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JASPER THERAPEUTICS INC (JSPR) Stock Ownership and Short Interest

USA - Nasdaq - NASDAQ:JSPR - US4718712023 - Common Stock

1.54 USD
+0.01 (+0.65%)
Last: 1/20/2026, 8:00:02 PM
1.5317 USD
-0.01 (-0.54%)
After Hours: 1/20/2026, 8:00:02 PM
JSPR Ownership Chart.JSPR Ownership Chart: showing Insider, Institutional ownership and shares available to the public.JSPR Ownership.InsiderInstitutionalPublic



Shares Outstanding27.98M
Float27.69M
Float Short Interest Percentage11.64%
Owners (insider)1.05%
Owners (institutional)73.63%
Owners (insider) change0.64%
Owners (institutional) change-0.02%
JSPR Institutional Ownership HistoryJSPR Institutional Ownership HistoryJSPR Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 20M 40M 60M 80M
JSPR Historical Insider Transactions ChartJSPR Historical Insider Buy and Sell Transactions ChartJSPR Historical Insider Transactions Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026 50K 100K
Date Name Type Shares Price Amount
Sep 22, 2025 WIGGANS THOMAS G Open Market Purchase 41000 2.43 $ 99,630.00
Sep 22, 2025 Lucas Svetlana Open Market Purchase 20000 2.43 $ 48,600.00
Sep 22, 2025 MARTELL RON Open Market Purchase 41000 2.43 $ 99,630.00
Sep 22, 2025 Shizuru Judith Anne Open Market Purchase 41000 2.43 $ 99,630.00