Jasper Therapeutics, Inc. (JSPRW)

Latest Insider Confidence Score

2025Q4

50.0
Bearish

Company insider confidence (by quarter)

2019Q4 2025Q4

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
McDade Mark 10% Owner 8,519,648 Apr 11, 2023
Qiming U.S. Healthcare Fund II, L.P. 10% Owner 8,519,648 Apr 11, 2023
Qiming U.S. Healthcare GP II, LLC 10% Owner 8,519,648 Apr 11, 2023
Rieschel Gary E 10% Owner 8,519,648 Apr 11, 2023
Clifford Kenneth F 4,600,000 Sep 28, 2021

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Jul 3, 2025 Jul 3, 2025 Brun Scott C. Director Neutral 52.5 - 0.00% -
Jul 3, 2025 Jul 3, 2025 EMSTER KURT VON Director Neutral 52.5 - 0.00% -
Jul 3, 2025 Jul 3, 2025 Shizuru Judith Anne Director Neutral 52.5 - 0.00% -
Jul 3, 2025 Jul 3, 2025 Nolet Chris Director Neutral 52.5 - 0.00% -
Jul 3, 2025 Jul 3, 2025 Kapoor Vishal Director Neutral 52.5 - 0.00% -
Jul 3, 2025 Jul 3, 2025 WIGGANS THOMAS G Director Neutral 52.5 - 0.00% -
Jul 3, 2025 Jul 3, 2025 Lucas Svetlana Director Neutral 52.5 - 0.00% -
Jun 4, 2025 Jun 6, 2025 MARTELL RON CEO Neutral 52.5 - 0.00% -
Jun 4, 2025 Jun 6, 2025 Mahal Jeetinder Singh COO Neutral 52.5 - 0.00% -
Jun 4, 2025 Jun 6, 2025 CROSS HERB CFO Neutral 52.5 - 0.00% -
Jun 4, 2025 Jun 6, 2025 Tucker Edwin Jonathan Chief Medical Officer Neutral 52.5 - 0.00% -
Feb 13, 2025 Feb 18, 2025 Mahal Jeetinder Singh COO Neutral 52.5 - 0.00% -
Feb 13, 2025 Feb 18, 2025 MARTELL RON CEO Neutral 52.5 - 0.00% -
Feb 13, 2025 Feb 18, 2025 CROSS HERB CFO Neutral 52.5 - 0.00% -
Feb 13, 2025 Feb 18, 2025 Tucker Edwin Jonathan Chief Medical Officer Neutral 52.5 - 0.00% -
Dec 12, 2024 Dec 12, 2024 Mahal Jeetinder Singh COO Sell 41.3 -900 -3.47% $19.9K
Sep 12, 2024 Sep 12, 2024 Mahal Jeetinder Singh COO Sell 41.3 -900 -3.47% $19.1K
Jun 18, 2024 Jun 20, 2024 Lucas Svetlana Director Neutral 52.5 - 0.00% -
Jun 20, 2024 Lucas Svetlana Director Neutral 52.5 - 0.00% -
Jun 12, 2024 Jun 12, 2024 Mahal Jeetinder Singh COO Sell 41.3 -900 -3.47% $21.7K
Jun 10, 2024 Jun 12, 2024 MARTELL RON CEO Neutral 52.5 - 0.00% -
Jun 7, 2024 Jun 10, 2024 Tucker Edwin Jonathan Chief Medical Officer Neutral 90.0 +400 100.00% -
Jun 6, 2024 Jun 10, 2024 French Anna Louise Director Neutral 52.5 - 0.00% -
Jun 6, 2024 Jun 10, 2024 Nolet Chris Director Neutral 52.5 - 0.00% -
Jun 6, 2024 Jun 10, 2024 Shizuru Judith Anne Director Neutral 52.5 - 0.00% -
Jun 6, 2024 Jun 10, 2024 Kapoor Vishal Director Neutral 52.5 - 0.00% -
Jun 6, 2024 Jun 10, 2024 WIGGANS THOMAS G Director Neutral 52.5 - 0.00% -
Jun 6, 2024 Jun 10, 2024 Brun Scott C. Director Neutral 52.5 - 0.00% -
Jun 6, 2024 Jun 10, 2024 EMSTER KURT VON Director Neutral 52.5 - 0.00% -
