Ron Martell - 22 Sep 2025 Form 4 Insider Report for Jasper Therapeutics, Inc. (JSPR)

Role: President and CEO, Director
Signature: /s/ Herb Cross, as Attorney-in-Fact
Issuer symbol: JSPR
Transactions as of: 22 Sep 2025
Net transactions value: +$99,630
Form type: 4
Filing time: 24 Sep 2025, 16:01:19 UTC
Previous filing: 06 Jun 2025
Next filing: 05 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
MARTELL RON	President and CEO, Director	C/O JASPER THERAPEUTICS, INC., 2200 BRIDGE PKWY, SUITE #102, REDWOOD CITY	/s/ Herb Cross, as Attorney-in-Fact	24 Sep 2025	0001177079

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	JSPR	Voting Common Stock	Purchase	$99,630	+41,000	+124%	$2.43	74,118	22 Sep 2025	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	JSPR	Common Stock Warrant (right to buy)	Purchase		+41,000			41,000	22 Sep 2025	Voting Common Stock	41,000	$2.92	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Each share of voting common stock was purchased together with an accompanying warrant to purchase one share of voting common stock in an underwritten public offering at a combined offering price of $2.43 per share of voting common stock and accompanying warrant.