Jasper Therapeutics, Inc.
JSPRW- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001788028
No open-market purchases or sales by Jasper Therapeutics, Inc. insiders were filed in the last 90 days; 8 institutions reported holding it in 13F filings for Q2 2026, worth $187.1K in total; no superinvestor holds it.
Other share classesJSPR
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Jasper Therapeutics, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Jasper Therapeutics, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Wiggans Thomas G | Director | 41,000Indirect | Aug 4, 2026 | 1 |
| Lucas Svetlana | Director | 20,000 | Aug 4, 2026 | 1 |
| Crutcher Patrick J | Director | – | Aug 4, 2026 | 2 |
| Emster Kurt Von | Director | 21,175 | Aug 4, 2026 | 1 |
| Shizuru Judith Anne | Director | 156,901 | Aug 4, 2026 | 1 |
| Ros Matthew E | Chief Operating Officer | – | Jul 22, 2026 | 1 |
| Mahal Jeetinder Singh | CEO and President | 25,009 | Feb 10, 2026 | 2 |
| Martell Ron | President, CEO and Director | 74,118 | Jan 5, 2026 | 1 |
| Cross Herb | Chief Financial Officer | – | Jan 5, 2026 | 1 |
| Nolet Chris | Director | 32,500 | Jul 3, 2025 | 0 |
| Kapoor Vishal | Director | – | Jul 3, 2025 | 0 |
| Brun Scott C. | Director | – | Jul 3, 2025 | 0 |
| Tucker Edwin Jonathan | Chief Medical Officer | 400 | Jun 6, 2025 | 0 |
| French Anna Louise | Director | 23,750 | Jun 10, 2024 | 0 |
| TC Group, LLC | 10% Owner | 1,066,189Indirect | Feb 12, 2024 | 0 |
| Carlyle Investment Management LLC | 10% Owner | 1,066,189Indirect | Feb 12, 2024 | 0 |
| Abingworth LLP | 10% Owner | 1,066,189Indirect | Feb 12, 2024 | 0 |
| Carlyle Group Inc. | Other: Former 10% Owner | 1,066,189Indirect | Feb 12, 2024 | 0 |
| Carlyle Holdings I GP Inc. | 10% Owner | 1,066,189Indirect | Feb 12, 2024 | 0 |
| Carlyle Holdings I GP Sub L.L.C. | 10% Owner | 1,066,189Indirect | Feb 12, 2024 | 0 |
| Carlyle Holdings I L.P. | 10% Owner | 1,066,189Indirect | Feb 12, 2024 | 0 |
| Abingworth Bioventures VII LP | 10% Owner | 1,066,189Indirect | Feb 12, 2024 | 0 |
| CG Subsidiary Holdings L.L.C. | 10% Owner | 1,066,189Indirect | Feb 12, 2024 | 0 |
| Carlyle Genesis UK LLC | 10% Owner | 1,066,189Indirect | Feb 12, 2024 | 0 |
| Venkataraman Balaji | 10% Owner | 1,188,500Indirect | Feb 9, 2024 | 0 |
| Avego Healthcare Capital, L.P. | Other: See Footnote 1 | 1,188,500Indirect | Feb 9, 2024 | 0 |
| Velan Capital Investment Management LP | 10% Owner | 1,188,500Indirect | Feb 9, 2024 | 0 |
| Avego Management LLC | Other: See Footnote 1 | 1,188,500Indirect | Feb 9, 2024 | 0 |
| Morgan Adam | 10% Owner | 1,188,500Indirect | Feb 9, 2024 | 0 |
| Velan Capital Holdings LLC | Other: See Footnote 1 | 1,188,500Indirect | Feb 9, 2024 | 0 |
| Velan Capital Management LLC | 10% Owner | 1,188,500Indirect | Feb 9, 2024 | 0 |
