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Jasper Therapeutics, Inc. (JSPR) is the issuer in a Schedule 13G reporting that Affinity Asset Advisors, LLC and its managing member, Michael Cho, each beneficially own the same 1,850,000 shares, approximately 5.6% of common stock as of September 30, 2026. The reported shares are held directly by Affinity Healthcare Fund, LP. Jasper had 33,274,561 common shares outstanding as of September 28, 2026, the basis cited for the ownership percentages.
Beneficially owned shares1,850,000 sharesThe same block is reported by Affinity Asset Advisors, LLC and Michael Cho as of September 30, 2026.
Beneficial ownership percentageapproximately 5.6%As of September 30, 2026.
Common shares outstanding33,274,561 sharesAs of September 28, 2026; basis cited for the ownership percentages.
Key Terms
beneficial owner, investment management agreement, sole voting power, sole dispositive power
4 terms
beneficial ownerfinancial
"may be deemed a beneficial owner of the securities"
A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.
investment management agreementfinancial
"pursuant to an investment management agreement"
An investment management agreement is a written contract that hires a professional to make buying, selling and strategy decisions for an investment account or fund, and sets out their duties, fees, risk limits, performance measures and reporting requirements. It matters to investors because the agreement determines who controls the money, how much the service costs, what risks are allowed, and how success or failure is measured—think of it as the service contract that defines expectations and remedies for a hired portfolio manager.
sole voting powerfinancial
"Sole power to vote or to direct the vote"
Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.
sole dispositive powerfinancial
"Sole power to dispose or to direct the disposition"
Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.
FAQ
AI-generated questions and answers. How Rhea-AI works. Not financial advice.
How many JSPR shares did Affinity Asset Advisors and Michael Cho report?
Affinity Asset Advisors, LLC and Michael Cho each report beneficial ownership of 1,850,000 shares. The shares are held directly by Affinity Healthcare Fund, LP, so the two reports refer to the same block.
What percentage of JSPR did Affinity Asset Advisors and Michael Cho report owning?
They report beneficial ownership of approximately 5.6% as of September 30, 2026. The percentage is based on 33,274,561 Jasper common shares outstanding as of September 28, 2026.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
Jasper Therapeutics, Inc.
(Name of Issuer)
Voting Common Stock, par value $0.0001 per share
(Title of Class of Securities)
471871202
(CUSIP Number)
09/30/2026
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)
schemaVersion:
SCHEDULE 13G
CUSIP Number(s):
471871202
1
Names of Reporting Persons
Affinity Asset Advisors, LLC
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
1,850,000.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
1,850,000.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,850,000.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
5.6 %
12
Type of Reporting Person (See Instructions)
IA, OO
SCHEDULE 13G
CUSIP Number(s):
471871202
1
Names of Reporting Persons
Michael Cho
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
UNITED STATES
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
1,850,000.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
1,850,000.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,850,000.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
5.6 %
12
Type of Reporting Person (See Instructions)
IN, HC
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Jasper Therapeutics, Inc.
(b)
Address of issuer's principal executive offices:
2200 Bridge Pkwy Suite #102, Redwood City, CA 94065
Item 2.
(a)
Name of person filing:
Affinity Asset Advisors, LLC
Michael Cho
(b)
Address or principal business office or, if none, residence:
450 Park Avenue
Suite 1403
New York, NY 10022
(c)
Citizenship:
Affinity Asset Advisors, LLC is a Delaware limited liability company, and Michael Cho is an individual and is a citizen of the United States.
(d)
Title of class of securities:
Voting Common Stock, par value $0.0001 per share
(e)
CUSIP Number(s):
471871202
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
The securities reported herein are directly held by Affinity Healthcare Fund, LP (the "Fund"). Affinity Asset Advisors, LLC (the "Adviser") is the investment manager of the Fund and exercises voting and investment power over the securities held directly by the Fund reported herein pursuant to an investment management agreement between the Adviser, the Fund, and the general partner of the Fund. The Adviser may be deemed to beneficially own the securities reported herein held by the Fund by virtue of its position as investment manager of the Fund. Michael Cho, the managing member of the Adviser, may be deemed a beneficial owner of the securities reported herein held directly by the Fund.
As of September 30, 2026, the Adviser and Mr. Cho (collectively, the "Reporting Persons") beneficially own 1,850,000 shares of Voting Common Stock, par value $0.0001 per share ("Common Stock"), of Jasper Therapeutics, Inc. (the "Issuer").
(b)
Percent of class:
As of September 30, 2026, the Reporting Persons beneficially own approximately 5.6% of the Common Stock outstanding.
The percentages disclosed above are based on 33,274,561 shares of Common Stock of the Issuer outstanding as of September 28, 2026, as set forth in the Issuer's Definitive Proxy Statement filed with the Securities and Exchange Commission on October 19, 2026.
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
As of September 30, 2026, the Reporting Persons have sole power to vote or to direct the vote of 1,850,000 shares of Common Stock.
(ii) Shared power to vote or to direct the vote:
As of September 30, 2026, the Reporting Persons have shared power to vote or to direct the vote of 0 shares of Common Stock.
(iii) Sole power to dispose or to direct the disposition of:
As of September 30, 2026, the Reporting Persons have sole power to dispose or to direct the disposition of 1,850,000 shares of Common Stock.
(iv) Shared power to dispose or to direct the disposition of:
As of September 30, 2026, the Reporting Persons have shared power to dispose or to direct the disposition of 0 shares of Common Stock.
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
Not Applicable
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
Not Applicable
Item 8.
Identification and Classification of Members of the Group.
Not Applicable
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
Affinity Asset Advisors, LLC
Signature:
/s/ Andrew Weinstein
Name/Title:
Andrew Weinstein, Chief Financial Officer and Chief Compliance Officer
