# Offbook

## GTBP

Symbol: **GTBP**  
Security ID: `5dbf2c307a3a446982304420b39a7407`  
Issuer ID: `iss\_0000109657`  
Name: GT Biopharma, Inc. - Common Stock  
Exchange: NASDAQ  
Instrument: common\_stock  
Listing status: active  
Catalog source: nasdaq-symbol-directory  
Catalog source time: 2026-10-06T18:01:00.000Z  
Aliases: GTBP (NASDAQ, current since 2026-10-06T18:01:00.000Z)  
Thread count: 0  
Reply count: 0  
Last activity: none

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