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Japer Therapeutics, Inc. Warrants

JSPRW Real Time Price USD
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Overview
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Insiders
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Compensation
Government
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News

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JSPRW historical prices
Income
Balance Sheet
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Revenue Breakdown
Congress Trading

Recent trades of JSPRW by members of U.S. Congress

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No Congress Trading data for this ticker

Congress Trading Dashboard
JSPRW Stock Insider Trading Activity Follow @QuiverQuant for major insider updates

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Closing Price
Purchase
Sale
Name
Type
Shares
Price
Shares Held
Date
Reported
JSPRW Stock Institutional Owners
Investor
Shares
Change in Shares
Market Value
Date
Reported
JSPRW Derivatives Institutional Owners
Investor
Type
Shares
Change in Shares
Market Value
Date
Reported
Whale Activity

Recently reported changes in JSPRW holdings by institutional investors

Insider Trading

Quarterly net insider trading by JSPRW's directors and management

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No recent Insider Trading for this ticker

Insider Trading Dashboard

* Insider trading data parsed from SEC Form 4 filings by Quiver Quantitative. Sign up for the Quiver API for real-time access.

About

Backtest Start Date
CAGR (Total)
Return (30d)
Return (1Y)
View Strategy Copytrade Strategy
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  • 6M
  • YTD
  • 1Y
  • 2Y
  • 5Y
  • MAX

About

Backtest Start Date

Key Metrics

Return (1d)

Return (30d)

Return (1Y)

CAGR (Total)

Max Drawdown

Beta

Alpha

Sharpe Ratio

Win Rate

Average Win

Average Loss

Annual Volatility

Annual Std Dev

Information Ratio

Treynor Ratio

Total Trades

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Metrics Definitions

Disclaimer: The performance results shown are based on historical backtesting and are hypothetical in nature. Backtested performance does not represent actual trading and does not account for all market factors that may affect execution, such as liquidity, slippage, and changing market conditions. Past performance is not necessarily indicative of future results. There is no guarantee that any trading strategy will be profitable or avoid losses.

  • Alpha

    Measures a portfolio's risk-adjusted performance against that of its benchmark

    Learn More about Alpha
  • Annual Standard Deviation

    Measures how much the portfolio's total return varies from its mean or average.

    Learn More about Annual Standard Deviation
  • Annual Volatility

    A statistical measure of the dispersion of returns for the portfolio.

    Learn More about Annual Volatility
  • Average Win

    The average return (%) for trades that resulted in a positive return.

  • Average Loss

    The average return (%) for trades that resulted in a negative return.

  • Beta

    A measure of the volatility of the portfolio compared to the market as a whole.

    Learn More about Beta
  • CAGR

    CAGR (Compounded Annual Growth Rate), is the historical annualized rate of return for an investment strategy, throughout the backtest period.

    Learn More about CAGR
  • Information Ratio

    A measurement of portfolio returns beyond the returns of its benchmark compared to the volatility of those returns.

    Learn More about Information Ratio
  • Max Drawdown

    the maximum observed loss from a peak to a trough of a portfolio, before a new peak is attained.

    Learn More about Max Drawdown
  • Sharpe Ratio

    The Sharpe Ratio is a measure of historical risk-adjusted return, which quantifies the amount of return that an investor received per unit of risk.

    Learn More about Sharpe Ratio
  • Total Trades

    The total number of trades made by this strategy.

  • Treynor Ratio

    Attempts to measure how successful an investment is in providing compensation to investors for taking on investment risk.

    Learn More about Treynor Ratio
  • Win Rate

    The percentage of total trades that resulted in a positive return.