| Velan Capital Master Fund LP | Other: See Footnote 1 | 1,188,500Indirect | Feb 9, 2024 | 0 |
| Avego Healthcare Capital Holdings, LLC | Other: See Footnote 1 | 1,188,500Indirect | Feb 9, 2024 | 0 |
| Lis William | Director | 53,521 | Oct 13, 2023 | 0 |
| Klein Lawrence Otto | Director | 24,500 | Jun 8, 2023 | 0 |
| McDade Mark | 10% Owner | 8,519,648 | Apr 11, 2023 | 0 |
| Rieschel Gary E | 10% Owner | 8,519,648 | Apr 11, 2023 | 0 |
| Qiming U.S. Healthcare Fund II, L.P. | 10% Owner | 8,519,648 | Apr 11, 2023 | 0 |
| Qiming U.S. Healthcare GP II, LLC | 10% Owner | 8,519,648 | Apr 11, 2023 | 0 |
| Roche Holding Ltd | 10% Owner | 4,549,606Indirect | Jan 26, 2023 | 0 |
| Roche Finance Ltd | 10% Owner | 4,549,606Indirect | Jan 26, 2023 | 0 |
| Heller Kevin N. | See Remarks | – | Mar 23, 2022 | 0 |
| Hoffen Howard I | Other: FORMER DIRECTOR | 2,300,000Indirect | Sep 28, 2021 | 0 |
| Clifford Kenneth F | Other: FORMER OFFICER | 2,300,000Indirect | Sep 28, 2021 | 0 |
| Amplitude Healthcare Holdings LLC | 10% Owner | 2,300,000 | Sep 28, 2021 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 22, 2026 (view filing)7:10 PM ET | Jul 20 | 2 days | Ros Matthew EChief Operating Officer | PPurchaseVoting Common Stock | +53.7K | – | – | –881 after | Derivative |
| Jul 20, 2026 (view filing)8:38 PM ET | Jul 20 | Same day | Crutcher Patrick JDirector | PPurchaseVoting Common Stock | +888 | – | – | –888 after | Derivative |
| Sep 24, 2025 (view filing) | Sep 22 | 2 days | Wiggans Thomas GDirector | PPurchaseVoting Common Stock | +41.0K | $2.43 | +$99.6K | New position41.0K after | |
| Sep 24, 2025 (view filing) | Sep 22 | 2 days | Wiggans Thomas GDirector | PPurchaseVoting Common Stock | +41.0K | – | – | –41.0K after | DerivativeDuplicate filing |
| Sep 24, 2025 (view filing) | Sep 22 | 2 days | Lucas SvetlanaDirector | PPurchaseVoting Common Stock | +20.0K | $2.43 | +$48.6K | New position20.0K after | |
| Sep 24, 2025 (view filing) | Sep 22 | 2 days | Lucas SvetlanaDirector | PPurchaseVoting Common Stock | +20.0K | – | – | –20.0K after | Derivative |
| Sep 24, 2025 (view filing) | Sep 22 | 2 days | Martell RonPresident and CEO | PPurchaseVoting Common Stock | +41.0K | $2.43 | +$99.6K | +123.8%74.1K after | |
| Sep 24, 2025 (view filing) | Sep 22 | 2 days | Martell RonPresident and CEO | PPurchaseVoting Common Stock | +41.0K | – | – | –41.0K after | Derivative |
| Sep 24, 2025 (view filing) | Sep 22 | 2 days | Shizuru Judith AnneDirector | PPurchaseVoting Common Stock | +41.0K | $2.43 | +$99.6K | +35.4%156.9K after | |
| Sep 24, 2025 (view filing) | Sep 22 | 2 days | Shizuru Judith AnneDirector | PPurchaseVoting Common Stock | +41.0K | – | – | –41.0K after | Derivative |
| Dec 12, 2024 (view filing) | Dec 12 | Same day | Mahal Jeetinder SinghChief Operating Officer | SSaleVoting Common Stock | −900 | $22.11 | −$19.9K | −3.5%25.0K after | 10b5-1 |
