Jasper Therapeutics, Inc. (JSPR)
Jasper Therapeutics, Inc. (JSPR) Insider Trading
Directors, officers and holders of more than 10% of JSPR report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 41 most recent of 41 transactions on file: 10 with code P, 2 with code S and 29 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 31, 2026 | EMSTER KURT VON | Director | A Award | 7,500 | Not measured | Not measured |
| Jul 31, 2026 | Crutcher Patrick J | Director | A Award | 7,500 | Not measured | Not measured |
| Jul 31, 2026 | Lucas Svetlana | Director | A Award | 7,500 | Not measured | Not measured |
| Jul 31, 2026 | Shizuru Judith Anne | Director | A Award | 7,500 | Not measured | Not measured |
| Jul 31, 2026 | WIGGANS THOMAS G | Director | A Award | 7,500 | Not measured | Not measured |
| Jul 20, 2026 | Ros Matthew E | Chief Operating Officer | P Purchase | 881 | Not measured | Not measured |
| Jul 20, 2026 | Crutcher Patrick J | Director | P Purchase | 888 | Not measured | Not measured |
| Jul 16, 2026 | Crutcher Patrick J | Director | A Award | 15,000 | Not measured | Not measured |
| Feb 6, 2026 | Mahal Jeetinder Singh | CEO and President | A Award | 500,000 | Not measured | Not measured |
| Jan 2, 2026 | Mahal Jeetinder Singh | CEO and President | A Award | 90,000 | Not measured | Not measured |
| Jan 2, 2026 | CROSS HERB | Chief Financial Officer | A Award | 90,000 | Not measured | Not measured |
| Jan 2, 2026 | MARTELL RON | President, CEO and Director | A Award | 234,000 | Not measured | Not measured |
| Sep 22, 2025 | MARTELL RON | President, CEO and Director | P Purchase | 41,000 | $2.43 | $99,630 |
| Sep 22, 2025 | Shizuru Judith Anne | Director | P Purchase | 41,000 | $2.43 | $99,630 |
| Sep 22, 2025 | Lucas Svetlana | Director | P Purchase | 20,000 | $2.43 | $48,600 |
| Sep 22, 2025 | WIGGANS THOMAS G | Director | P Purchase | 41,000 | $2.43 | $99,630 |
| Sep 22, 2025 | MARTELL RON | President, CEO and Director | P Purchase | 41,000 | Not measured | Not measured |
| Sep 22, 2025 | Shizuru Judith Anne | Director | P Purchase | 41,000 | Not measured | Not measured |
| Sep 22, 2025 | Lucas Svetlana | Director | P Purchase | 20,000 | Not measured | Not measured |
| Sep 22, 2025 | WIGGANS THOMAS G | Director | P Purchase | 41,000 | Not measured | Not measured |
| Jul 3, 2025 | Lucas Svetlana | Director | A Award | 7,500 | Not measured | Not measured |
| Jul 3, 2025 | WIGGANS THOMAS G | Director | A Award | 7,500 | Not measured | Not measured |
| Jul 3, 2025 | Kapoor Vishal | Director | A Award | 7,500 | Not measured | Not measured |
| Jul 3, 2025 | EMSTER KURT VON | Director | A Award | 7,500 | Not measured | Not measured |
| Jul 3, 2025 | Shizuru Judith Anne | Director | A Award | 7,500 | Not measured | Not measured |
| Jul 3, 2025 | Nolet Chris | Director | A Award | 7,500 | Not measured | Not measured |
| Jul 3, 2025 | Brun Scott C. | Director | A Award | 7,500 | Not measured | Not measured |
| Jun 4, 2025 | CROSS HERB | Chief Financial Officer | A Award | 90,000 | Not measured | Not measured |
| Jun 4, 2025 | Tucker Edwin Jonathan | Chief Medical Officer | A Award | 90,000 | Not measured | Not measured |
| Jun 4, 2025 | MARTELL RON | President, CEO and Director | A Award | 234,000 | Not measured | Not measured |
| Jun 4, 2025 | Mahal Jeetinder Singh | CEO and President | A Award | 90,000 | Not measured | Not measured |
| Feb 13, 2025 | CROSS HERB | Chief Financial Officer | A Award | 50,000 | Not measured | Not measured |
| Feb 13, 2025 | Tucker Edwin Jonathan | Chief Medical Officer | A Award | 50,000 | Not measured | Not measured |
| Feb 13, 2025 | MARTELL RON | President, CEO and Director | A Award | 130,000 | Not measured | Not measured |
| Feb 13, 2025 | Mahal Jeetinder Singh | CEO and President | A Award | 50,000 | Not measured | Not measured |
| Dec 12, 2024 | Mahal Jeetinder Singh | CEO and President | S Sale | 900 | $22.11 | $19,899 |
| Dec 12, 2024 | Mahal Jeetinder Singh | CEO and President | M Exercise | 900 | $7.10 | $6,390 |
| Dec 12, 2024 | Mahal Jeetinder Singh | CEO and President | M Exercise | 900 | Not measured | Not measured |
| Sep 12, 2024 | Mahal Jeetinder Singh | CEO and President | S Sale | 900 | $21.23 | $19,104 |
| Sep 12, 2024 | Mahal Jeetinder Singh | CEO and President | M Exercise | 900 | $7.10 | $6,390 |
| Sep 12, 2024 | Mahal Jeetinder Singh | CEO and President | M Exercise | 900 | Not measured | Not measured |
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.