JSPR Jasper Therapeutics, Inc.
Nasdaq · SEC CIK 1788028 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $0 0 sales by 0 insiders
- Filings on record
- 104 since 2021-09-28, latest 2026-08-04 16:11
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| No open-market trades in the last year. | |||
Transactions 45
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DI | 2025-09-24 | 2025-09-22 | JSPR | WIGGANS THOMAS G | Dir | P - Purchase | $2.43 | +41.0K | 41.0K | New | +$99.6K |
| D | 2025-09-24 | 2025-09-22 | JSPR | MARTELL RON | Pres, CEO, Dir | P - Purchase | $2.43 | +41.0K | 74.1K | +124% | +$99.6K |
| D | 2025-09-24 | 2025-09-22 | JSPR | Shizuru Judith Anne | Dir | P - Purchase | $2.43 | +41.0K | 156.9K | +35% | +$99.6K |
| D | 2025-09-24 | 2025-09-22 | JSPR | Lucas Svetlana | Dir | P - Purchase | $2.43 | +20.0K | 20.0K | New | +$48.6K |
| D | 2024-12-12 | 2024-12-12 | JSPR | Mahal Jeetinder Singh | COO | M - OptEx | $7.10 | +900 | 25.9K | +4% | +$6,390 |
| D | 2024-12-12 | 2024-12-12 | JSPR | Mahal Jeetinder Singh | COO | S - Sale+OE | $22.11 | -900 | 25.0K | -3% | -$19.9K |
| D | 2024-09-12 | 2024-09-12 | JSPR | Mahal Jeetinder Singh | COO | S - Sale+OE | $21.23 | -900 | 25.0K | -3% | -$19.1K |
| D | 2024-09-12 | 2024-09-12 | JSPR | Mahal Jeetinder Singh | COO | M - OptEx | $7.10 | +900 | 25.9K | +4% | +$6,390 |
| D | 2024-06-12 | 2024-06-12 | JSPR | Mahal Jeetinder Singh | COO | S - Sale+OE | $24.16 | -900 | 25.0K | -3% | -$21.7K |
| D | 2024-06-12 | 2024-06-12 | JSPR | Mahal Jeetinder Singh | COO | M - OptEx | $7.10 | +900 | 25.9K | +4% | +$6,390 |
| 2024-06-10 | 2024-06-07 | JSPR | Tucker Edwin Jonathan | Chief Medical Off | A - Grant | $4.17 | +400 | 400 | New | +$1,668 | |
| D | 2024-03-12 | 2024-03-12 | JSPR | Mahal Jeetinder Singh | COO | S - Sale+OE | $26.44 | -900 | 25.0K | -3% | -$23.8K |
| D | 2024-03-12 | 2024-03-12 | JSPR | Mahal Jeetinder Singh | COO | M - OptEx | $7.10 | +900 | 25.9K | +4% | +$6,390 |
| I | 2024-02-12 | 2024-02-08 | JSPR | Abingworth LLP | 10% | P - Purchase | $12.95 | +190.0K | 1.07M | +22% | +$2.46M |
| I | 2024-02-09 | 2024-02-08 | JSPR | VENKATARAMAN BALAJI | 10% | P - Purchase | $12.95 | +350.0K | 1.19M | +42% | +$4.53M |
| 2023-11-30 | 2023-11-28 | JSPR | WIGGANS THOMAS G | Dir | P - Purchase | $0.65 | +10.0K | 50.0K | +25% | +$6,500 | |
| 2023-11-22 | 2023-11-21 | JSPR | WIGGANS THOMAS G | Dir | P - Purchase | $0.64 | +10.0K | 40.0K | +33% | +$6,400 | |
| M | 2023-11-20 | 2023-11-16+ | JSPR | WIGGANS THOMAS G | Dir | P - Purchase | $0.61 | +30.0K | 10.0K | New | +$18.3K |
| 2023-10-13 | 2023-10-12 | JSPR | MARTELL RON | Pres, CEO, Dir | F - Tax | $0.85 | -87.5K | 331.2K | -21% | -$74.4K | |
| 2023-10-13 | 2023-10-13 | JSPR | Lis William | Dir | S - Sale | $0.85 | -7,965 | 53.5K | -13% | -$6,770 | |
| 2023-10-13 | 2023-10-12 | JSPR | Mahal Jeetinder Singh | COO | F - Tax | $0.85 | -37.1K | 250.1K | -13% | -$31.6K | |
