Jasper Therapeutics (JSPR) Stock Analysis & Price (Updated Oct 16, 2026, 4:00 PM ET)
Updated Oct 16, 2026, 4:00 PM ET
- Closed at $0.48, -9.79% vs the prior close of $0.53.
- Volume 245.63K shares, 0.5x its 50-day average (light).
- New SEC filings: 8-K (Oct 15, 2026).
- No new insider buys or sales reported since the prior session.
JSPR slides 9.8% to $0.48, a 3-month low. Closed at $0.48, -9.79% vs the prior close of $0.53. Day range $0.48–$0.55, opened at $0.54.
JSPR daily analysis — what happened
A plain-English, data-only note written after every US trading day. Newest first; older days stay archived below.
Oct 16, 2026 — JSPR slides 9.8% to $0.48, a 3-month low
- Closed at $0.48, -9.79% vs the prior close of $0.53. Day range $0.48–$0.55, opened at $0.54.
- Volume was 245.63K shares, 0.5x its 50-day average of 514.39K — lighter than usual.
- Price is -27.1% vs its 50-day average ($0.66) and -47.4% vs its 200-day average ($0.91).
- 52-week range $0.31–$2.69; today's close sits at 7% of that range, 82.2% below the 52-week high.
Oct 15, 2026 — JSPR jumps 6.2% to $0.53
- Closed at $0.53, +6.19% vs the prior close of $0.50. Day range $0.48–$0.55, opened at $0.49.
- Volume was 380.00K shares, 0.7x its 50-day average of 513.51K.
- Price is -19.5% vs its 50-day average ($0.66) and -42.1% vs its 200-day average ($0.92).
- 52-week range $0.31–$2.69; today's close sits at 9% of that range, 80.2% below the 52-week high.
- SEC filings that day: 8-K.
Oct 14, 2026 — JSPR rises 1.0% to $0.50
- Closed at $0.50, +1.01% vs the prior close of $0.50. Day range $0.46–$0.52, opened at $0.50.
- Volume was 620.10K shares, 1.2x its 50-day average of 515.48K.
- Price is -24.5% vs its 50-day average ($0.66) and -45.9% vs its 200-day average ($0.93).
- 52-week range $0.31–$2.69; today's close sits at 8% of that range, 81.4% below the 52-week high.
- SEC filings that day: S-3.
Oct 13, 2026 — JSPR slides 10.6% to $0.50, a 3-month low
- Closed at $0.50, -10.63% vs the prior close of $0.56. Day range $0.50–$0.54, opened at $0.54.
- Volume was 429.30K shares, 0.8x its 50-day average of 513.34K.
- Price is -25.7% vs its 50-day average ($0.67) and -46.8% vs its 200-day average ($0.93).
- 52-week range $0.31–$2.69; today's close sits at 8% of that range, 81.6% below the 52-week high.
Oct 12, 2026 — JSPR dips 2.6% to $0.56, a 3-month low
- Closed at $0.56, -2.63% vs the prior close of $0.57. Day range $0.55–$0.58, opened at $0.57.
- Volume was 335.80K shares, 0.6x its 50-day average of 517.10K.
- Price is -17.1% vs its 50-day average ($0.67) and -40.8% vs its 200-day average ($0.94).
- 52-week range $0.31–$2.69; today's close sits at 10% of that range, 79.4% below the 52-week high.
Oct 9, 2026 — JSPR rises 1.8% to $0.57
- Closed at $0.57, +1.79% vs the prior close of $0.56. Day range $0.54–$0.58, opened at $0.55.
- Volume was 261.90K shares, 0.5x its 50-day average of 521.84K — lighter than usual.
- Price is -15.0% vs its 50-day average ($0.67) and -39.7% vs its 200-day average ($0.94).
- 52-week range $0.31–$2.69; today's close sits at 11% of that range, 78.8% below the 52-week high.
