Jasper Therapeutics, Inc.

JSPR
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001788028

Other share classesJSPRW

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.

Insider trades
Filed (ET)Trade dateInsiderTransactionSharesAvg priceValueShares afterHolding changeFiling
Jul 22, 20267:10 PM ETJul 20, 2026Ros Matthew EChief Operating OfficerPPurchaseVoting Common Stock · Derivative+53.74K––881–SEC
Jul 20, 20268:38 PM ETJul 20, 2026Crutcher Patrick JDirectorPPurchaseVoting Common Stock · Derivative+888––888–SEC
Sep 24, 2025Sep 22, 2025WIGGANS THOMAS GDirectorPPurchaseVoting Common Stock+41K$2.43+$99.63K41KNew positionSEC
Sep 24, 2025Sep 22, 2025WIGGANS THOMAS GDirectorPPurchaseVoting Common Stock · Derivative+41K––41K–SEC
Sep 24, 2025Sep 22, 2025Lucas SvetlanaDirectorPPurchaseVoting Common Stock+20K$2.43+$48.6K20KNew positionSEC
Sep 24, 2025Sep 22, 2025Lucas SvetlanaDirectorPPurchaseVoting Common Stock · Derivative+20K––20K–SEC
Sep 24, 2025Sep 22, 2025MARTELL RONPresident and CEOPPurchaseVoting Common Stock+41K$2.43+$99.63K74.12K+123.8%SEC
Sep 24, 2025Sep 22, 2025MARTELL RONPresident and CEOPPurchaseVoting Common Stock · Derivative+41K––41K–SEC
Sep 24, 2025Sep 22, 2025Shizuru Judith AnneDirectorPPurchaseVoting Common Stock+41K$2.43+$99.63K156.9K+35.4%SEC
Sep 24, 2025Sep 22, 2025Shizuru Judith AnneDirectorPPurchaseVoting Common Stock · Derivative+41K––41K–SEC
Dec 12, 2024Dec 12, 2024Mahal Jeetinder SinghChief Operating OfficerSSaleVoting Common Stock−900$22.11−$19.9K25.01K−3.5%SEC10b5-1
Sep 12, 2024Sep 12, 2024Mahal Jeetinder SinghChief Operating OfficerSSaleVoting Common Stock−900$21.23−$19.11K25.01K−3.5%SEC10b5-1
Jun 12, 2024Jun 12, 2024Mahal Jeetinder SinghChief Operating OfficerSSaleVoting Common Stock−900$24.16−$21.74K25.01K−3.5%SEC10b5-1
Mar 12, 2024Mar 12, 2024Mahal Jeetinder SinghChief Operating OfficerSSaleVoting Common Stock−900$26.44−$23.8K25.01K−3.5%SEC
Feb 12, 20246:23 PM ETFeb 8, 2024TC Group, LLC and 9 others10% OwnerPPurchaseVoting Common Stock+190K$12.95+$2.46M1.07M+21.7%SEC
Feb 9, 20248:40 PM ETFeb 8, 2024VENKATARAMAN BALAJI and 8 others10% OwnerPPurchaseCommon Stock, par value $0.0001 per share+350K$12.95+$4.53M1.19M+41.7%SEC
Nov 30, 2023Nov 28, 2023WIGGANS THOMAS GDirectorPPurchaseVoting Common Stock+10K$0.65+$6.5K50K+25.0%SEC
Nov 22, 2023Nov 21, 2023WIGGANS THOMAS GDirectorPPurchaseVoting Common Stock+10K$0.64+$6.4K40K+33.3%SEC
Nov 20, 2023Nov 16 – Nov 20, 2023WIGGANS THOMAS GDirectorPPurchaseVoting Common Stock+30K$0.61+$18.3K30KNew positionSEC
Oct 13, 2023Oct 13, 2023Lis WilliamDirectorSSaleVoting Common Stock−7.97K$0.85−$6.77K53.52K−13.0%SEC10b5-1
Jun 13, 2023Jun 13, 2023Mahal Jeetinder SinghSee RemarksSSaleVoting Common Stock−9K$1.66−$14.94K287.22K−3.0%SEC10b5-1
Apr 14, 2023Apr 14, 2023French Anna LouiseDirectorSSaleVoting Common Stock−7K$1.48−$10.36K23.75K−22.8%SEC
Apr 14, 2023Apr 13, 2023EMSTER KURT VONDirectorSSaleVoting Common Stock−9.08K$1.49−$13.52K21.18K−30.0%SEC
Apr 14, 2023Apr 13, 2023Lis WilliamDirectorSSaleVoting Common Stock−8.5K$1.44−$12.24K61.49K−12.1%SEC
Apr 11, 20237:55 PM ETJan 27, 2023MCDADE MARK and 3 others10% OwnerPPurchaseVoting Common Stock+2.67M$1.50+$4M8.52M+45.6%SEC
Jan 31, 20235:24 PM ETJan 27, 2023TC Group, LLC and 8 others10% OwnerPPurchaseVoting Common Stock+3.13M$1.50+$4.7M8.76M+55.7%SEC
Jan 26, 20235:49 PM ETJan 25, 2023ROCHE HOLDING LTD and 1 other10% OwnerSSaleVoting Common Stock−75K$1.89−$141.75K4.55M−1.6%SEC
Jun 28, 2022Jun 24 – Jun 27, 2022Lis WilliamDirectorSSaleVoting Common Stock−49.49K$2.05−$101.45K40.49K−55.0%SEC