your badges 52W Range $0–$3 11% of range Analyst Rating BUY 12 analysts Price Target $7 +1205% upside P/E -0.5 ROE · Net Profit Margin ·

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

03
Price $0.57
Market Cap (MRQ) $16M
P/E -0.5
52W Range $0–$3

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

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Stock splits 1
Ex-date Split Type
Jan. 4, 2024 1-for-10 Reverse

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

06
Valuation & Ratios 07–12

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

Metric 5Y trend JSPR 5Y avg Peer Median Verdict
P/E -0.5 · · ·
P/B (MRQ) 4.7 · 1.5 Overvalued

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 22.6%
Next Report Nov 09, 2026
PeriodReportEPS ActualEPS EstSurprise
June 30, 2026 Aug 14, 2026 $-0.10 $-0.36 72.2%
March 31, 2026 May 14, 2026 $-0.04 $-0.50 91.9%
Dec. 31, 2025 $-0.32 $-0.76 57.9%
Sept. 30, 2025 $-1.25 $-1.24 -0.87%
June 30, 2025 $-1.74 $-1.35 -28.6%
March 31, 2025 $-1.41 $-1.34 -5.3%
Dec. 31, 2024 $-1.62 $-1.25 -29.1%

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

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Balance Sheet 19
Metric Trend 2025
Cash & Equivalents $29M
Prepaid Expense $6M
Other Current Assets $664.0K
Current Assets $35M
PP&E (Net) $102.0K
PP&E (Gross) $5M
Accum. Depreciation $5M
Other Non-current Assets $113.0K
Total Assets $36M
Accounts Payable $6M
Current Liabilities $13M
Other Non-current Liabilities $2M
Total Liabilities $32M
Common Stock $3.0K
Paid-in Capital $321M
Retained Earnings $-317M
Stockholders' Equity $4M
Liabilities + Equity $36M
Shares Outstanding 27,996,819
Per Share 1
Metric Trend 2025
EPS (TTM) $-3.95
Valuation (TTM) 4
Metric Trend 2025
Revenue TTM $-119.0K
Net Income TTM $-76M
P/E -0.5
Earnings Yield -215.9%

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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No data for this statement

Not enough fundamentals data to build this statement yet.

Institutional owners (13F) 51 filers · $9.5M 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 51
Value held $9.5M
New positions 4
Exited positions 15
Institutional activity — Q2 2026 vs prior quarter
New positions Exited positions Increased Decreased Net shares change
4 (-9 vs prior Q) 15 (+6 vs prior Q) 11 (-6 vs prior Q) 15 (0 vs prior Q) -3.6M

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 GROUP INC $2,427,518 1,326,512 25.57% Shares
Qiming U.S. Ventures Management, LLC $2,210,934 928,964 23.29% Shares
Velan Capital Investment Management LP $1,020,111 2,423,067 10.75% Shares
ACORN CAPITAL ADVISORS, LLC $604,027 1,438,159 6.36% Shares
KINGDON CAPITAL MANAGEMENT, L.L.C. $569,237 1,352,106 6.00% Shares
VANGUARD CAPITAL MANAGEMENT LLC $493,421 1,172,021 5.20% Shares
Rock Springs Capital Management LP $463,406 1,100,726 4.88% Shares
Carlyle Group Inc. $448,866 1,066,189 4.73% Shares
MILLENNIUM MANAGEMENT LLC $204,999 486,933 2.16% Shares
Lion Point Capital, LP $195,765 465,000 2.06% Shares
GEODE CAPITAL MANAGEMENT, LLC $111,086 263,808 1.17% Shares
RENAISSANCE TECHNOLOGIES LLC $100,156 237,900 1.06% Shares
CITADEL ADVISORS LLC $86,726 206,000 0.91% Call option
BlackRock, Inc. $71,413 169,627 0.75% Shares
VANGUARD FIDUCIARY TRUST CO $63,126 149,943 0.66% Shares
ADAR1 Capital Management, LLC $58,940 140,000 0.62% Shares
Quarry LP $55,374 131,529 0.58% Shares
JANE STREET GROUP, LLC $42,834 101,743 0.45% Shares
JANE STREET GROUP, LLC $35,196 83,600 0.37% Call option
UBS Group AG $24,737 58,759 0.26% Shares
Jain Global LLC $21,549 51,185 0.23% Shares
OSAIC HOLDINGS, INC. $19,298 45,850 0.20% Shares
STATE STREET CORP $18,818 44,699 0.20% Shares
NORTHERN TRUST CORP $17,632 41,882 0.19% Shares
DIKER MANAGEMENT LLC $15,000 35,000 0.16% Shares
Qube Research & Technologies Ltd $14,197 33,722 0.15% Shares
XTX Topco Ltd $14,064 33,406 0.15% Shares
SIMPLEX TRADING, LLC $12,036 28,591 0.13% Shares
Ikarian Capital, LLC $10,144 24,093 0.11% Shares
CITADEL ADVISORS LLC $9,430 22,400 0.10% Put option
GROUP ONE TRADING LLC $8,391 19,930 0.09% Shares
Rehmann Capital Advisory Group $6,441 15,300 0.07% Shares
Sequent Planning LLC $6,273 14,900 0.07% Shares
BANK OF AMERICA CORP /DE/ $5,975 14,192 0.06% Shares
IEQ CAPITAL, LLC $5,699 13,538 0.06% Shares
Engineers Gate Manager LP $5,468 12,989 0.06% Shares
LPL Financial LLC $5,157 12,250 0.05% Shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP $4,326 10,300 0.05% Put option
Tower Research Capital LLC (TRC) $3,930 9,336 0.04% Shares
MORGAN STANLEY $726 1,724 0.01% Shares
Arax Advisory Partners $241 573 0.00% Shares
GSA CAPITAL PARTNERS LLP $225 534,697 0.00% Shares
FEDERATED HERMES, INC. $80 189 0.00% Shares
NATIONAL BANK OF CANADA /FI/ $63 160 0.00% Shares
BNP PARIBAS FINANCIAL MARKETS $59 141 0.00% Shares
SBI Securities Co., Ltd. $27 64 0.00% Shares
JONES FINANCIAL COMPANIES LLLP $17 50 0.00% Shares
JPMORGAN CHASE & CO $4 9 0.00% Shares
SG Americas Securities, LLC $4 10,556 0.00% Shares
ROYAL BANK OF CANADA $0 40 0.00% Shares

