GTBP Stock Snapshot Price, market cap, P/E, EPS, ROE, debt/equity, 52-week range

03
Price $6.10
Market Cap (MRQ) $272M
P/E -0.9
EPS $-6.68
Div Yield 0.15%
ROE -645.4%
52W Range $5–$21406

GTBP Stock Price Chart Daily OHLCV with technical indicators — pan, zoom, and customize your view

04
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Stock splits 6
Ex-date Split Type
Sept. 8, 2026 1-for-25 Reverse
Feb. 5, 2024 1-for-30 Reverse
Feb. 11, 2021 1-for-17 Reverse
Aug. 21, 2017 1-for-300 Reverse
Dec. 15, 2015 1-for-250 Reverse
Oct. 21, 1998 1-for-5 Reverse

10-Year Performance Revenue, net income, margins and EPS trends

06
Revenue·
2019-12-31 → 2019-12-31
EPS$-6.68
2018-12-31 → 2025-12-31
Free Cash Flow·
2018-12-31 → 2019-12-31
Valuation & Ratios 07–12

Valuation P/E, P/S, P/B, EV/EBITDA ratios — is the stock expensive or cheap?

Metric 5Y trend GTBP 5Y avg Peer Median Verdict
P/E -0.95Y avg ≈-0.6 ≈-0.6 · ·
P/B (MRQ) 76.3 · 1.5 Overvalued
Price / Cash Flow -12.1 · · ·
Price / Tangible Book 26.9 · · ·

Peer median is calculated on a standardized basis per metric and may not always match the TTM/MRQ basis shown for this stock.

value · ≈ 5Y avg · industry median · verdict relative to median

Dividends Yield, payout ratio, dividend history, 5Y CAGR

13
Dividend Yield0.15%
Payout Ratio-0.81%

Earnings History EPS actual vs estimate, surprise %, beat rate, next earnings date

14
Avg Surprise -310.4%
Next Report Nov 12, 2026
PeriodReportEPS ActualEPS EstSurprise
June 30, 2026 Aug 14, 2026 $-3.00 $-2.04 -47.1%
March 31, 2026 May 15, 2026 $-2.75 $-2.04 -34.8%
Dec. 31, 2025 $-4.84 $-0.22 -2056.9%
Sept. 30, 2025 $-0.79 $-0.39 -103.8%
June 30, 2025 $-0.52 $-0.69 25.0%
March 31, 2025 $-0.33 $-0.65 49.4%
Dec. 31, 2024 $-1.66 $-1.58 -5.0%

Full Fundamentals All metrics by year — income statement, balance sheet, cash flow

