Breen Michael Martin

CIK: 0001863633
Director
Primary company: GT Biopharma, Inc. (GTBP)

Breen Michael Martin is a corporate insider at GT Biopharma, Inc. (GTBP) filing SEC Form 4 transactions. 19 transactions across 2 companies, totaling $124,856 in purchases and $0 in sales. Source: SEC EDGAR.

Total Transactions
19
Total Buy Value
$125K
Total Sell Value
$0
Net Activity
+$125K
Last Transaction
Sep 2025
Companies
2

Companies

Transaction History

Source: SEC EDGAR Form 4 insider transaction filings.

Type
Award
Shares
100,000
Price
-
Value
-
Type
Award
Shares
100,000
Price
-
Value
-
Type
Award
Shares
100,000
Price
-
Value
-
Type
Award
Shares
200,000
Price
$0.29
Value
$57K
Prairie Operating Co.
CRKR
Type
Award
Shares
218,571
Price
$0.17
Value
$38K
Prairie Operating Co.
CRKR
Type
Purchase
Shares
916,112
Price
$0.11
Value
$100K
Prairie Operating Co.
CRKR
Type
Award
Shares
37,500
Price
$0.00
Value
$0
Prairie Operating Co.
CRKR
Type
Award
Shares
15,000
Price
$0.00
Value
$0
Prairie Operating Co.
CRKR
Type
Award
Shares
15,000
Price
$0.00
Value
$0
Type
Purchase
Shares
50,000
Price
$0.50
Value
$25K
Type
Award
Shares
500,000
Price
$0.00
Value
$0
Type
Award
Shares
50,000
Price
$0.00
Value
$0
Type
Award
Shares
278,058
Price
$0.00
Value
$0
Type
Conversion
Shares
30,000
Price
$0.00
Value
$0
Type
Conversion
Shares
100,000
Price
$0.00
Value
$0
Type
Conversion
Shares
9,859
Price
$3.40
Value
$34K
Type
Conversion
Shares
40,243
Price
$3.40
Value
$137K
Type
Award
Shares
50,000
Price
$0.00
Value
$0
Type
Award
Shares
278,058
Price
$0.00
Value
$0