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Corporate Lobbying

Government lobbying spending instances

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No Corporate Lobbying instances for this ticker

Corporate Lobbying Dashboard
Revolving Door

Former government officials who have lobbied for JSPRW

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No former government officials on record as having lobbied for JSPRW

Revolving Door Dashboard
Corporate Lobbying

JSPRW Estimated quarterly lobbying spending

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No Corporate Lobbying data for this ticker

Corporate Lobbying Dashboard
Revenue Breakdown

JSPRW Revenue by Segment or Geography

By Segment
By Geography
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Revenue Breakdown Dashboard
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Revenue Breakdown Dashboard
JSPRW Income Statement
JSPRW Balance Sheet
JSPRW Cash Flow
U.S. Patents

New JSPRW patent grants

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No new patents for this ticker

U.S. Patents Dashboard
Government Contracts

Federal grants, loans, and purchases

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No Government Contracts for this ticker

Government Contracts Dashboard
Government Contracts

Estimated quarterly amount awarded to JSPRW from public contracts

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No recent Government Contracts for this ticker

Government Contracts Dashboard
JSPRW News

Recent insights relating to JSPRW

CNBC Recommendations

Recent picks made for JSPRW stock on CNBC

Top ETF Holders

ETFs with the largest estimated holdings in JSPRW

JSPRW Analyst Ratings

JSPRW Stock Forecasts
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JSPRW Analyst Forecasts
Analyst
Firm
Current
Previous
Date
Frequently Asked Questions
  • Is $JSPRW stock a Buy, Sell, or Hold?

  • What is the price target for $JSPRW stock?

* Analyst consensus is not financial advice. Please see our data disclaimers .

JSPRW Top Shareholders
Shareholder
Shares Held
JSPRW Options Owners
Shareholder
Security
Underlying Shares
Frequently Asked Questions
  • Who owns $JSPRW stock?

  • Who owns the most shares of $JSPRW stock?

  • What funds own $JSPRW stock?

* These are estimates based on data taken from SEC filings. There may be inaccuracies due to parsing errors, accidental double-counting, incorrect classification of indirectly owned shares, or any other number of issues.

JSPRW Stock Smart Score

The Quiver Smart Score combines our data on Congress Trading, Lobbying, Insider Trading, CNBC Mentions and more to provide a comprehensive view of the strength of a stock's underlying data.

The Smart Score grades stocks on a scale of 1 (weakest) to 10 (strongest) based on the strength of the underlying data.
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Score Breakdown
Bull Case vs Bear Case

See concise summaries of analyst reports, presenting both bullish and bearish arguments for a stock.

Example:

Bulls Say:

The Bulls Say summary highlights positive aspects of the stock.

Bears Say:

The Bears Say summary points out potential risks and negative aspects of the stock.

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About JSPRW

Jasper Therapeutics Inc is a clinical-stage biotechnology company focused on developing therapeutics targeting mast cell driven diseases such as Chronic Spontaneous Urticaria (CSU), Chronic Inducible Urticaria (CIndU) and asthma. The company's lead product candidate, briquilimab, is a monoclonal antibody designed to block stem cell factor (SCF) from binding to and signaling through the CD117 (KIT) receptor on mast and stem cells. The company has a single operating and reportable segment, which is the research and development of therapeutic products in the fields of chronic urticaria and asthma.

Japer Therapeutics, Inc. Warrants (JSPRW) Historical Stock Prices

Japer Therapeutics, Inc. Warrants (JSPRW) closed at $0.0030 on September 22, 2026. Over the past year its adjusted close ranged from $0.0030 to $0.1400. Daily prices go back to September 27, 2021, 905 trading days in all.

  • 1 month-75.00%
  • 3 months-75.00%
  • Year to date-92.52%
  • 1 year-96.66%
  • 3 years-95.38%
  • 5 years—
  • Max-99.81%
See every congressional and insider trade on the JSPRW price chart

Quiver Premium charts JSPRW's full daily history since 2014 with each congressional purchase and sale and every open-market insider purchase marked on the price line, with hover details for each trade.

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Last 12 months, newest first