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Income Statement 17
Metric Trend 202520242023202220212020201920182017201620152014
Revenue ······$0·$0$0$27.0K$61.0K
Cost of Revenue ········$0$0$0$57.0K
Gross Profit ········$0$0$27.0K$4.0K
R&D Expense $3M$6M$6M$9M$10M$485.0K$2M$9M$1M$975.0K$1M$0
SG&A Expense $9M$9M$7M$12M$48M$6M$10M$12M$135M$8M$8M$2M
Operating Expenses ··$14M$21M$58M·$16M$250M$136M$9M$9M$2M
Operating Income $-12M$-14M$-14M$-21M$-58M$-7M$16M$-250M$-136M$-9M$-9M$-2M
Interest Expense ··$213.0K$8.0K$718.0K$-3M$-2M$9M$9M$7M$17M$5M
Other Non-op $156.0K·$20.0K·$-498.0K·$23M$-9M$-9M$19M$-13M$-21M
Pretax Income ······$-39M$-259M$-144M$10M$-21M$-24M
Income Tax ······$0$0$0$0$0$0
Net Income $-28M$-13M$-8M$-21M$-58M$-28M$-39M$-259M$-144M$10M$-21M$-23M
EPS (Basic) $-6.68$-6.94$-5.64$-19.66$-2.06··$-5.16$-8.60$119.91$-8.96·
EPS (Diluted) $-6.68$-6.94$-5.64$-19.66···$-5.16$-8.60$119.91$-8.96·
Shares (Basic) 5,513,2551,897,3751,347,7131,062,26728,155,624··50,24016,76981,4602,394,540·
Shares (Diluted) 5,513,2551,897,3751,347,7131,062,267·4,385,2223,383,94150,24016,76981,4602,394,540·
EBITDA $-12M·$-14M$-21M$-58M$7M$-16M$-250M$-136M$-9M·$-2M
Balance Sheet 22
Metric Trend 202520242023202220212020201920182017201620152014
Cash & Equivalents $7M$4M$1M$6M$9M$5M$28.0K$60.0K$576.0K$19.0K$47.0K$855.0K
Short-term Investments ··$13M$11M$23M·······
Receivables ···········$0
Inventory ···········$0
Prepaid Expense $567.0K$188.0K$84.0K$54.0K$190.0K$364.0K$246.0K$30.0K$0$2.0K$2.0K$27.0K
Current Assets $8M$4M$14M$17M$32M$6M$274.0K$90.0K$576.0K$21.0K$49.0K$882.0K
PP&E (Net) ······$0$35.0K$6.0K$4.0K$5.0K$6.0K
Goodwill ·········$0··
Intangibles ······$0···$0$0
Other Non-current Assets ······$122.0K·····
Total Assets $8M$4M$14M$17M$32M$6M$396.0K$25M$254M$25.0K$54.0K$888.0K
Accounts Payable $748.0K$4M$4M$3M$8M$2M$2M$2M$3M$2M$893.0K$412.0K
Accrued Liabilities $2M$2M$1M$2M$2M$1M$2M$1M$102.0K$219.0K$4M$3M
Current Liabilities $2M$6M$7M$5M$10M$35M$20M$14M$3M$19M$50M$30M
Capital Leases ···$64.0K········
Total Liabilities ··$7M$5M$10M·$20M$14M$3M$19M$51M$30M
Common Stock $26.0K$2.0K$1.0K$33.0K$32.0K$5.0K$41.0K$51.0K$50.0K$0$2.0K$2.0K
Paid-in Capital $730M$694M$690M$686M$674M$566M$548M$540M$521M$106M$84M$84M
Retained Earnings $-724M$-695M$-682M$-674M$-654M$-596M$-567M$-529M$-269M$-125M$-134M$-113M
Stockholders' Equity $6M$-2M$7M$12M$22M$-29M$-19M$11M$252M$-19M$-51M$-30M
Liabilities + Equity $8M$4M$14M$17M$32M$6M$396.0K$25M$254M$25.0K$54.0K$888.0K
Shares Outstanding 25,534,1732,234,3281,380,6331,090,74832,061,9895,218,1224,104,98250,650,47850,117,977104,2182,400,0002,366,588
