v3.26.3
Cover
Oct. 07, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Oct. 07, 2026
Entity File Number 001-39138
Entity Registrant Name JASPER THERAPEUTICS, INC.
Entity Central Index Key 0001788028
Entity Tax Identification Number 84-2984849
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 2200 Bridge Pkwy Suite #102
Entity Address, City or Town Redwood City
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94065
City Area Code 650
Local Phone Number 549-1400
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Voting Common Stock, par value $0.0001 per share
Trading Symbol JSPR
Security Exchange Name NASDAQ
Entity Emerging Growth Company false