The chart above plots the price of GTBP over the range selected — one day to the full history — drawn by TradingView from their own data. Our own licensed end-of-day series holds 17 sessions over that window: $0.46 on 24 June 2026 through $0.35 on 17 July 2026.
Market cap$16.0M
Avg volume153.0K
Finazon · prior-day close · valuation computed from SEC EDGAR filings · as of Sep 21, 2026
GTBP has no Form 4 filing in the last 90 days, so there is no summary for that window. The most recent filings we hold are below, the newest dated 4 September 2025.
Compensation mechanics
Share grants, option exercises, tax withholding and transfers. They reach the same Form 4 as a trade, but they are not the insider buying or selling on the open market, so no purchase or sale value applies to them.
DateInsiderTypeSharesValue
04 Sep 2025Kramer HilaryAward31,250
04 Sep 2025Breen Michael MartinCEO and DirectorAward100,000
04 Sep 2025Mun-Gavin David C.Award31,250
04 Sep 2025CASAMENTO CHARLES JAward62,500
04 Sep 2025URBAN ALAN LOUISChief Financial OfficerAward50,000
GTBP reported financials
SEC EDGAR XBRL
GTBP reported net income of −$28.4M for the fiscal year ended 31 Dec 2025.
FigureReportedPeriod
Net income
−$28.4M
31 Dec 2025 fiscal year
Diluted EPS
−$6.68
31 Dec 2025 fiscal year
Total assets
$8.1M
31 Dec 2025 at period end
Total equity
$3.6M
30 Jun 2026 at period end
Source: SEC EDGAR XBRL company facts · latest period ended 30 Jun 2026
GTBP earnings
SEC EDGAR
DatePeriodEPSRevenue
30 Jun 2026Q2 2026$-0.12—
31 Mar 2026Q1 2026$-0.11—
31 Dec 2025FY 2025$-6.68—
30 Sep 2025FY 2025$1.04—
30 Jun 2025FY 2025$-10.92—
31 Mar 2025Q1 2025$-0.33—
31 Dec 2024FY 2024$-6.94—
30 Sep 2024Q3 2024$-1.53—
Next report no date announced in SEC filings yet
Reported figures & scheduled dates · SEC EDGAR filings