| D | 2023-06-13 | 2023-06-13 | JSPR | Mahal Jeetinder Singh | See Remarks | S - Sale+OE | $1.66 | -9,000 | 287.2K | -3% | -$14.9K |
| D | 2023-06-13 | 2023-06-13 | JSPR | Mahal Jeetinder Singh | See Remarks | M - OptEx | $0.71 | +9,000 | 296.2K | +3% | +$6,390 |
| 2023-04-14 | 2023-04-13 | JSPR | EMSTER KURT VON | Dir | S - Sale | $1.49 | -9,075 | 21.2K | -30% | -$13.5K | |
| 2023-04-14 | 2023-04-12 | JSPR | Mahal Jeetinder Singh | See Remarks | F - Tax | $1.46 | -37.1K | 287.2K | -11% | -$54.2K | |
| 2023-04-14 | 2023-04-14 | JSPR | French Anna Louise | Dir | S - Sale | $1.48 | -7,000 | 23.8K | -23% | -$10.4K | |
| 2023-04-14 | 2023-04-12 | JSPR | MARTELL RON | Pres, CEO, Dir | F - Tax | $1.46 | -87.5K | 418.7K | -17% | -$127.8K | |
| 2023-04-14 | 2023-04-13 | JSPR | Lis William | Dir | S - Sale | $1.44 | -8,500 | 61.5K | -12% | -$12.2K | |
| 2023-04-11 | 2023-01-27 | JSPR | Qiming U.S. Healthcare GP II, LLC | 10% | P - Purchase | $1.50 | +2.67M | 8.52M | +46% | +$4.00M | |
| I | 2023-01-31 | 2023-01-27 | JSPR | TC Group, LLC | 10% | P - Purchase | $1.50 | +3.13M | 8.76M | +56% | +$4.70M |
| I | 2023-01-26 | 2023-01-25 | JSPR | ROCHE FINANCE LTD | 10% | S - Sale | $1.89 | -75.0K | 4.55M | -2% | -$141.8K |
| 2022-10-13 | 2022-10-12 | JSPR | Nolet Chris | Dir | A - Grant | $0.00 | +32.5K | 32.5K | New | $0 | |
| 2022-10-13 | 2022-10-12 | JSPR | French Anna Louise | Dir | A - Grant | $0.00 | +30.8K | 30.8K | New | $0 | |
| 2022-10-13 | 2022-10-12 | JSPR | MARTELL RON | Pres, CEO, Dir | A - Grant | $0.00 | +506.2K | 506.2K | New | $0 | |
| 2022-10-13 | 2022-10-12 | JSPR | Klein Lawrence Otto | Dir | A - Grant | $0.00 | +24.5K | 24.5K | New | $0 | |
| 2022-10-13 | 2022-10-12 | JSPR | Lis William | Dir | A - Grant | $0.00 | +29.5K | 70.0K | +73% | $0 | |
| 2022-10-13 | 2022-10-12 | JSPR | Mahal Jeetinder Singh | See Remarks | A - Grant | $0.00 | +214.7K | 324.3K | +196% | $0 | |
| 2022-10-13 | 2022-10-12 | JSPR | EMSTER KURT VON | Dir | A - Grant | $0.00 | +30.2K | 30.2K | New | $0 | |
| 2022-10-13 | 2022-10-12 | JSPR | Shizuru Judith Anne | Dir | A - Grant | $0.00 | +29.5K | 1.16M | +3% | $0 | |
| M | 2022-06-28 | 2022-06-24+ | JSPR | Lis William | Dir | S - Sale | $2.05 | -49.5K | 65.2K | -43% | -$101.4K |
| D | 2022-03-23 | 2022-03-21 | JSPR | Lis William | See Remarks, Dir | A - Grant | $0.00 | +90.0K | 90.0K | New | $0 |
| DI | 2021-09-28 | 2021-09-24 | JSPR | VENKATARAMAN BALAJI | FORMER Dir AND Off | M - OptEx | — | +2.30M | 2.30M | New | — |
| D | 2021-09-28 | 2021-09-24 | JSPR | Amplitude Healthcare Holdings LLC | 10% | M - OptEx | — | +2.30M | 2.30M | New | — |
| DI | 2021-09-28 | 2021-09-24 | JSPR | Clifford Kenneth F | FORMER Off | M - OptEx | — | +2.30M | 2.30M | New | — |
| DI | 2021-09-28 | 2021-09-24 | JSPR | HOFFEN HOWARD I | FORMER Dir | M - OptEx | — | +2.30M | 2.30M | New | — |
Purchase Sale Sale after option exercise All abbreviations