InsiderTrades

Breen Michael Martin

SEC CIK 1863633 · EDGAR

Buying vs selling by month open-market trades, last 42 months, all 2 companies
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
GTBPGT Biopharma, Inc.Executive COB, Interim CEO, Dir 856.2K $25.0K — 52021-02-162023-08-11
PROPPrairie Operating Co.Dir 926.1K $100.8K — 22023-05-032023-05-03

Most active insiders at GTBP, 12 months

#InsiderTitleBoughtSold
No open-market trades in the last year.

Breen Michael Martin made no open-market trades at GTBP in the last 12 months.

Transactions 7

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2023-08-15 2023-08-11 GTBP GT Biopharma, Inc. Breen Michael Martin Executive COB, Interim CEO, Dir A - Grant $0.29 +200.0K 856.2K +30% +$58.0K
D 2023-05-05 2023-05-03 PROP Prairie Operating Co. Breen Michael Martin Dir P - Purchase $0.11 +916.1K 926.1K +9,161% +$100.8K
D 2023-05-05 2023-05-03 PROP Prairie Operating Co. Breen Michael Martin Dir A - Grant $0.18 +218.6K 1.14M +24% +$39.3K
2023-04-11 2023-04-11 GTBP GT Biopharma, Inc. Breen Michael Martin Executive COB, Interim CEO, Dir P - Purchase $0.5 +50.0K 656.2K +8% +$25.0K
D 2022-07-19 2022-07-15 GTBP GT Biopharma, Inc. Breen Michael Martin Exec. COB, Interim CEO, Dir A - Grant $0.00 +278.1K 606.2K +85% $0
DM 2021-11-12 2021-02-25 GTBP GT Biopharma, Inc. Breen Michael Martin Dir C - Cnv Deriv $3.40 +50.1K 318.3K +19% +$170.3K
D 2021-11-12 2021-02-16 GTBP GT Biopharma, Inc. Breen Michael Martin Dir A - Grant $0.00 +278.1K 278.1K New $0

Purchase Sale Sale after option exercise All abbreviations