Ron Martell, President and CEO of Jasper Therapeutics, Inc. ($JSPR), made two open market purchases of common shares totaling nearly $100,000 in the last 365 days, with the most recent on September 22, 2025. These buys rank 2340th among nearly 5,000 insiders in our database by purchase value, below the average of $1.5 million across 3.3 transactions. Martell had no open market sales during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 2, 2026 | Jasper Therapeutics, Inc. | $JSPR | MARTELL RON | President, CEO and Director | A | Stock Option (right to buy) | 234000 | $0.00 | 234,000.0000 | 16,635,784 | 9999.99% | 1.41% |
| Sept. 22, 2025 | Jasper Therapeutics, Inc. | $JSPR | MARTELL RON | President and CEO | P | Voting Common Stock | 41000 | $2.43 | 74,118.0000 | 15,333,962 | 123.80% | 0.27% |
| Sept. 22, 2025 | Jasper Therapeutics, Inc. | $JSPR | MARTELL RON | President and CEO | P | Common Stock Warrant (right to buy) | 41000 | $0.00 | 41,000.0000 | 15,333,962 | 9999.99% | 0.27% |
| June 4, 2025 | Jasper Therapeutics, Inc. | $JSPR | MARTELL RON | President and CEO | A | Stock Option (right to buy) | 234000 | $0.00 | 234,000.0000 | 15,022,122 | 9999.99% | 1.56% |
| Feb. 13, 2025 | Jasper Therapeutics, Inc. | $JSPR | MARTELL RON | President, CEO and Director | A | Stock Option (right to buy) | 130000 | $0.00 | 130,000.0000 | 14,584,870 | 9999.99% | 0.89% |
| June 10, 2024 | Jasper Therapeutics, Inc. | $JSPR | MARTELL RON | President, CEO and Director | A | Performance Restricted Stock Units | 20000 | $0.00 | 20,000.0000 | 13,334,900 | 9999.99% | 0.15% |
| June 10, 2024 | Jasper Therapeutics, Inc. | $JSPR | MARTELL RON | President, CEO and Director | A | Stock Option (right to buy) | 10000 | $0.00 | 10,000.0000 | 13,334,900 | 9999.99% | 0.07% |
| Feb. 15, 2024 | Jasper Therapeutics, Inc. | $JSPR | MARTELL RON | President, CEO and Director | A | Stock Option (right to buy) | 100000 | $0.00 | 100,000.0000 | 10,439,034 | 9999.99% | 0.96% |