Breen Michael Martin Insider Trades

Insider Trading History

Track insider trading activity for Breen Michael Martin. See latest buy and sell transactions across all companies.

Holdings

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price

Insider Trades History

Company
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
GT Biopharma
GT Biopharma GTBP
CEO And Director
Holding Value $43.9k 100,000 shares
Last Trade
Sep 04, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$92.9k 100,000 shares
$0.93
$0.44
GT Biopharma
GT Biopharma GTBP
Executive Chairman/interim CEO
Holding Value $376k 856,218 shares
Last Trade
Aug 11, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$58k 200,000 shares
$0.29
$0.44
GT Biopharma
GT Biopharma GTBP
Executive Chairman/interim CEO
Holding Value $288k 656,218 shares
Last Trade
Apr 11, 2023 Purchase (Open Market)Shares bought on the open market or in a private purchase outside of a company compensation plan.
$25k 50,000 shares
$0.50
$0.44
GT Biopharma
GT Biopharma GTBP
Exec Chairman And Interim CEO
Holding Value $220k 500,000 shares
Last Trade
Jan 27, 2023 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$420k 500,000 shares
$0.84
$0.44
GT Biopharma
GT Biopharma GTBP
Exec. Chair. And Interim CEO
Holding Value $22k 50,000 shares
Last Trade
Jul 15, 2022 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$124k 50,000 shares
$2.48
$0.44
GT Biopharma
GT Biopharma GTBP
Holding Value $0 0 shares
Last Trade
Feb 25, 2021 Sale (Conversion)Shares acquired or disposed through conversion of a derivative or other security.
$139k 30,000 shares
$4.62
$0.44
GT Biopharma
GT Biopharma GTBP
Holding Value $144k 328,160 shares
Last Trade
Feb 25, 2021 Purchase (Conversion)Shares acquired or disposed through conversion of a derivative or other security.
$231k 50,102 shares
$4.62
$0.44
GT Biopharma
GT Biopharma GTBP
Holding Value $122k 278,058 shares
Last Trade
Feb 16, 2021 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$317k 50,000 shares
$6.33
$0.44

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