Access Raw Data Daily prices since 2014 for every ticker, through the Quiver API
DateOpenHighLowCloseAdj. CloseVolume
Sep 22, 2026 0.0044 0.0044 0.0026 0.0030 0.0030 155,757
Sep 21, 2026 0.0036 0.0052 0.0032 0.0044 0.0044 97,320
Sep 18, 2026 0.0031 0.0050 0.0031 0.0050 0.0050 26,760
Sep 17, 2026 0.0031 0.0050 0.0031 0.0050 0.0050 13,541
Sep 16, 2026 0.0075 0.0075 0.0030 0.0049 0.0049 184,037
Sep 15, 2026 0.0074 0.0074 0.0056 0.0073 0.0073 44,001
Sep 14, 2026 0.0079 0.0080 0.0067 0.0080 0.0080 12,443
Sep 11, 2026 0.0057 0.0080 0.0057 0.0080 0.0080 22,694
Sep 9, 2026 0.0092 0.0092 0.0057 0.0085 0.0085 62,594
Sep 8, 2026 0.0057 0.0074 0.0057 0.0074 0.0074 1,148
Sep 2, 2026 0.0057 0.0092 0.0057 0.0092 0.0092 3,346
Sep 1, 2026 0.0072 0.0092 0.0065 0.0092 0.0092 7,241
Aug 31, 2026 0.0046 0.0090 0.0046 0.0090 0.0090 10,436
Aug 28, 2026 0.0053 0.0093 0.0053 0.0089 0.0089 13,408
Aug 27, 2026 0.0079 0.0090 0.0077 0.0090 0.0090 15,939
Aug 26, 2026 0.0120 0.0120 0.0025 0.0099 0.0099 124,247
Aug 25, 2026 0.0092 0.0120 0.0074 0.0099 0.0099 62,281
Aug 24, 2026 0.0073 0.0119 0.0073 0.0109 0.0109 10,119
Aug 21, 2026 0.0074 0.0120 0.0074 0.0120 0.0120 16,369
Aug 20, 2026 0.0071 0.0122 0.0071 0.0121 0.0121 7,212
Aug 19, 2026 0.0125 0.0125 0.0084 0.0123 0.0123 9,169
Aug 14, 2026 0.0069 0.0138 0.0069 0.0138 0.0138 419
Aug 12, 2026 0.0069 0.0141 0.0069 0.0141 0.0141 9,836
Aug 11, 2026 0.0106 0.0144 0.0067 0.0144 0.0144 138,302
Aug 10, 2026 0.0099 0.0119 0.0099 0.0099 0.0099 1,672
Aug 5, 2026 0.0124 0.0124 0.0092 0.0120 0.0120 30,087
Aug 4, 2026 0.0125 0.0125 0.0092 0.0109 0.0109 6,223
Jul 28, 2026 0.0092 0.0121 0.0092 0.0121 0.0121 3,423
Jul 24, 2026 0.0124 0.0124 0.0107 0.0122 0.0122 9,278
Jul 17, 2026 0.0130 0.0133 0.0101 0.0130 0.0130 28,720
Jul 13, 2026 0.0135 0.0135 0.0133 0.0133 0.0133 3,170
Jul 10, 2026 0.0101 0.0121 0.0090 0.0121 0.0121 34,304
Jul 9, 2026 0.0129 0.0130 0.0119 0.0130 0.0130 7,809
Jul 6, 2026 0.0078 0.0130 0.0078 0.0130 0.0130 18,962
Jul 2, 2026 0.0102 0.0130 0.0102 0.0130 0.0130 617
Jul 1, 2026 0.0131 0.0131 0.0130 0.0130 0.0130 2,031
Jun 26, 2026 0.0159 0.0159 0.0101 0.0135 0.0135 26,425
Jun 25, 2026 0.0139 0.0139 0.0111 0.0116 0.0116 2,443
Jun 24, 2026 0.0125 0.0131 0.0120 0.0126 0.0126 21,074
Jun 23, 2026 0.0102 0.0120 0.0102 0.0120 0.0120 3,736
Jun 22, 2026 0.0102 0.0133 0.0102 0.0133 0.0133 4,732
Jun 18, 2026 0.0122 0.0134 0.0106 0.0134 0.0134 10,779
Jun 17, 2026 0.0102 0.0134 0.0102 0.0133 0.0133 1,138
Jun 12, 2026 0.0134 0.0134 0.0134 0.0134 0.0134 102
Jun 10, 2026 0.0113 0.0135 0.0113 0.0135 0.0135 354
