treatment of myelodysplastic syndromes, refractory/relapsed ...
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