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            <startDate>2026-07-16</startDate>
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    <dei:EntityRegistrantName contextRef="AsOf2026-07-16" id="Fact000011">JASPER THERAPEUTICS, INC.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode contextRef="AsOf2026-07-16" id="Fact000012">DE</dei:EntityIncorporationStateCountryCode>
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    <dei:AmendmentDescription contextRef="AsOf2026-07-16" id="Fact000029">On July 16, 2026, Jasper Therapeutics, Inc.
(the &#x201c;Company&#x201d; or &#x201c;Jasper&#x201d;) filed a Current Report on Form 8-K (the &#x201c;Original Form 8-K&#x201d;)
reporting that, on the same date, the Company completed its acquisition (the &#x201c;Merger&#x201d;) of Kira Pharmaceuticals
(&#x201c;Kira&#x201d;), a Cayman Islands exempted company, pursuant to the terms of the Agreement and Plan of Merger, dated July 16,
2026 (the &#x201c;Merger Agreement&#x201d;), by and among the Company, Kira Holdco Inc., a Delaware corporation and a wholly owned
subsidiary of the Company (&#x201c;Merger Sub&#x201d;), and Kira. Pursuant to the Merger Agreement, Kira merged with and into Merger
Sub, with Merger Sub continuing as the surviving corporation and a wholly owned subsidiary of the Company.

This Current Report on
Form 8-K/A amends Item 9.01 of the Original Form 8-K to include the financial statements and unaudited pro forma financial
information required by Items 9.01(a) and (b) of Form 8-K, which were not included in the Original Form 8-K pursuant to Items
9.01(a)(3) and (b)(2) of Form 8-K.</dei:AmendmentDescription>
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