2Suppliers
9Customers
2Debt Items
0Related Chains

Source-Backed Evidence Depth

GT Biopharma, Inc. (GTBP) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.

14Total relationships
4Distinct source URLs
6High confidence
0.744Average confidence
2026-09-13Latest database update
ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

GT Biopharma, Inc. Suppliers

TickerNameConfidenceEvidence
UNIVERSITY-OF-MINNESOTA UNIVERSITY-OF-MINNESOTA 92% The Company entered into an exclusive license agreement with the University of Minnesota
VENDOR VENDOR 92% On June 30, 2024, the Company issued 91,579 shares of common stock to settle $531,300 of vendor accounts payable.

GT Biopharma, Inc. Customers

TickerNameConfidenceEvidence
REGENTS-OF-THE-UNIVERSITY-OF-MINNESOTA REGENTS-OF-THE-UNIVERSITY-OF-MINNESOTA 92% On April 3, 2026, GT Biopharma, Inc., a Delaware corporation (the “Company”), entered into an Investigator Initiated Clinical Trial Agreement (the “Agreement”) with the Regents of the University of M…
DDI-PHARMACEUTICALS-INC DDI-PHARMACEUTICALS-INC 62% rued expenses 937,000 1,962,000 (Decrease) in operating lease liability ( 58,000 ) ( 116,000 ) Net Cash Used in Operating Activities ( 12,904,000 ) ( 8,852,000 ) CASH FLOWS FROM INVESTING ACTIVITIES …
DIAGNOSTIC-DATA-INC DIAGNOSTIC-DATA-INC 62% rued expenses 937,000 1,962,000 (Decrease) in operating lease liability ( 58,000 ) ( 116,000 ) Net Cash Used in Operating Activities ( 12,904,000 ) ( 8,852,000 ) CASH FLOWS FROM INVESTING ACTIVITIES …
GEORGETOWN-TRANSLATIONAL-PHARMACEUTICALS-INC GEORGETOWN-TRANSLATIONAL-PHARMACEUTICALS-INC 62% . The GT Biopharma logo, TriKE®, and other trademarks or service marks of GT Biopharma, Inc. appearing in this quarterly report are the property of the Company. This Annual Report on Form 10-K also c…
GOING-CONCERN-ANALYSIS-ORGANIZATION-GT-BIOPHARMA GOING-CONCERN-ANALYSIS-ORGANIZATION-GT-BIOPHARMA 62% uance of inducement warrants for cash, net 1,052,000 — Proceeds from issuance of common stock and warrants, net - 2,976,000 Proceeds from issuance of Series L convertible preferred stock and warrants…
GT-BIOPHARMA-INC-DIAGNOSTIC-DATA-INC GT-BIOPHARMA-INC-DIAGNOSTIC-DATA-INC 62% rrant liability ( 11,000 ) ( 126,000 ) Changes in operating assets and liabilities: (Increase) Decrease in prepaid expenses 222,000 ( 12,000 ) Increase (Decrease) in accounts payable and accrued expe…
INTERNATIONAL-BIOCLINICAL-INC INTERNATIONAL-BIOCLINICAL-INC 62% rued expenses 937,000 1,962,000 (Decrease) in operating lease liability ( 58,000 ) ( 116,000 ) Net Cash Used in Operating Activities ( 12,904,000 ) ( 8,852,000 ) CASH FLOWS FROM INVESTING ACTIVITIES …
OXIS-BIOTECH-INC OXIS-BIOTECH-INC 62% . The GT Biopharma logo, TriKE®, and other trademarks or service marks of GT Biopharma, Inc. appearing in this quarterly report are the property of the Company. This Annual Report on Form 10-K also c…
OXIS-INTERNATIONAL-INC OXIS-INTERNATIONAL-INC 62% rued expenses 937,000 1,962,000 (Decrease) in operating lease liability ( 58,000 ) ( 116,000 ) Net Cash Used in Operating Activities ( 12,904,000 ) ( 8,852,000 ) CASH FLOWS FROM INVESTING ACTIVITIES …

GT Biopharma, Inc. Debt Obligations

InstrumentDescriptionConfidenceEvidence
GTBP-DEBT-9914 Warrants outstanding: 21145 90% xbrl warrant detail from xbrl 2025-12-31.
GTBP-DEBT-9915 Xbrl Convertible 90% xbrl convertible detail from xbrl 2022-12-31.

GT Biopharma, Inc. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for GT Biopharma, Inc..

GT Biopharma, Inc. Ownership

HolderNameConfidenceEvidence
GTBP-OWNER-VANGUARD-CAPITAL-MANAGEMENT-LLC VANGUARD CAPITAL MANAGEMENT LLC 90% 13F overlay lists VANGUARD CAPITAL MANAGEMENT LLC as top holder; 41 tracked holders.

GT Biopharma, Inc. Extended Supply Chain Network

No secondary connectionsNo correlated companies found through shared supply chain relationships.
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GTBP
Unlock GTBP Supply Chain Data
Verified relationships include:
UNIVERSITY-OF-MINNESOTAUNIVERSITY-OF-MINNESOTASupplier92%
VENDORVENDORSupplier92%
REGENTS-OF-THE-UNIVERSITY-OF-MINNESOTAREGENTS-OF-THE-UNIVERSITY…Customer92%
DDI-PHARMACEUTICALS-INCDDI-PHARMACEUTICALS-INCCustomer62%
+10 more relationships locked
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