Mar 12, 2024 Mar 12, 2024 Mahal Jeetinder Singh COO Sell 41.3 -900 -3.47% $23.8K
Feb 15, 2024 Feb 20, 2024 MARTELL RON CEO Neutral 52.5 - 0.00% -
Feb 15, 2024 Feb 20, 2024 Mahal Jeetinder Singh COO Neutral 52.5 - 0.00% -
Feb 15, 2024 Feb 20, 2024 CROSS HERB CFO Neutral 52.5 - 0.00% -
Feb 15, 2024 Feb 20, 2024 Tucker Edwin Jonathan Chief Medical Officer Neutral 52.5 - 0.00% -
Feb 8, 2024 Feb 9, 2024 Velan Capital Investment Management LP 10% Owner Buy 100.0 +350,000 32.29% $4.5M
Nov 28, 2023 Nov 30, 2023 WIGGANS THOMAS G Director Buy 90.0 +10,000 25.00% $6.5K
Nov 21, 2023 Nov 22, 2023 WIGGANS THOMAS G Director Buy 90.0 +10,000 33.33% $6.4K
Nov 16, 2023 Nov 20, 2023 WIGGANS THOMAS G Director Buy 91.3 +30,000 100.00% $18.2K
Nov 1, 2023 Nov 2, 2023 WIGGANS THOMAS G Director Neutral 52.5 - 0.00% -
Nov 2, 2023 WIGGANS THOMAS G Director Neutral 52.5 - 0.00% -
Oct 12, 2023 Oct 13, 2023 Mahal Jeetinder Singh COO Sell 46.3 -37,126 -12.93% $31.6K
Oct 12, 2023 Oct 13, 2023 MARTELL RON CEO Sell 42.5 -87,531 -20.90% $74.4K
Oct 13, 2023 Oct 13, 2023 Lis William Director Sell 30.0 -7,965 -12.95% $6.8K
Sep 22, 2023 Sep 26, 2023 CROSS HERB CFO Neutral 52.5 - 0.00% -
Sep 26, 2023 CROSS HERB CFO Neutral 52.5 - 0.00% -
Jun 20, 2023 Jun 20, 2023 Brun Scott C. Director Neutral 52.5 - 0.00% -
Jun 20, 2023 Brun Scott C. Director Neutral 52.5 - 0.00% -
Jun 13, 2023 Jun 13, 2023 Mahal Jeetinder Singh Officer Sell 41.3 -9,000 -3.04% $14.9K
Jun 12, 2023 Jun 13, 2023 Tucker Edwin Jonathan Chief Medical Officer Neutral 52.5 - 0.00% -
Jun 13, 2023 Tucker Edwin Jonathan Chief Medical Officer Neutral 52.5 - 0.00% -
Jun 7, 2023 Jun 8, 2023 Kapoor Vishal Director Neutral 52.5 - 0.00% -
Jun 7, 2023 Jun 8, 2023 Klein Lawrence Otto Director Neutral 52.5 - 0.00% -
Jun 7, 2023 Jun 8, 2023 EMSTER KURT VON Director Neutral 52.5 - 0.00% -
Jun 7, 2023 Jun 8, 2023 Shizuru Judith Anne Director Neutral 52.5 - 0.00% -
Jun 7, 2023 Jun 8, 2023 Nolet Chris Director Neutral 52.5 - 0.00% -
Jun 7, 2023 Jun 8, 2023 Lis William Director Neutral 52.5 - 0.00% -
Jun 7, 2023 Jun 8, 2023 French Anna Louise Director Neutral 52.5 - 0.00% -
Apr 14, 2023 Apr 14, 2023 French Anna Louise Director Sell 26.3 -7,000 -22.76% $10.4K
Apr 13, 2023 Apr 14, 2023 EMSTER KURT VON Director Sell 26.3 -9,075 -30.00% $13.5K
Apr 12, 2023 Apr 14, 2023 MARTELL RON CEO Sell 42.5 -87,531 -17.29% $127.8K
Apr 12, 2023 Apr 14, 2023 Mahal Jeetinder Singh Officer Sell 42.5 -37,126 -11.45% $54.2K
Apr 13, 2023 Apr 14, 2023 Lis William Director Sell 26.3 -8,500 -12.15% $12.2K
Jan 27, 2023 Apr 11, 2023 Qiming U.S. Healthcare Fund II, L.P. 10% Owner Buy 100.0 +2,666,666 45.56% $4M