Cash Flow 12
Metric Trend 202520242023202220212020201920182017201620152014
Stock-based Comp $432.0K$230.0K·$8M$34M$269.0K$5M$10M$130M$7M$4M$3M
Amort. of Intangibles ········$0$0$0$22.0K
Operating Cash Flow $-13M$-13M$-9M$-15M$-16M$-7M$-4M$-11M$-5M$-2M$-5M$-2M
CapEx ······$0$36.0K$4.0K$0$1.0K$6.0K
Investing Cash Flow ·$13M$-2M$12M$-23M·$200.0K$-36.0K$-4.0K$0$-1.0K$-6.0K
Stock Issued ··$6M·$25M·······
Net Stock Activity ··$6M·$25M·······
Dividends Paid $229.0K···········
Financing Cash Flow $16M$3M$6M$-224.0K$42M$13M$3M$10M$6M$2M$4M$3M
Net Change in Cash $3M$3M$-5M$-3M$4M$5M$-32.0K$-516.0K$557.0K$-28.0K$-808.0K$812.0K
Free Cash Flow ······$-4M$-11M$-5M$-2M·$-2M
Levered FCF ······$-6M$-20M$-14M$-8M·$-7M
Profitability 8
Metric Trend 202520242023202220212020201920182017201620152014
Gross Margin ···········6.6%
Operating Margin ···········-3927.9%
Net Margin ···········-38506.6%
Pretax Margin ···········-38532.8%
EBITDA Margin ···········-3927.9%
ROA -456.3%·-49.3%-85.4%·-934.3%-299.7%-185.3%-112.6%24729.1%·-4538.9%
ROE -645.4%·-86.9%-153.7%-215.7%95.6%973.5%-197.1%-123.1%-28.1%·130.8%
ROIC ······83.2%-2199.4%-53.9%49.5%·8.1%
Liquidity & Solvency 3
Metric Trend 202520242023202220212020201920182017201620152014
Current Ratio 3.5·2.13.43.10.20.00.00.20.0·0.0
Quick Ratio 2.9·2.13.35.40.20.00.00.20.0·0.0
Interest Coverage ··-63.7-2657.1·-2.3-7.5-27.4-15.8-1.4·-0.5
Efficiency 3
Metric Trend 202520242023202220212020201920182017201620152014
Asset Turnover ·····0.0··0.00.0·0.1
Inventory Turnover ···········2.7
Receivables Turnover ···········3.0
Per Share 5
Metric Trend 202520242023202220212020201920182017201620152014
Book Value / Share $0.23·$5.41$0.36$0.68$-5.64$-0.28$0.22$5.02$-0.61·$-0.05
Revenue / Share ·····$0.00··$0.00$0.00··
Cash Flow / Share $-2.34·$-6.57··$-1.66$-63.60$-212.52$-0.32$-0.08··
Cash / Share $0.27·$0.78$0.17$1.00$1.02$0.00$0.00$0.01$0.00·$0.00
EPS (TTM) $-6.68$-6.94$-5.64$-19.66··$50117972.01$-5.16$-8.60$119.91$-8.96·
Valuation (TTM) 12
Metric Trend 202520242023202220212020201920182017201620152014
Revenue TTM ······$0$0$0$0$27.0K$61.0K
Net Income TTM $-28M$-13M$-8M$-21M$-58M$-28M$-39M$-259M$-144M$10M$-21M$-23M
Market Cap $20M·$11M$870M$2.93B$1.13B$2.88B$16.79B····
P/E -0.1-0.4-1.4-1.4··0.0-64.2····
P/B 3.5·1.474.1133.9-38.3-149.31476.7····
P / Tangible Book 3.5·1.474.1133.9·······
P / Cash Flow -1.6·-1.2-57.2-188.0-155.4-787.9-1572.6····
P / FCF ······-787.9-1567.3····
Dividend Yield 1.1%···········
Earnings Yield -851.0%-227.5%-73.7%-74.0%··121321646.1%-1.6%····
Payout Ratio -0.81%···········
Annual Payout $229.0K···········

Most recent period on the left · null values shown as ·

Financial Statements Income statement, balance sheet, cash flow — annual, last 5 years

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Metric 2025-12-312025-09-302025-06-302024-12-312023-12-31
Net Income $-28M · · $-13M $-8M
Diluted EPS $-6.68 · · $-6.94 $-5.64

Institutional owners (13F) 58 filers · $925K total · As of June 30, 2026

17

Institutions that report holding this stock in their quarterly SEC Form 13F. Long positions only; a single filer may appear twice for separate option legs. Large offsetting put/call legs typically reflect market-making or hedged inventory, not directional conviction.

Holders 58
Value held $925K
New positions 21
Exited positions 5
Institutional activity — Q2 2026 vs prior quarter
New positions Exited positions Increased Decreased Net shares change
21 (+5 vs prior Q) 5 (-4 vs prior Q) 8 (+1 vs prior Q) 8 (+3 vs prior Q) +424K

Compared to Q1 2026. SEC Form 13F filings are due within 45 days of quarter-end plus a short buffer for late filers — quarters still inside that window are skipped in favor of the most recent fully-reported pair.

Institution Value Shares % of tracked 13F Type
VANGUARD CAPITAL MANAGEMENT LLC $184,436 376,399 19.93% Shares
GEODE CAPITAL MANAGEMENT, LLC $130,648 266,788 14.12% Shares
VANGUARD FIDUCIARY TRUST CO $110,710 225,938 11.96% Shares
Everhart Financial Group, Inc. $48,970 100,000 5.29% Shares
Arax Advisory Partners $45,850 93,627 4.95% Shares
Opal Wealth Advisors, LLC $40,063 81,811 4.33% Shares
NORTHERN TRUST CORP $36,953 75,461 3.99% Shares
49 WEALTH MANAGEMENT, LLC $31,341 64,000 3.39% Shares
Cetera Investment Advisers $27,392 55,936 2.96% Shares
SeaCrest Wealth Management, LLC $24,534 50,100 2.65% Shares
KITCHING PARTNERS, LLC $24,485 50,000 2.65% Shares
PNC Financial Services Group, Inc. $19,600 40,000 2.12% Shares
OSAIC HOLDINGS, INC. $18,857 38,500 2.04% Shares
LPL Financial LLC $17,815 36,379 1.93% Shares
MORGAN STANLEY $11,054 22,573 1.19% Shares
Keel Point, LLC $10,170 20,768 1.10% Shares
Integrated Wealth Concepts LLC $9,797 20,006 1.06% Shares
Corient Private Wealth LP $9,794 20,000 1.06% Shares
Private Wealth Management Group, LLC $9,794 20,000 1.06% Shares
SAGESPRING WEALTH PARTNERS, LLC $9,794 20,000 1.06% Shares
StoneX Group Inc. $8,667 23,258 0.94% Shares
Caitlin John, LLC $8,080 16,500 0.87% Shares
WELLS FARGO & COMPANY/MN $7,828 15,986 0.85% Shares
Tempus Wealth Planning, LLC $7,346 15,000 0.79% Shares
TWO SIGMA SECURITIES, LLC $6,555 13,386 0.71% Shares
Prospera Financial Services Inc $6,121 12,500 0.66% Shares
Verdence Capital Advisors LLC $5,876 12,000 0.63% Shares
Mayflower Financial Advisors, LLC $5,387 11,000 0.58% Shares
LaSalle St. Investment Advisors, LLC $5,387 11,000 0.58% Shares
PARSONS CAPITAL MANAGEMENT INC/RI $5,338 10,900 0.58% Shares
Koss-Olinger Consulting, LLC $4,897 10,000 0.53% Shares
NORTH STAR ASSET MANAGEMENT INC $4,896 10,000 0.53% Shares
BlackRock, Inc. $4,070 8,312 0.44% Shares
ROYAL BANK OF CANADA $4,000 7,600 0.43% Shares
HBK Sorce Advisory LLC $3,175 10,000 0.34% Shares
Atlantic Union Bankshares Corp $2,620 5,351 0.28% Shares
Allworth Financial LP $2,205 4,501 0.24% Shares
NFSG Corp $1,836 3,750 0.20% Shares
MassMutual Private Wealth & Trust, FSB $1,469 3,000 0.16% Shares
Farther Finance Advisors, LLC $1,469 3,000 0.16% Shares
West Financial Advisors, LLC $1,225 2,500 0.13% Shares
Stone House Investment Management, LLC $1,000 2,043 0.11% Shares
Tower Research Capital LLC (TRC) $831 1,696 0.09% Shares
Triumph Capital Management $810 1,655 0.09% Shares
BARCLAYS PLC $706 1,441 0.08% Shares
JONES FINANCIAL COMPANIES LLLP $645 1,500 0.07% Shares
Reyes Financial Architecture, Inc. $306 625 0.03% Shares
HARBOUR INVESTMENTS, INC. $245 500 0.03% Shares
Global Retirement Partners, LLC $245 500 0.03% Shares
HRT FINANCIAL LP $52 107,140 0.01% Shares

Show all 58 institutional owners →

Activists & 5%+ owners 5 positions

18

Investors who filed SEC Schedule 13D — beneficial ownership above 5% with an intent to influence the issuer (activist stakes, board campaigns, M&A). Each row shows the most recent known state of that filer's position.

Filer Filed Stake Status Purpose Filing
Theorem Group, LLC, Anshuman Dube ×3 filings Jan. 26, 2016 · Initial filing · SEC
TorreyPines Therapeutics, Inc. (formerly Axonyx Inc.) Oct. 6, 2008 · Initial filing · SEC
Undisclosed reporting person, Undisclosed reporting person March 10, 2004 · Initial filing · SEC
Undisclosed reporting person, Undisclosed reporting person Jan. 16, 2004 · Initial filing Passive investment SEC
Undisclosed reporting person, Undisclosed reporting person, Undisclosed reporting person, Undisclosed reporting person March 22, 2002 · Initial filing Passive investment SEC

Purpose is an automated classification of the filer's own stated purpose (SEC Item 4) — not investment advice. "—" means no clear purpose was stated or the text could not be classified.

Company insiders 35 insiders · 15 officers · 23 directors

19
Insider Role Last activity Shares owned Buys 12m Sells 12m Net 12m
Michael Martin Breen CEO and Director Sept. 4, 2025 A 856,218 0 0 $0
Tony Cataldo CEO June 2, 2020 S 6,500,000 0 0 $0
Raymond W. Urbanski CEO Feb. 1, 2019 S 1,351,918 0 0 $0
David Saloff CEO, Chairman of the Board March 1, 2012 A · 0 0 $0
Marvin S Hausman MD President & CEO Nov. 6, 2006 A 2,404,080 0 0 $0
Steven T Guillen President & CEO Dec. 28, 2005 A 600,000 0 0 $0
Gosse B Bruinsma Chairman, Acting CEO Oct. 12, 2004 A · 0 0 $0
Ray R Rogers CEO/Chairman of the Board Dec. 4, 2003 A 1,677,988 0 0 $0
Alan Louis Urban Chief Financial Officer Sept. 4, 2025 A · 0 0 $0
Manu Ohri CFO & Secretary Aug. 11, 2023 J 300,000 0 0 $0
Gavin Choy Acting Chief Financial Officer Dec. 31, 2021 A · 0 0 $0
Michael D Centron VP & CFO Aug. 1, 2006 A · 0 0 $0
Manus H Odonnell Acting Chief Operating Officer Dec. 24, 2004 A · 0 0 $0
Gregory Berk Pres. of R&D, CMO July 15, 2022 A 278,058 0 0 $0
Sharon Ellis Chief Operational & Financial Dec. 4, 2003 A · 0 0 $0
David C. Mun-Gavin Director Sept. 4, 2025 A · 0 0 $0
Hilary Kramer Director Sept. 4, 2025 A · 0 0 $0
Charles J Casamento Director Sept. 4, 2025 A · 0 0 $0
Bruce Wendel Director Jan. 27, 2023 A 352,655 0 0 $0
Rajesh C Shrotriya MD Director Jan. 27, 2023 A · 0 0 $0
Anshuman Dube Director May 20, 2011 P 0 0 0 $0
Matthew R Spolar Director Nov. 9, 2007 A · 0 0 $0
Sydney Colin Neill Director Nov. 9, 2007 A · 0 0 $0
John E Repine Director Nov. 9, 2007 A 50,000 0 0 $0
Timothy C Rodell JR Director Dec. 28, 2005 A · 0 0 $0
Steven H Ferris Director Oct. 12, 2004 A · 0 0 $0
Gerard J M Vlak Director Oct. 12, 2004 A · 0 0 $0
Richard A Davis Director June 22, 2004 A · 0 0 $0
Ted Ford Webb Director Dec. 4, 2003 A · 0 0 $0
William G Pryor Director Dec. 4, 2003 A · 0 0 $0
Thomas M Wolf Director June 30, 2003 C 78,500 0 0 $0
Bristol Investment Fund, Ltd. 10% owner April 5, 2016 J 463,806 0 0 $0
Theorem Group, LLC 10% owner Dec. 23, 2010 C 0 0 0 $0
Steven W Weldon · Dec. 22, 2020 S 3,720,000 0 0 $0
Gary M Post · Aug. 31, 2010 S 900,000 0 0 $0

Insiders from SEC Form 3/4/5 filings; net = open-market P/S only

ETF ownership Held by 1 ETF

20

Weight reflects direct equity holdings (N-PORT) only; leveraged or derivative-based funds may hold additional swap exposure not shown.

Fund Weight Units As of Source
VXF · VANGUARD INDEX FUNDS 0.00% 376,399 SH Aug. 19, 2026 Daily

GTBP Analyst Consensus Bullish and bearish analyst opinions, 12-month price target, upside

21
rating · 7 analysts BUY
Median target $75.00 +1129.5%
2 28.6% Strong Buy
4 57.1% Buy
1 14.3% Hold
0 0.0% Sell
0 0.0% Strong Sell

12-Month Price Target

1 analysts · 2026-10-03

Mean target $75.00 +1129.5%

Low$75.00 Mean$75.00 High$75.00

Peer comparison (GICS sub-industry) Key metrics vs sector peers

22

FY basis, prices as of each company's last fiscal year-end close.

Ticker Market Cap P/E Rev YoY Net Margin ROE Gross Margin
GTBP $20M -0.1 · · -645.4% ·
CNSY · · · · · ·
PHIO $12M -0.2 · · -57.5% ·
LTRN · -1.9 · · · ·
INTS $1M -0.0 · · -165.1% ·
MTVA $19M -1.1 -44.6% -2543.7% -173.5% ·
SNTI · -0.4 -40.2% · · ·
XCUR $35M -6.9 · · -77.3% ·

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26

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Source: SEC 10-Q filed Aug 14, 2026