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

03
Price $3.81
Market Cap (MRQ) $26M
P/E -0.9
EPS $-4.16
Revenue $36.3K
ROE -68.6%
Debt/Equity (MRQ) 0.1
52W Range $2–$7

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

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Stock splits 5
Ex-date Split Type
Aug. 18, 2025 1-for-3 Reverse
Dec. 18, 2023 1-for-20 Reverse
Jan. 18, 2023 1-for-7 Reverse
Aug. 26, 2022 1-for-30 Reverse
Sept. 13, 2021 1-for-10 Reverse

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

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Revenue$36.3K
2018-12-31 → 2025-12-31
EPS$-4.16
2020-12-31 → 2025-12-31
Free Cash Flow·
2016-12-31 → 2020-12-31
Net margin-17634.4%
2025-12-31 → 2025-12-31
Valuation & Ratios 07–12

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

Metric 5Y trend GRDX 5Y avg Peer Median Verdict
P/E -0.95Y avg ≈-2.4 ≈-2.4 · ·
P/S 444.0 · 20.1 Overvalued
P/B (MRQ) 1.85Y avg ≈34.4 ≈34.4 1.0 Overvalued
EV / EBITDA -2.65Y avg ≈-11.0 ≈-11.0 · ·
Price / Cash Flow -2.85Y avg ≈-5.6 ≈-5.6 · ·
EV / Revenue 475.1 · · ·
Price / Tangible Book (MRQ) -4.5 · · ·

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

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

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Avg Surprise -37.4%
PeriodReportEPS ActualEPS EstSurprise
March 31, 2026 May 27, 2026 $-0.82 — —
Sept. 30, 2024 $-1.77 $-0.98 -80.8%
June 30, 2024 $-10.11 $-4.74 -113.2%
March 31, 2024 $-1.92 $-7.44 74.2%
Dec. 31, 2023 $-16.05 $-12.35 -30.0%