Oct 8, 2026 — JSPR dips 1.8% to $0.56
- Closed at $0.56, -1.75% vs the prior close of $0.57. Day range $0.54–$0.58, opened at $0.56.
- Volume was 362.20K shares, 0.7x its 50-day average of 518.57K.
- Price is -16.6% vs its 50-day average ($0.67) and -41.1% vs its 200-day average ($0.95).
- 52-week range $0.31–$2.69; today's close sits at 10% of that range, 79.2% below the 52-week high.
Oct 7, 2026 — JSPR rises 1.8% to $0.57
- Closed at $0.57, +1.79% vs the prior close of $0.56. Day range $0.54–$0.59, opened at $0.54.
- Volume was 365.20K shares, 0.7x its 50-day average of 521.89K.
- Price is -15.3% vs its 50-day average ($0.67) and -40.5% vs its 200-day average ($0.96).
- 52-week range $0.31–$2.69; today's close sits at 11% of that range, 78.8% below the 52-week high.
- SEC filings that day: 8-K.
Oct 6, 2026 — JSPR slides 5.6% to $0.56, a 1-month low
- Closed at $0.56, -5.56% vs the prior close of $0.59. Day range $0.55–$0.60, opened at $0.60.
- Volume was 327.90K shares, 0.6x its 50-day average of 525.47K.
- Price is -16.9% vs its 50-day average ($0.67) and -41.9% vs its 200-day average ($0.96).
- 52-week range $0.31–$2.69; today's close sits at 10% of that range, 79.2% below the 52-week high.
Oct 5, 2026 — JSPR jumps 5.0% to $0.59
- Closed at $0.59, +4.96% vs the prior close of $0.56. Day range $0.54–$0.60, opened at $0.57.
- Volume was 376.00K shares, 0.7x its 50-day average of 531.43K.
- Price is -12.4% vs its 50-day average ($0.68) and -38.9% vs its 200-day average ($0.97).
- 52-week range $0.31–$2.69; today's close sits at 12% of that range, 78.0% below the 52-week high.
- SEC filings that day: 8-K.
Oct 2, 2026 — JSPR slides 5.5% to $0.56, a 1-month low
- Closed at $0.56, -5.52% vs the prior close of $0.60. Day range $0.56–$0.62, opened at $0.60.
- Volume was 236.10K shares, 0.4x its 50-day average of 537.25K — lighter than usual.
- Price is -16.7% vs its 50-day average ($0.68) and -42.1% vs its 200-day average ($0.98).
- 52-week range $0.31–$2.69; today's close sits at 11% of that range, 79.0% below the 52-week high.
JSPR latest news & SEC filings
Every SEC filing by or about JSPR in the last 120 days, explained in plain English. Updated daily, with a same-day refresh for new filings.
Oct 15, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 8.01 — Reported other events the company considers important.
Oct 14, 2026 · Form S-3 — Shelf registration (S-3)
Shelf registration (S-3) — lets the company sell securities over time
An offering document: new shares or debt may be sold, which can increase the share count (dilution) or debt load. Size and terms are in the prospectus.
Oct 9, 2026 · Form PRE 14A — Preliminary proxy statement
Preliminary proxy statement
Oct 7, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 8.01 — Reported other events the company considers important.
Oct 7, 2026 · Form SC TO-I — SC TO-I filing
SC TO-I filing
Oct 5, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 5.07 — Reported shareholder vote results.
Oct 5, 2026 · Form 8-K/A — Current report (amended)
Amended current report
- Exhibits / financial statements only (Item 9.01).
Oct 1, 2026 · Form 8-K/A — Current report (amended)
Amended current report
- Exhibits / financial statements only (Item 9.01).
Sep 28, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 5.02 — Change in directors or officers (appointment, departure or pay).
Sep 24, 2026 · Form 25-NSE — Notice that a security is being removed from exchange listing
Notice that a security is being removed from exchange listing
Sep 4, 2026 · Form DEF 14A — Proxy statement
Proxy statement — agenda for the shareholder meeting (board elections, executive pay, votes)
Aug 26, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 1.01 — Signed a material agreement.