Jun 9, 2026 0.0115 0.0136 0.0102 0.0136 0.0136 6,888
Jun 8, 2026 0.0115 0.0139 0.0115 0.0139 0.0139 1,225
Jun 5, 2026 0.0131 0.0142 0.0120 0.0142 0.0142 1,570
Jun 4, 2026 0.0127 0.0146 0.0115 0.0146 0.0146 14,729
Jun 3, 2026 0.0128 0.0128 0.0128 0.0128 0.0128 7,018
Jun 2, 2026 0.0102 0.0129 0.0102 0.0128 0.0128 2,394
May 28, 2026 0.0130 0.0130 0.0102 0.0130 0.0130 6,912
May 27, 2026 0.0122 0.0130 0.0105 0.0130 0.0130 11,542
May 26, 2026 0.0115 0.0145 0.0113 0.0130 0.0130 26,006
May 22, 2026 0.0107 0.0148 0.0101 0.0148 0.0148 24,614
May 19, 2026 0.0149 0.0151 0.0116 0.0150 0.0150 4,745
May 18, 2026 0.0150 0.0151 0.0150 0.0151 0.0151 506
May 15, 2026 0.0134 0.0151 0.0127 0.0151 0.0151 11,186
May 14, 2026 0.0122 0.0134 0.0105 0.0133 0.0133 11,450
May 13, 2026 0.0151 0.0151 0.0101 0.0106 0.0106 73,976
May 11, 2026 0.0140 0.0151 0.0140 0.0150 0.0150 1,187
May 8, 2026 0.0146 0.0151 0.0142 0.0150 0.0150 7,014
May 7, 2026 0.0151 0.0151 0.0142 0.0150 0.0150 9,489
May 6, 2026 0.0151 0.0151 0.0138 0.0151 0.0151 20,803
May 5, 2026 0.0151 0.0179 0.0151 0.0179 0.0179 5,554
May 4, 2026 0.0174 0.0174 0.0174 0.0174 0.0174 570
May 1, 2026 0.0152 0.0175 0.0152 0.0174 0.0174 8,853
Apr 29, 2026 0.0185 0.0185 0.0185 0.0185 0.0185 122
Apr 28, 2026 0.0198 0.0198 0.0152 0.0189 0.0189 74,734
Apr 27, 2026 0.0199 0.0199 0.0155 0.0157 0.0157 67,826
Apr 24, 2026 0.0181 0.0181 0.0155 0.0155 0.0155 9,808
Apr 21, 2026 0.0197 0.0198 0.0161 0.0193 0.0193 8,643
Apr 14, 2026 0.0166 0.0209 0.0166 0.0209 0.0209 1,077
Apr 13, 2026 0.0187 0.0208 0.0187 0.0208 0.0208 1,660
Apr 9, 2026 0.0217 0.0217 0.0217 0.0217 0.0217 3,561
Apr 8, 2026 0.0156 0.0185 0.0156 0.0184 0.0184 12,566
Apr 7, 2026 0.0171 0.0186 0.0171 0.0186 0.0186 3,800
Apr 6, 2026 0.0201 0.0219 0.0152 0.0155 0.0155 33,802
Mar 31, 2026 0.0203 0.0219 0.0203 0.0219 0.0219 1,140
Mar 27, 2026 0.0219 0.0221 0.0219 0.0221 0.0221 2,200
Mar 18, 2026 0.0202 0.0226 0.0202 0.0226 0.0226 982
Mar 17, 2026 0.0226 0.0226 0.0226 0.0226 0.0226 461
Mar 16, 2026 0.0227 0.0227 0.0227 0.0227 0.0227 353
Mar 12, 2026 0.0215 0.0228 0.0215 0.0227 0.0227 1,008
Mar 11, 2026 0.0223 0.0223 0.0220 0.0223 0.0223 1,116
Mar 6, 2026 0.0201 0.0204 0.0201 0.0204 0.0204 5,645
Mar 4, 2026 0.0206 0.0218 0.0187 0.0200 0.0200 8,485
Mar 3, 2026 0.0189 0.0189 0.0189 0.0189 0.0189 247
Feb 27, 2026 0.0209 0.0229 0.0209 0.0229 0.0229 259
Feb 26, 2026 0.0230 0.0232 0.0226 0.0230 0.0230 18,304
Feb 25, 2026 0.0193 0.0228 0.0193 0.0204 0.0204 1,755
Feb 24, 2026 0.0157 0.0208 0.0155 0.0199 0.0199 7,331