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

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Income Statement 18
Metric Trend 20252024202320222021202020192018
Revenue $36.3K·····$0$0
Cost of Revenue $693.7K·······
Gross Profit $-657.4K·······
R&D Expense $925.5K$903.9K$5M$9M$17M$6M$9M$6M
SG&A Expense $6M$15M$11M$12M$18M$7M$6M$7M
Operating Expenses $6M$16M$16M$13M$59M$26M$15M$13M
Operating Income $-7M$-16M$-16M$-13M$-59M$-26M$-15M$-13M
Interest Expense ··$22.5K$15.9K$11.2K$6M$433.9K$101.8K
Interest Income ··$2.5K$8.4K$1.2K$484$0·
Other Non-op $934.3K$1.4K$-4.2K$-232.7K$-3.3K$0··
Pretax Income $-7M$-16M···$-33M$-15M·
Income Tax $-398.7K···$0$0$0·
Net Income $-6M$-18M$-16M$-15M$-59M$-33M$-15M$-14M
EPS (Basic) $-4.16$-15.99$-47.88$-416.94$-1988.53$-14.68··
EPS (Diluted) $-4.16$-15.99$-47.88$-416.94$-1988.53$-14.68··
Shares (Basic) 1,616,7051,144,978336,34235,91242,5032,843,629··
Shares (Diluted) 1,616,7051,144,978336,34235,91242,5032,843,629··
EBITDA $-7M$-16M$-16M$-13M·$-26M··
Balance Sheet 28
Metric Trend 20252024202320222021202020192018
Cash & Equivalents $899.8K$163.5K$4M$1M$8M$6M$175.8K$1M
Receivables $30.0K$0·$93.0K$0$551.5K$3M$3M
Prepaid Expense $110.9K$145.3K$1M$2M$1M$1M$595.2K$513.0K
Other Current Assets $246.1K·······
Current Assets $3M$83M$5M$3M$9M$8M$3M$5M
PP&E (Net) ··$14.6K$43.8K$73.1K$18.3K$77.4K$128.9K
PP&E (Gross) $87.8K$87.8K$87.8K$87.8K$87.8K$56.7K$340.9K$332.2K
Accum. Depreciation $87.8K$87.8K$73.3K$44.0K$14.7K$38.4K$263.5K$203.4K
Goodwill $24M$2M$2M$2M$2M$2M$2M$2M
Intangibles $22M$338.4K··$0$3M··
Other Non-current Assets ····$2M$5M··
Total Assets $49M$85M$7M$5M$12M$13M$9M$7M
Accounts Payable $3M$3M$554.3K$720.0K$3M$2M$2M$2M
Accrued Liabilities $1M$252.0K$825.3K$320.2K$393.3K$127.0K$71.2K$285.1K
Short-term Debt $2M·$612.8K$603.5K$641.2K$552.4K$444.4K$255.0K
Current Liabilities $15M$28M$3M$2M$12M$16M$4M$3M
Capital Leases ·$59.0K$146.9K$214.1K$311.1K$19.1K$0$0
Deferred Tax $5M·······
Other Non-current Liabilities ····$7M$19.1K$0$0
Total Liabilities $20M$28M$3M$3M$20M$16M$4M$3M
Total Debt $2M·$612.8K$603.5K·$552.4K··
Common Stock $422$159$156$5$7$312$2.7K$1.8K
Paid-in Capital $229M$199M$188M$171M$147M$94M$69M$53M
Retained Earnings $-209M$-202M$-184M$-169M$-154M$-95M$-63M$-48M
AOCI $39.0K···$-1M$-1M$-1M$-1M
Stockholders' Equity $25M$-4M$4M$3M$-8M$-3M$5M$4M
Liabilities + Equity $49M$85M$7M$5M$12M$13M$9M$7M
Shares Outstanding 4,224,1461,584,6501,560,99849,75070,7423,115,03026,800,51917,704,925
Cash Flow 13
Metric Trend 20252024202320222021202020192018
D&A $574.7K$48.9K$29.3K$29.0K$15.0K$38.0K$63.1K·
Stock-based Comp $734.0K$631.6K$1M$769.1K$1M$522.1K$574.3K$1M
Amort. of Intangibles ····$528.0K$528.0K$780.0K$736.5K
Other Non-cash $-618.8K$8M$2M$-9M·$21M··
Operating Cash Flow $-6M$-9M$-12M$-22M$-32M$-11M$-14M$-11M
CapEx ····$69.5K$4.2K$24.1K$55.5K
Investing Cash Flow $323.5K$88.2K$-500.0K·$-10M$87.3K$-24.1K$-305.5K
Stock Issued ····$14M$988.3K$9M·
Net Stock Activity ·····$988.3K··
Financing Cash Flow $6M$6M$15M$16M$45M$17M$13M$12M
Net Change in Cash $714.8K$-4M······
Free Cash Flow ·····$-11M··
Levered FCF ·····$-17M··
Profitability 8
Metric Trend 20252024202320222021202020192018
Gross Margin -1813.6%·······
Operating Margin -19540.0%·······
Net Margin -17634.4%·······
Pretax Margin -18316.8%·······
EBITDA Margin -17954.6%·······
ROA -9.5%-39.1%-256.3%-169.8%·-299.4%··
ROE -68.6%-804.0%-459.0%-6331.8%·-572.0%··
ROIC -24.7%····1265.8%··
Liquidity & Solvency 4
Metric Trend 20252024202320222021202020192018
Current Ratio 0.23.01.61.4·0.5··
Quick Ratio 0.10.01.20.6·0.4··
Debt / Equity 0.1·0.20.2·-0.2··
Interest Coverage ··-702.1-798.4·-4.5··
Efficiency 2
Metric Trend 20252024202320222021202020192018
Asset Turnover 0.0·······
Receivables Turnover 0.6·······
Per Share 5
Metric Trend 20252024202320222021202020192018
Book Value / Share $5.90$-0.82$2.31$2.76·$-0.08··
Revenue / Share $0.02·······
Cash Flow / Share $-3.53$-2.68$-36.80$-31.11····
Cash / Share $0.21$0.03$2.38$1.37·$0.19··
EPS (TTM) $-4.16$-5.33$-47.88$-416.94$-1988.53$-14.68··
Valuation (TTM) 14
Metric Trend 20252024202320222021202020192018
Revenue TTM $36.3K·····$0$0
Net Income TTM $-6M$-18M$-16M$-15M$-59M$-33M$-15M$-14M
Market Cap $20M$9M$20M$366M·$3.81T··
Enterprise Value $21M·$17M$365M·$3.81T··
P/E -1.1-0.4-0.3-0.9-9.2-8325.6··
P/S 543.0·······
P/B 0.8-2.35.5133.5·-1441739.3··
P / Tangible Book ··10.3346.0····
P / Cash Flow -3.5-1.0-1.6-16.4·-339275.3··
P / FCF ·····-339149.4··
EV / EBITDA -3.2·-1.1-28.9·-144294.8··
EV / FCF ·····-339148.9··
EV / Revenue 574.1·······
Earnings Yield -89.3%-285.6%-380.0%-113.3%-10.9%-0.01%··

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 2025-12-312024-12-312023-12-312022-12-312021-12-31
Revenue $36.3K · · · ·
Gross Margin % -1813.6% · · · ·
Operating Margin % -19540.0% · · · ·
Net Income $-6M $-18M $-16M $-15M $-59M
Diluted EPS $-4.16 $-15.99 $-47.88 $-416.94 $-1988.53

Institutional owners (13F) 20 filers · $3.0M total · As of June 30, 2026

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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 20
Value held $3.0M
New positions 7
Exited positions 2
Institutional activity — Q2 2026 vs prior quarter
New positions Exited positions Increased Decreased Net shares change
7 (+1 vs prior Q) 2 (0 vs prior Q) 6 (+2 vs prior Q) 3 (+2 vs prior Q) +290K

