Velan Capital Investment Management LP - 19 Sep 2025 SCHEDULE 13D/A Report for Jasper Therapeutics, Inc. Voting Common Stock, par value $0.0001 per share (JSPR)

Filing manager
Velan Capital Investment Management LP
Reporting owner
Velan Capital Investment Management LP
Security
Jasper Therapeutics, Inc. Voting Common Stock, par value $0.0001 per share
Beneficially owned shares
2,668,395 shares
Ownership signal CIK-linked ownership evidence from parsed SEC filings. 2 signals
Large-stake signal

Form

SCHEDULE 13D/A

Active or control-oriented beneficial ownership filing.

Ownership

9.6%

Beneficial ownership of this reported class.

Shares

2,668,395 shares

Shares beneficially owned as disclosed.

Event date

19 Sep 2025

Date tied to the ownership event or amendment.

Accepted by SEC

23 Sep 2025

EDGAR acceptance date.

How to read this large-stake filing
  • Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
  • Compare this filing with the holder history and issuer page before treating the percentage as a current position.
  • Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
Class ownership
9.6%
Subject security Names, identifiers, and filing context for this profile. 2 source fields
Symbol
JSPR
Shares outstanding
27,795,781 shares
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
SCHEDULE 13D/A
Accepted by SEC
23 Sep 2025, 17:07:43 UTC
Event date
19 Sep 2025
Source filing
View source filing

Key filing fact

Velan Capital Investment Management LP disclosed 9.6% ownership in Jasper Therapeutics, Inc. Voting Common Stock, par value $0.0001 per share (JSPR) on 19 Sep 2025.

Key facts

  • Velan Capital Investment Management LP filed SCHEDULE 13D/A for Jasper Therapeutics, Inc. Voting Common Stock, par value $0.0001 per share (JSPR).
  • Disclosed ownership: 9.6%.
  • Date of event: 19 Sep 2025.

Change

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 23 Sep 2025, 17:07.

Research use

  • This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
  • Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.

Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

View source filing

Reporting persons

Disclosed reporting parties (12)

Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name Ownership Shares owned Sole voting power Shared voting power Signature Title CIK
Velan Capital Master Fund LP 8.5% 2,381,915 0 2,381,915 /s/ Adam Morgan Adam Morgan, Managing Member of Velan Capital Holdings LLC, its General Partner 0001964356
Velan Capital Holdings LLC 8.5% 2,381,915 0 2,381,915 /s/ Adam Morgan Adam Morgan, Managing Member 0001964353
Velan Horizon Fund LP 0.1% 41,152 0 41,152 /s/ Adam Morgan Adam Morgan, Managing Member of Velan Horizon GP LLC, its General Partner 0002057740
Velan Horizon GP LLC 0.1% 41,152 0 41,152 /s/ Adam Morgan Adam Morgan, Managing Member 0002057821
Avego Healthcare Capital, L.P. 0.9% 245,328 0 245,328 /s/ Balaji Venkataraman Balaji Venkataraman, Managing Member of Avego Healthcare Capital Holdings, LLC, its General Partner 0001822834
Avego Healthcare Capital Holdings, LLC 0.9% 245,328 0 245,328 /s/ Balaji Venkataraman Balaji Venkataraman, Managing Member 0001964446
Avego Management LLC 0.9% 245,328 0 245,328 /s/ Balaji Venkataraman Balaji Venkataraman, Managing Member 0001886177
Velan Capital Investment Management LP 9.6% 2,668,395 0 2,668,395 /s/ Adam Morgan Adam Morgan, Managing Member of Velan Capital Management LLC, its General Partner 0001848809
Velan Capital Management LLC 9.6% 2,668,395 0 2,668,395 /s/ Adam Morgan Adam Morgan, Managing Member 0001964355
Morgan Adam 9.6% 2,668,395 0 2,668,395 /s/ Adam Morgan Adam Morgan 0001964335
VENKATARAMAN BALAJI 9.6% 2,668,395 0 2,668,395 /s/ Balaji Venkataraman Balaji Venkataraman 0001114916
Kapoor Vishal 0.1% 23,867 23,867 0 /s/ Vishal Kapoor Vishal Kapoor 0001798946
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .