SCHEDULE 13D/A

JASPER THERAPEUTICS INC

Voting Common Stock, par value $0.0001 per share · CUSIP: 471871202

Event date: 2025-09-19

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Velan Capital Master Fund LPReported CIK 0001964356

  Shares: 2,381,915.00 · Class: 8.5%

• Velan Capital Holdings LLCReported CIK 0001964353

  Shares: 2,381,915.00 · Class: 8.5%

• Velan Horizon Fund LPReported CIK 0002057740

  Shares: 41,152.00 · Class: 0.1%

• Velan Horizon GP LLCReported CIK 0002057821

  Shares: 41,152.00 · Class: 0.1%

• Avego Healthcare Capital, L.P.Reported CIK 0001822834

  Shares: 245,328.00 · Class: 0.9%

• Avego Healthcare Capital Holdings, LLCReported CIK 0001964446

  Shares: 245,328.00 · Class: 0.9%

• Avego Management LLCReported CIK 0001886177

  Shares: 245,328.00 · Class: 0.9%

• Velan Capital Investment Management LPReported CIK 0001848809

  Shares: 2,668,395.00 · Class: 9.6%

• Velan Capital Management LLCReported CIK 0001964355

  Shares: 2,668,395.00 · Class: 9.6%

• Morgan AdamReported CIK 0001964335

  Shares: 2,668,395.00 · Class: 9.6%

• VENKATARAMAN BALAJIReported CIK 0001114916

  Shares: 2,668,395.00 · Class: 9.6%

• Kapoor VishalReported CIK 0001798946

  Shares: 23,867.00 · Class: 0.1%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.