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
RENAISSANCE TECHNOLOGIES LLC $826,847 176,300 27.61% Shares
CITADEL ADVISORS LLC $400,174 85,325 13.36% Shares
Federation des caisses Desjardins du Quebec $358,082 76,350 11.96% Shares
VANGUARD CAPITAL MANAGEMENT LLC $347,341 74,060 11.60% Shares
GEODE CAPITAL MANAGEMENT, LLC $280,925 59,899 9.38% Shares
JANE STREET GROUP, LLC $230,917 49,236 7.71% Shares
VANGUARD FIDUCIARY TRUST CO $158,541 33,804 5.29% Shares
STATE STREET CORP $109,962 23,446 3.67% Shares
VANGUARD GROUP INC $100,871 21,646 3.37% Shares
Independent Advisor Alliance $70,350 15,000 2.35% Shares
NORTHERN TRUST CORP $65,374 13,939 2.18% Shares
HARBOUR INVESTMENTS, INC. $27,493 5,862 0.92% Shares
JONES FINANCIAL COMPANIES LLLP $8,820 2,000 0.29% Shares
Tower Research Capital LLC (TRC) $6,777 1,445 0.23% Shares
BARCLAYS PLC $1,782 380 0.06% Shares
SBI Securities Co., Ltd. $145 31 0.00% Shares
HRT FINANCIAL LP $98 20,963 0.00% Shares
Caitong International Asset Management Co., Ltd $98 21 0.00% Shares
DANSKE BANK A/S $5 1 0.00% Shares
OSAIC HOLDINGS, INC. $4 1 0.00% Shares

Activists & 5%+ owners 3 positions

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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
Jason David Sawyer July 8, 2026 7.10% Initial filing Passive investment SEC
Ali Arif Nasir, Arif Ali IRA Roth, ANARP LLC, ANANRA LLC TRUST ×2 filings June 10, 2025 4.90% Amendment · SEC
Edmund Burke Ross Jr., EBR Ventures, LLC, ADEC Private Equity Investments, LLC ×6 filings Feb. 10, 2021 · 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 21 insiders · 8 officers · 15 directors

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Insider Role Last activity Shares owned Buys 12m Sells 12m Net 12m
Jason David Sawyer Chief Executive Officer June 30, 2026 A 540,000 0 0 $0
James Sapirstein Chairman and CEO July 2, 2024 S 35,816 0 0 $0
Anna Skowron Interim CFO Dec. 22, 2025 A 65,000 0 0 $0
Sarah Romano Chief Financial Officer Jan. 6, 2025 S 17,287 0 0 $0
Daniel H Schneiderman CHIEF FINANCIAL OFFICER Jan. 3, 2022 A · 0 0 $0
Maged Shenouda CHIEF FINANCIAL OFFICER Dec. 28, 2018 P 62,500 0 0 $0
James Pennington CHIEF MEDICAL OFFICER Jan. 3, 2022 A · 0 0 $0
Daniel Dupret CHIEF SCIENTIFIC OFFICER July 12, 2018 A 15,000 0 0 $0
Geordan Garrett Pursglove Director Jan. 1, 2026 A 40,000 0 0 $0
Manpreet Uppal Director Jan. 1, 2026 A 40,000 0 0 $0
Jack Syage Director Jan. 1, 2026 A 40,000 0 0 $0
Edward Borkowski Director Jan. 1, 2026 A 60,248 0 0 $0
Chaitan Khosla PHD Director June 11, 2024 A 24,889 0 0 $0
Mary Theresa Coelho Director Jan. 2, 2024 A 20,237 0 0 $0
Alastair Riddell Director Jan. 2, 2024 A 20,240 0 0 $0
Charles J Casamento Director Jan. 2, 2024 A 19,937 0 0 $0
David Andrew Hoffman Director Jan. 3, 2023 A 90,778 0 0 $0
Gregory Oakes Director Jan. 3, 2022 A · 0 0 $0
Vern Lee Schramm Director Jan. 3, 2022 A 90,498 0 0 $0
Johan M. Spoor Director April 6, 2020 A 338,617 0 0 $0
Edmund Burke Ross Jr. 10% owner Jan. 2, 2020 J 2,540,555 0 0 $0

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

ETF ownership Held by 2 ETFs

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
DFSU · Dimensional ETF Trust 0.00% 2,539 NS July 31, 2026 N-PORT
VXF · VANGUARD INDEX FUNDS 0.00% 74,060 SH Aug. 19, 2026 Daily

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

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rating · 6 analysts SELL
0 0.0% Strong Buy
0 0.0% Buy
3 50.0% Hold
1 16.7% Sell
2 33.3% Strong Sell

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

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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
GRDX $20M -1.1 · -17634.4% -68.6% -1813.6%
MCRB $142M 23.2 · 721.9% 14.8% ·
ATYR $77M -1.0 -19.1% -39009.5% -107.8% ·
RNAZ · -0.1 · · · ·
SHPH $4M -0.3 0.00% · -400.1% ·
KYNB $36M 0.2 -78.3% 2848.6% -143.5% ·
ATOS $5M -0.1 · · -71.7% ·
NXTC $50M -0.7 · · -172.9% ·

My Metrics Your personal watchlist — selected rows from Full Fundamentals

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Source: SEC 10-Q/A filed Sep 18, 2026