GT Biopharma (GTBP) Insider Trading & Ownership $1.08 +0.33 (+43.67%) Closing price 04:00 PM EasternExtended Trading$0.95 -0.13 (-12.31%) As of 07:23 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Insider Trades Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock GT Biopharma (NASDAQ:GTBP) Insider Buying and Selling ActivityCurrentInsider OwnershipPercentage3.40%Number OfInsiders Buying(Last 3 Years)2Amount OfInsider Buying(Last 3 Years)$49.98KNumber OfInsiders Selling(Last 3 Years)0 Get GTBP Insider Trade Alerts Want to know when executives and insiders are buying or selling GT Biopharma stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. 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GTBP Insider Buying and Selling by Quarter GT Biopharma Insider and Congressional Trades History Insiders and Members of Congress Insiders Only Members of Congress Only Transaction Type Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years Time Frame Start Date End Date Export to Excel Transaction DateNameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionDetails4/11/2023Michael Martin BreenCEOBuy1,666$15.00$24,990.00 4/6/2023Manu OhriCFOBuy1,666$15.00$24,990.00 (Data available from 1/1/2013 forward) GTBP Insider Trading Activity - Frequently Asked Questions Who is on GT Biopharma's Insider Roster? The list of insiders at GT Biopharma includes Manu Ohri, and Michael Martin Breen. Learn more on insiders at GTBP. What percentage of GT Biopharma stock is owned by insiders? 3.40% of GT Biopharma stock is owned by insiders. Learn more on GTBP's insider holdings. GT Biopharma Key ExecutivesMr. Michael Martin Breen (Age 61)Interim CEO & Executive Chairman Compensation: $1.04MMr. Manu Ohri (Age 69)CFO & Secretary Compensation: $647.07kDr. Jeffrey S. Miller M.D.Consulting Chief Scientific Officer, Consulting Chief Medical Officer & Scientific Advisor More Insider Trading Tools from MarketBeat Related Companies PCSA Insider Transactions INAB Insider Transactions GOVX Insider Transactions AEON Insider Transactions EPIX Insider Transactions KPRX Insider Transactions HCWB Insider Transactions ERNA Insider Transactions CELZ Insider Transactions APRE Insider Transactions Insider Tracking Tools CEO Purchases/Sales CFO Purchases/Sales Top Insider Buying Stocks Top Insider Selling Stocks Insider Trades Screener Insider Trades Newsletter Congressional Stock Trades Insider Trading By Country U.S. Insider Trading Activity Canadian Insider Trading Activity U.K. Insider Trading Activity Australia Insider Trading Activity Latest Articles Marvell Insiders Buy Shares—Should Investors Follow Suit?This Insider Just Made a Massive Bet on Transocean's ComebackInsider Sales Jump at Broadcom and CoreWeave: Red Flag Ahead?Oklo Insiders Sell! Oh No! This Is Why Investors Shouldn’t WorryTop Insider Buys and Sells From September: Buy, Sell, or Hold? This page (NASDAQ:GTBP) was last updated on 10/8/2025 by MarketBeat.com Staff From Our PartnersClaim Your Share of $5.39 BILLION in AI Equity ChecksThe U.S. government just took advantage of Public Law 81-774 to crack down on AI companies... 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