JSPR

Jasper Therapeutics, Inc.

Biological Products, (No Diagnostic Substances)NasdaqNon-accelerated filer<br>Smaller reporting company

Total Trades

21

Buys

11

Sells

8

Largest Trade

$1M+

Insiders

12

Institutional Funds

36

Inst. Value

$1M+

Activist Filings

40

Insider Trades

InsiderTitleTypeValueSharesPriceDate
WIGGANS THOMAS GDirectorBUY$50K–$100K41K$2.43Sep 24, 2025
Lucas SvetlanaDirectorBUY$15K–$50K20K$2.43Sep 24, 2025
MARTELL RONPresident and CEOBUY$50K–$100K41K$2.43Sep 24, 2025
Shizuru Judith AnneDirectorBUY$50K–$100K41K$2.43Sep 24, 2025
Mahal Jeetinder SinghCOOEXERCISE$1K–$15K900$7.10Jun 13, 2024
Mahal Jeetinder SinghCOOSELL$15K–$50K900$24.16Jun 13, 2024
Carlyle Group Inc.InsiderBUY$1M+190K$12.95Feb 12, 2024
Velan Capital Investment Management LP10% OwnerBUY$1M+350K$12.95Feb 10, 2024
WIGGANS THOMAS GDirectorBUY$1K–$15K10K$0.65Nov 30, 2023
WIGGANS THOMAS GDirectorBUY$1K–$15K10K$0.64Nov 22, 2023
WIGGANS THOMAS GDirectorBUY$15K–$50K30K$0.61Nov 21, 2023
Lis WilliamDirectorSELL$1K–$15K8K$0.85Oct 13, 2023
Mahal Jeetinder SinghSee RemarksSELL$1K–$15K9K$1.66Jun 14, 2023
Mahal Jeetinder SinghSee RemarksEXERCISE$1K–$15K9K$0.71Jun 14, 2023
French Anna LouiseDirectorSELL$1K–$15K7K$1.48Apr 14, 2023
EMSTER KURT VONDirectorSELL$1K–$15K9K$1.49Apr 14, 2023
Lis WilliamDirectorSELL$1K–$15K9K$1.44Apr 14, 2023
Qiming U.S. Healthcare Fund II, L.P.10% OwnerBUY$1M+2.7M$1.50Apr 11, 2023
Carlyle Group Inc.10% OwnerBUY$1M+3.1M$1.50Jan 31, 2023
ROCHE HOLDING LTD10% OwnerSELL$100K–$500K75K$1.89Jan 26, 2023
Lis WilliamDirectorSELL$100K–$500K49K$2.05Jun 28, 2022
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Institutional Ownership

13F filings as of Dec 31, 2025 · 36 funds holding

FundShares
Velan Capital Investment Management LP2.4M
GOLDMAN SACHS GROUP INC1.7M
Carlyle Group Inc.1.1M
SPHERA FUNDS MANAGEMENT LTD.485K
Lion Point Capital, LP465K
Squarepoint Ops LLC282K
RENAISSANCE TECHNOLOGIES LLC227K
Soleus Capital Management, L.P.200K
Knott David M Jr181K
GEODE CAPITAL MANAGEMENT, LLC179K
VANGUARD GROUP INC150K
ADAR1 Capital Management, LLC140K
ADAR1 Capital Management, LLC140K
UBS Group AG121K
Quarry LP100K
GSA CAPITAL PARTNERS LLP75K
JACOBS LEVY EQUITY MANAGEMENT, INC55K
IEQ CAPITAL, LLC50K
STATE STREET CORP45K
Jain Global LLC43K

Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

5.8%

1.6M shares

The Carlyle Group Inc.

SC 13D/A · Feb 18, 2026

3.8%

1.1M shares

THE GOLDMAN SACHS GROUP, INC.

SC 13G · Feb 12, 2026

6.3%

1.8M shares

Morgan Stanley

SC 13G · Feb 11, 2026

7.0%

2.0M shares

ACORN BIOVENTURES, L.P.

SC 13G/A · Jan 26, 2026

2.2%

624K shares

ACORN BIOVENTURES, L.P.

SC 13G · Dec 2, 2025

2.7%

750K shares

3.3%

929K shares

7.1%

2.1M shares

Kingdon Capital Management, L.L.C.

SC 13G/A · Nov 12, 2025

4.7%

1.3M shares

Morgan Stanley

SC 13G/A · Nov 7, 2025

2.8%

785K shares

Velan Capital Master Fund LP

SC 13D/A · Sep 23, 2025

8.5%

2.4M shares

Morgan Stanley

SC 13G · Aug 6, 2025

5.0%

758K shares

BlackRock, Inc.

SC 13G/A · Jul 18, 2025

1.5%

226K shares

5.1%

765K shares

Soleus Private Equity Fund III, L.P.

SC 13G/A · Feb 11, 2025

1.3%

200K shares

Avidity Partners Management LP

SC 13G/A · Nov 14, 2024

0.0%

0 shares

Soleus Private Equity Fund III, L.P.

SC 13G/A · Nov 14, 2024

1.3%

200K shares

BlackRock, Inc.

SC 13G · Nov 8, 2024

5.3%

800K shares

Sphera Funds Management Ltd.

SC 13G/A · Nov 4, 2024

1.3%

189K shares

BlackRock, Inc.

SC 13G · Oct 22, 2024

5.3%

800K shares

Avidity Partners Management LP

SC 13G · Mar 27, 2024

5.1%

760K shares

Citadel Advisors LLC

SC 13G/A · Feb 14, 2024

0.0%

6 shares

Qiming U.S. Healthcare Fund II, L.P.

SC 13G/A · Feb 14, 2024

6.2%

929K shares

Biotechnology Value Fund, L.P.

SC 13G/A · Feb 14, 2024

0.0%

0 shares

The Carlyle Group Inc. 2

SC 13D/A · Feb 12, 2024

7.1%

106.6M shares

Velan Capital Master Fund LP

SC 13D/A · Feb 10, 2024

7.9%

1.2M shares

Soleus Capital Master Fund, L.P.

SC 13G/A · Feb 2, 2024

8.8%

987K shares

Sphera Funds Management Ltd.

SC 13G · Oct 10, 2023

5.1%

5.7M shares

Velan Capital Master Fund LP

SC 13D · Feb 27, 2023

7.7%

8.4M shares

Citadel Advisors LLC

SC 13G/A · Feb 14, 2023

9.8%

6 shares

Roche Finance Ltd

SC 13G/A · Feb 13, 2023

4.2%

4.6M shares

AMGEN INC.

SC 13G/A · Feb 10, 2023

0.0%

1.0M shares

The Carlyle Group Inc.

SC 13D/A · Jan 31, 2023

8.0%

8.8M shares

Soleus Capital Master Fund, L.P.

SC 13G · Jan 30, 2023

5.7%

6.3M shares

Velan Capital Partners LP

SC 13G/A · Jan 27, 2023

7.7%

8.4M shares

The Carlyle Group Inc.

SC 13D/A · Aug 11, 2022

15.4%

5.6M shares

Amplitude Healthcare Holdings LLC

SC 13G/A · Apr 28, 2022

2.9%

1.1M shares

UBS O’Connor LLC

SC 13G/A · Feb 14, 2022

0.0%

0 shares

Citadel Advisors LLC

SC 13G/A · Feb 14, 2022

9.7%

6 shares

Beryl Capital Management LLC

SC 13G/A · Feb 11, 2022

0.0%

0 shares

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