Aug 24, 2026 · Form PRE 14A — Preliminary proxy statement
Preliminary proxy statement
Aug 17, 2026 · Form SCHEDULE 13G — Passive stake (13G)
Passive stake (13G) — an investor reported owning more than 5%
Filed by an outside investor (not the company). It reports a holding of more than 5% of a share class; percentage and holder name are in the filing.
Aug 14, 2026 · Form 8-K — Major event / current report
Current report — a filing companies must make within 4 business days of a major event
- Item 2.02 — Reported results of operations (earnings release).
This is a results-day filing: the earnings press release is attached as an exhibit.
Things to know before you trade JSPR
- Last results release: Aug 14, 2026 (8-K Item 2.02). Previous ones: May 14, 2026, Mar 30, 2026, Nov 10, 2025. Based on that rhythm, the next report is likely around Nov 13, 2026 — an estimate, not a confirmed date.
- How much it moves: over the last 20 sessions the average daily move was 4.34% (largest 10.6%). That is a volatile stock.
- Liquidity: about 384.02K shares (≈$184.29K) trade per day on average. Thin volume can mean wider bid/ask spreads.
- 52-week position: $0.48 vs a range of $0.31–$2.69 (7% of the range).
- Dividends: no cash dividends in the last 2 years.
- Splits: none in the last 2 years.
- Insider trades (Form 4, last 12 months, recent 25 shown): 0 open-market buys, 0 sales.
- Latest filings: 8-K Oct 15, 2026; 8-K Oct 7, 2026; 8-K Oct 5, 2026.
- Share count: 33.27M shares outstanding (Aug 10, 2026), +104.7% vs a year earlier — notable dilution.
- Listing: Nasdaq · industry: Biological Products, (No Diagnostic Substances).
JSPR market data (last 20 sessions)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 16, 2026 | 0.54 | 0.55 | 0.48 | 0.48 | 245.63K |
| Oct 15, 2026 | 0.49 | 0.55 | 0.48 | 0.53 | 380.00K |
| Oct 14, 2026 | 0.50 | 0.52 | 0.46 | 0.50 | 620.10K |
| Oct 13, 2026 | 0.54 | 0.54 | 0.50 | 0.50 | 429.30K |
| Oct 12, 2026 | 0.57 | 0.58 | 0.55 | 0.56 | 335.80K |
| Oct 9, 2026 | 0.55 | 0.58 | 0.54 | 0.57 | 261.90K |
| Oct 8, 2026 | 0.56 | 0.58 | 0.54 | 0.56 | 362.20K |
| Oct 7, 2026 | 0.54 | 0.59 | 0.54 | 0.57 | 365.20K |
| Oct 6, 2026 | 0.60 | 0.60 | 0.55 | 0.56 | 327.90K |
| Oct 5, 2026 | 0.57 | 0.60 | 0.54 | 0.59 | 376.00K |
| Oct 2, 2026 | 0.60 | 0.62 | 0.56 | 0.56 | 236.10K |
| Oct 1, 2026 | 0.59 | 0.64 | 0.58 | 0.60 | 294.60K |
| Sep 30, 2026 | 0.62 | 0.65 | 0.57 | 0.58 | 538.50K |
| Sep 29, 2026 | 0.64 | 0.68 | 0.58 | 0.62 | 915.70K |
| Sep 28, 2026 | 0.61 | 0.66 | 0.60 | 0.63 | 251.10K |
| Sep 25, 2026 | 0.59 | 0.62 | 0.58 | 0.61 | 163.10K |
| Sep 24, 2026 | 0.59 | 0.59 | 0.54 | 0.58 | 634.20K |
| Sep 23, 2026 | 0.63 | 0.65 | 0.57 | 0.57 | 427.00K |
| Sep 22, 2026 | 0.63 | 0.65 | 0.61 | 0.62 | 310.10K |
| Sep 21, 2026 | 0.64 | 0.67 | 0.60 | 0.60 | 206.00K |
About Jasper Therapeutics
Jasper Therapeutics (JSPR) is listed on the Nasdaq and classified by the SEC under “Biological Products, (No Diagnostic Substances)”. Its business address is in REDWOOD CITY, CA. State of incorporation: DE. Fiscal year ends December 31. SEC CIK 1788028.