Mar 17, 2023 Mar 20, 2023 Mahal Jeetinder Singh Officer Neutral 52.5 - 0.00% -
Mar 17, 2023 Mar 20, 2023 MARTELL RON CEO Neutral 52.5 - 0.00% -
Feb 27, 2023 Kapoor Vishal Director Neutral 52.5 - 0.00% -
Feb 16, 2023 Feb 17, 2023 Kapoor Vishal Director Neutral 52.5 - 0.00% -
Feb 17, 2023 Kapoor Vishal Director Neutral 52.5 - 0.00% -
Feb 3, 2023 Velan Capital Investment Management LP 10% Owner Neutral 52.5 - 0.00% -
Feb 2, 2023 Feb 3, 2023 MARTELL RON CEO Neutral 52.5 - 0.00% -
Jan 25, 2023 Jan 26, 2023 ROCHE HOLDING LTD 10% Owner Sell 22.5 -75,000 -1.62% $141.8K
Oct 12, 2022 Oct 13, 2022 MARTELL RON CEO Neutral 90.0 +506,250 100.00% -
Oct 12, 2022 Oct 13, 2022 Klein Lawrence Otto Director Neutral 90.0 +24,500 100.00% -
Oct 12, 2022 Oct 13, 2022 EMSTER KURT VON Director Neutral 90.0 +30,250 100.00% -
Oct 12, 2022 Oct 13, 2022 Shizuru Judith Anne Director Neutral 82.5 +29,500 2.61% -
Oct 12, 2022 Oct 13, 2022 Mahal Jeetinder Singh Officer Neutral 90.0 +214,722 195.87% -
Oct 12, 2022 Oct 13, 2022 Nolet Chris Director Neutral 90.0 +32,500 100.00% -
Oct 12, 2022 Oct 13, 2022 Lis William Director Neutral 90.0 +29,500 72.86% -
Oct 12, 2022 Oct 13, 2022 French Anna Louise Director Neutral 90.0 +30,750 100.00% -
Jun 24, 2022 Jun 28, 2022 Lis William Director Sell 10.0 -49,486 -55.00% $101.4K
Apr 7, 2022 Apr 8, 2022 Mahal Jeetinder Singh Officer Neutral 52.5 - 0.00% -
Mar 21, 2022 Mar 23, 2022 MARTELL RON CEO Neutral 52.5 - 0.00% -
Mar 21, 2022 Mar 23, 2022 Klein Lawrence Otto Director Neutral 52.5 - 0.00% -
Mar 21, 2022 Mar 23, 2022 EMSTER KURT VON Director Neutral 52.5 - 0.00% -
Mar 21, 2022 Mar 23, 2022 Heller Kevin N. Officer Neutral 52.5 - 0.00% -
Mar 21, 2022 Mar 23, 2022 Shizuru Judith Anne Director Neutral 52.5 - 0.00% -
Mar 21, 2022 Mar 23, 2022 Mahal Jeetinder Singh CFO Neutral 52.5 - 0.00% -
Mar 21, 2022 Mar 23, 2022 Nolet Chris Director Neutral 52.5 - 0.00% -
Mar 21, 2022 Mar 23, 2022 Lis William Officer Neutral 90.0 +89,972 100.00% -
Mar 21, 2022 Mar 23, 2022 French Anna Louise Director Neutral 52.5 - 0.00% -
Mar 21, 2022 Mar 23, 2022 Abingworth LLP 10% Owner Neutral 52.5 - 0.00% -
Mar 21, 2022 MARTELL RON CEO Neutral 52.5 - 0.00% -
Oct 4, 2021 ROCHE HOLDING LTD 10% Owner Neutral 52.5 - 0.00% -
Oct 1, 2021 Abingworth LLP 10% Owner Neutral 52.5 - 0.00% -
Oct 1, 2021 EMSTER KURT VON Director Neutral 52.5 - 0.00% -
Oct 1, 2021 Klein Lawrence Otto Director Neutral 52.5 - 0.00% -
Oct 1, 2021 Heller Kevin N. EVP, Research and Development Neutral 52.5 - 0.00% -
Oct 1, 2021 Shizuru Judith Anne Director Neutral 52.5 - 0.00% -
Oct 1, 2021 Mahal Jeetinder Singh Officer Neutral 52.5 - 0.00% -
Oct 1, 2021 Nolet Chris Director Neutral 52.5 - 0.00% -