Feb 23, 2026 0.0159 0.0162 0.0159 0.0159 0.0159 2,853
Feb 20, 2026 0.0183 0.0183 0.0172 0.0172 0.0172 332
Feb 19, 2026 0.0180 0.0190 0.0177 0.0183 0.0183 1,154
Feb 17, 2026 0.0191 0.0191 0.0191 0.0191 0.0191 300
Feb 12, 2026 0.0182 0.0190 0.0166 0.0189 0.0189 32,306
Feb 11, 2026 0.0180 0.0190 0.0180 0.0190 0.0190 6,187
Feb 10, 2026 0.0218 0.0218 0.0178 0.0181 0.0181 49,702
Feb 9, 2026 0.0242 0.0247 0.0210 0.0217 0.0217 64,796
Feb 6, 2026 0.0242 0.0256 0.0242 0.0256 0.0256 5,176
Feb 5, 2026 0.0245 0.0245 0.0245 0.0245 0.0245 2,002
Feb 4, 2026 0.0245 0.0300 0.0245 0.0300 0.0300 29,587
Feb 3, 2026 0.0398 0.0398 0.0243 0.0312 0.0312 9,205
Feb 2, 2026 0.0223 0.0339 0.0222 0.0225 0.0225 29,788
Jan 30, 2026 0.0393 0.0393 0.0227 0.0341 0.0341 22,355
Jan 29, 2026 0.0497 0.0497 0.0207 0.0339 0.0339 41,421
Jan 28, 2026 0.0299 0.0387 0.0203 0.0278 0.0278 21,042
Jan 27, 2026 0.0204 0.0212 0.0203 0.0203 0.0203 7,089
Jan 26, 2026 0.0221 0.0222 0.0201 0.0204 0.0204 44,271
Jan 23, 2026 0.0255 0.0285 0.0221 0.0221 0.0221 66,802
Jan 22, 2026 0.0314 0.0326 0.0213 0.0247 0.0247 81,047
Jan 21, 2026 0.0482 0.0482 0.0260 0.0346 0.0346 147,968
Jan 20, 2026 0.0541 0.0599 0.0326 0.0326 0.0326 63,031
Jan 16, 2026 0.0500 0.0501 0.0420 0.0501 0.0501 7,298
Jan 15, 2026 0.0502 0.0502 0.0351 0.0450 0.0450 45,992
Jan 14, 2026 0.0729 0.0729 0.0500 0.0628 0.0628 43,305
Jan 13, 2026 0.0777 0.0777 0.0562 0.0629 0.0629 5,477
Jan 12, 2026 0.0800 0.0800 0.0581 0.0749 0.0749 10,997
Jan 9, 2026 0.0799 0.0799 0.0603 0.0700 0.0700 21,994
Jan 8, 2026 0.0706 0.0750 0.0626 0.0730 0.0730 5,177
Jan 7, 2026 0.0699 0.0750 0.0650 0.0739 0.0739 18,198
Jan 5, 2026 0.0737 0.0790 0.0553 0.0700 0.0700 13,078
Jan 2, 2026 0.0598 0.0774 0.0571 0.0682 0.0682 62,994
Dec 31, 2025 0.1039 0.1149 0.0401 0.0401 0.0401 317,331
Dec 30, 2025 0.1150 0.1150 0.0861 0.1124 0.1124 10,064
Dec 29, 2025 0.1150 0.1150 0.1120 0.1120 0.1120 1,416
Dec 26, 2025 0.1150 0.1150 0.0851 0.0874 0.0874 9,334
Dec 24, 2025 0.0850 0.0850 0.0850 0.0850 0.0850 1,930
Dec 23, 2025 0.1138 0.1138 0.1137 0.1137 0.1137 4,754
Dec 22, 2025 0.1116 0.1116 0.1000 0.1000 0.1000 3,351
Dec 19, 2025 0.1150 0.1150 0.1149 0.1150 0.1150 9,785
Dec 16, 2025 0.1220 0.1249 0.1178 0.1249 0.1249 4,458
Dec 15, 2025 0.1250 0.1250 0.1250 0.1250 0.1250 152
Dec 11, 2025 0.1250 0.1250 0.1250 0.1250 0.1250 3,269
Dec 10, 2025 0.1250 0.1251 0.1250 0.1250 0.1250 3,873
Dec 9, 2025 0.1250 0.1250 0.1250 0.1250 0.1250 7,708
Dec 5, 2025 0.1399 0.1399 0.1250 0.1250 0.1250 105,876
Dec 3, 2025 0.1122 0.1400 0.1000 0.1400 0.1400 61,786