JSPR board of directors & executives
From SEC Form 3/4/5 insider filings made in the last 12 months (date = latest filing).
Directors
| Name | Role | Latest filing |
|---|---|---|
| Patrick J Crutcher | Director | Aug 4, 2026 |
| Kurt Von Emster | Director | Aug 4, 2026 |
| Svetlana Lucas | Director | Aug 4, 2026 |
| Ron Martell | President, CEO and Director | Jan 5, 2026 |
| Jeetinder Singh Mahal | CEO and President | Feb 10, 2026 |
| Judith Anne Shizuru | Director | Aug 4, 2026 |
| Thomas G Wiggans | Director | Aug 4, 2026 |
Executive officers
| Name | Title | Latest filing |
|---|---|---|
| Herb Cross | Chief Financial Officer | Jan 5, 2026 |
| Greg Keenan | Chief Medical Officer | Jul 23, 2026 |
| Ron Martell | President, CEO and Director | Jan 5, 2026 |
| Jeetinder Singh Mahal | CEO and President | Feb 10, 2026 |
| Matthew E Ros | Chief Operating Officer | Jul 22, 2026 |
| Wenru Song | EVP, Head of R&D | Jul 22, 2026 |
Recent insider buys & sales
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| No open-market insider buys or sales reported in the last 12 months. | ||||
JSPR financials (annual, from XBRL filings)
| Fiscal year end | Revenue | Net income | Diluted EPS | Operating cash flow |
|---|---|---|---|---|
| Dec 31, 2025 | — | $-75.80M | -3.95 | $-77.16M |
| Dec 31, 2024 | — | $-71.27M | -4.89 | $-62.60M |
| Dec 31, 2023 | — | $-64.47M | -6.18 | $-52.07M |
| Dec 31, 2022 | — | $-37.69M | -10.33 | $-45.86M |
| Dec 31, 2021 | — | $-30.64M | -2.69 | $-33.68M |
Latest balance sheet: total assets $11.80M, total liabilities $10.39M, cash $7.31M (as of Jun 30, 2026).
JSPR earnings / results-day log
| Date | Filing | Close that day |
|---|---|---|
| Aug 14, 2026 | 8-K Item 2.02 (results) | $0.79 |
| May 14, 2026 | 8-K Item 2.02 (results) | $0.96 |
| Mar 30, 2026 | 8-K Item 2.02 (results) | $0.90 |
| Nov 10, 2025 | 8-K Item 2.02 (results) | $1.78 |
| Aug 13, 2025 | 8-K Item 2.02 (results) | $2.97 |
| May 12, 2025 | 8-K Item 2.02 (results) | $4.74 |
| Feb 27, 2025 | 8-K Item 2.02 (results) | $5.67 |
| Nov 7, 2024 | 8-K Item 2.02 (results) | $22.69 |
| Mar 4, 2024 | 8-K Item 2.02 (results) | — |
| Nov 9, 2023 | 8-K Item 2.02 (results) | — |
| Aug 11, 2023 | 8-K Item 2.02 (results) | — |
| May 12, 2023 | 8-K Item 2.02 (results) | — |
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Information only, not investment advice. BuyMeWhiskey is not a registered investment adviser or broker-dealer; nothing here is a recommendation to buy, sell or hold any security, and there are no price targets. Data comes from SEC EDGAR filings and public end-of-day market data and may be delayed or contain errors. Verify with the company's filings before making decisions. Prices: end-of-day data as of Oct 16, 2026, 4:00 PM ET. Filings: SEC EDGAR. Updated after every US trading day.