Show all 51 institutional owners →

Activists & 5%+ owners 2 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
Velan Capital Master Fund LP, Velan Capital Holdings LLC, Velan Horizon Fund LP, Velan Horizon GP LLC, Avego Healthcare Capital, L.P., Avego Healthcare Capital Holdings, LLC, Avego Management LLC, Velan Capital Investment Management LP, Velan Capital Management LLC, Morgan Adam, VENKATARAMAN BALAJI, Kapoor Vishal ×4 filings July 20, 2026 9.88% Amendment M&A / sale SEC
Abingworth LLP, Abingworth Bioventures VII, LP Oct. 4, 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 22 insiders · 6 officers · 13 directors

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Insider Role Last activity Shares owned Buys 12m Sells 12m Net 12m
Jeetinder Singh Mahal CEO and President Feb. 6, 2026 A 25,009 0 0 $0
Ron Martell President, CEO and Director Jan. 2, 2026 A 74,118 0 0 $0
Herb Cross Chief Financial Officer Jan. 2, 2026 A · 0 0 $0
Matthew E Ros Chief Operating Officer July 20, 2026 P · 0 0 $0
Edwin Jonathan Tucker Chief Medical Officer June 4, 2025 A 400 0 0 $0
Kevin N. Heller Executive Vice President, Research and Development March 21, 2022 A · 0 0 $0
Patrick J Crutcher Director July 20, 2026 P · 0 0 $0
Judith Anne Shizuru Director Sept. 22, 2025 P 156,901 0 0 $0
Svetlana Lucas Director Sept. 22, 2025 P 20,000 0 0 $0
Thomas G Wiggans Director Sept. 22, 2025 P 41,000 0 0 $0
Scott C. Brun Director July 3, 2025 A · 0 0 $0
Kapoor Vishal Director July 3, 2025 A · 0 0 $0
Chris Nolet Director July 3, 2025 A 32,500 0 0 $0
Kurt Von Emster Director July 3, 2025 A 21,175 0 0 $0
Anna Louise French Director June 6, 2024 A 23,750 0 0 $0
William Lis Director Oct. 13, 2023 S 53,521 0 0 $0
Lawrence Otto Klein Director June 7, 2023 A 24,500 0 0 $0
Abingworth LLP 10% owner March 21, 2022 A · 0 0 $0
Amplitude Healthcare Holdings LLC 10% owner Sept. 24, 2021 M 2,300,000 0 0 $0
Kenneth F Clifford · Sept. 24, 2021 M 2,300,000 0 0 $0
Howard I Hoffen · Sept. 24, 2021 M 2,300,000 0 0 $0
VENKATARAMAN BALAJI · Sept. 24, 2021 M 2,300,000 0 0 $0

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

ETF ownership Held by 2 ETFs

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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% 312,032 SH Aug. 19, 2026 Daily
VTI · VANGUARD INDEX FUNDS 0.00% 833,391 SH Aug. 19, 2026 Daily

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

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rating · 12 analysts BUY
Median target $4.00 +607.7%
3 25.0% Strong Buy
6 50.0% Buy
3 25.0% Hold
0 0.0% Sell
0 0.0% Strong Sell

12-Month Price Target

4 analysts · 2026-09-13

Mean target $7.38 +1204.8%

← Below all targets Current price $0.57
Low$1.50 Mean$7.38 High$20.00

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
JSPR · -0.5 · · · ·
ESLA · -4.5 · · · ·
ACTU $142M -5.8 · · -843.5% ·
NEUP $24M -1.4 -92.5% -1145.7% -49.5% ·
SHPH $4M -0.3 0.00% · -400.1% ·
DYAI · -4.1 -11.6% · · ·
KPTI $135M -0.4 0.57% -134.2% 73.7% ·

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Source: SEC 10-Q filed May 14, 2026