Dec 2, 2025 0.1400 0.1456 0.1186 0.1249 0.1249 18,200
Dec 1, 2025 0.1250 0.1250 0.1250 0.1250 0.1250 130
Nov 24, 2025 0.1248 0.1368 0.1248 0.1368 0.1368 634
Nov 21, 2025 0.1111 0.1250 0.1111 0.1250 0.1250 11,498
Nov 20, 2025 0.1250 0.1250 0.1250 0.1250 0.1250 630
Nov 19, 2025 0.1298 0.1300 0.1250 0.1250 0.1250 3,316
Nov 18, 2025 0.1250 0.1368 0.1101 0.1200 0.1200 24,970
Nov 14, 2025 0.1101 0.1380 0.1052 0.1299 0.1299 6,883
Nov 13, 2025 0.1250 0.1300 0.1235 0.1250 0.1250 5,757
Nov 12, 2025 0.1250 0.1399 0.1188 0.1399 0.1399 4,455
Nov 11, 2025 0.1290 0.1400 0.1170 0.1250 0.1250 10,302
Nov 10, 2025 0.1094 0.1400 0.1094 0.1398 0.1398 1,242
Nov 7, 2025 0.1375 0.1380 0.1128 0.1380 0.1380 5,000
Nov 6, 2025 0.0860 0.1300 0.0849 0.1300 0.1300 6,368
Nov 5, 2025 0.1089 0.1212 0.0958 0.1178 0.1178 9,173
Nov 4, 2025 0.1085 0.1088 0.1010 0.1088 0.1088 2,113
Nov 3, 2025 0.1060 0.1069 0.0800 0.1045 0.1045 21,000
Oct 31, 2025 0.0800 0.1073 0.0800 0.0999 0.0999 9,531
Oct 30, 2025 0.1100 0.1165 0.0800 0.1080 0.1080 21,430
Oct 29, 2025 0.0821 0.1400 0.0780 0.0780 0.0780 29,272
Oct 28, 2025 0.0812 0.1054 0.0812 0.1054 0.1054 4,206
Oct 24, 2025 0.1100 0.1100 0.1100 0.1100 0.1100 462
Oct 22, 2025 0.1142 0.1142 0.1141 0.1142 0.1142 1,643
Oct 21, 2025 0.0879 0.1150 0.0780 0.1094 0.1094 39,104
Oct 20, 2025 0.1080 0.1150 0.0998 0.1100 0.1100 2,055
Oct 17, 2025 0.0948 0.1090 0.0908 0.0981 0.0981 11,296
Oct 16, 2025 0.0963 0.0980 0.0805 0.0949 0.0949 4,448
Oct 15, 2025 0.1028 0.1149 0.0804 0.1000 0.1000 5,419
Oct 14, 2025 0.0800 0.1199 0.0781 0.1177 0.1177 65,914
Oct 7, 2025 0.0711 0.0979 0.0711 0.0979 0.0979 300
Oct 6, 2025 0.0970 0.0980 0.0944 0.0945 0.0945 2,855
Oct 3, 2025 0.0980 0.0980 0.0973 0.0973 0.0973 200
Oct 2, 2025 0.0675 0.0979 0.0675 0.0979 0.0979 3,599
Oct 1, 2025 0.0975 0.0975 0.0653 0.0950 0.0950 11,282
Sep 30, 2025 0.0725 0.1000 0.0451 0.0797 0.0797 18,116
Sep 25, 2025 0.0798 0.1000 0.0798 0.1000 0.1000 10,043
Sep 24, 2025 0.0706 0.0898 0.0600 0.0897 0.0897 5,597

Open, high, low and close are the prices as traded. Adjusted close accounts for splits and dividends, and is what the chart and returns use. Where a company changed its ticker, its history under the old symbol is included.

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Japer Therapeutics, Inc. Warrants Executive Compensation

We estimate that -- received a compensation of -- in --, making them the highest paid executive at JSPRW, per a recent SEC DEF 14A filing.



Name
Role
Salary
Bonus
Stock/Option Awards
Total Compensation