| Sep 12, 2024 (view filing) | Sep 12 | Same day | Mahal Jeetinder SinghChief Operating Officer | SSaleVoting Common Stock | −900 | $21.23 | −$19.1K | −3.5%25.0K after | 10b5-1 |
| Jun 12, 2024 (view filing) | Jun 12 | Same day | Mahal Jeetinder SinghChief Operating Officer | SSaleVoting Common Stock | −900 | $24.16 | −$21.7K | −3.5%25.0K after | 10b5-1 |
| Mar 12, 2024 (view filing) | Mar 12 | Same day | Mahal Jeetinder SinghChief Operating Officer | SSaleVoting Common Stock | −900 | $26.44 | −$23.8K | −3.5%25.0K after | |
| Feb 12, 2024 (view filing)6:23 PM ET | Feb 8 | 4 days | TC Group, LLC and 9 others10% Owner | PPurchaseVoting Common Stock | +190.0K | $12.95 | +$2.46M | +21.7%1.07M after | |
| Feb 9, 2024 (view filing)8:40 PM ET | Feb 8 | 1 day | Venkataraman Balaji and 8 others10% Owner | PPurchaseCommon Stock, par value $0.0001 per share | +350.0K | $12.95 | +$4.53M | +41.7%1.19M after | |
| Nov 30, 2023 (view filing) | Nov 28 | 2 days | Wiggans Thomas GDirector | PPurchaseVoting Common Stock | +10.0K | $0.65 | +$6.50K | +25.0%50.0K after | |
| Nov 22, 2023 (view filing) | Nov 21 | 1 day | Wiggans Thomas GDirector | PPurchaseVoting Common Stock | +10.0K | $0.64 | +$6.40K | +33.3%40.0K after | |
| Nov 20, 2023 (view filing) | Nov 16-20 | 4 days | Wiggans Thomas GDirector | PPurchaseVoting Common Stock | +30.0K | $0.61 | +$18.3K | New position30.0K after | 3 lots |
| Oct 13, 2023 (view filing) | Oct 13 | Same day | Lis WilliamDirector | SSaleVoting Common Stock | −7.96K | $0.85 | −$6.77K | −13.0%53.5K after | 10b5-1 |
| Jun 13, 2023 (view filing) | Jun 13 | Same day | Mahal Jeetinder SinghSee Remarks | SSaleVoting Common Stock | −9.00K | $1.66 | −$14.9K | −3.0%287.2K after | 10b5-1 |
| Apr 14, 2023 (view filing) | Apr 14 | Same day | French Anna LouiseDirector | SSaleVoting Common Stock | −7.00K | $1.48 | −$10.4K | −22.8%23.8K after | |
| Apr 14, 2023 (view filing) | Apr 13 | 1 day | Emster Kurt VonDirector | SSaleVoting Common Stock | −9.07K | $1.49 | −$13.5K | −30.0%21.2K after | |
| Apr 14, 2023 (view filing) | Apr 13 | 1 day | Lis WilliamDirector | SSaleVoting Common Stock | −8.50K | $1.44 | −$12.2K | −12.1%61.5K after | |
| Apr 11, 2023 (view filing)7:55 PM ET | Jan 27 | 74 daysLate | McDade Mark and 3 others10% Owner | PPurchaseVoting Common Stock | +2.67M | $1.50 | +$4.00M | +45.6%8.52M after | |
| Jan 31, 2023 (view filing)5:24 PM ET | Jan 27 | 4 days | TC Group, LLC and 8 others10% Owner | PPurchaseVoting Common Stock | +3.13M | $1.50 | +$4.70M | +55.7%8.76M after | |
| Jan 26, 2023 (view filing)5:49 PM ET | Jan 25 | 1 day | Roche Holding Ltd and 1 other10% Owner | SSaleVoting Common Stock | −75.0K | $1.89 | −$141.8K | −1.6%4.55M after | |
| Jun 28, 2022 (view filing) | Jun 24-27 | 4 days | Lis WilliamDirector | SSaleVoting Common Stock | −49.5K | $2.05 | −$101.4K | −55.0%40.5K after | 2 lots |