SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Xu Xiaochun (Last) (First) (Middle) 2711 CITRUS ROAD (Street) RANCHO CORDOVA CA 95742 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol ThermoGenesis Holdings, Inc. [ THMO ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner X Officer (give title below) Other (specify below) CEO
	3. Date of Earliest Transaction (Month/Day/Year) 06/28/2022
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/28/2022		C(1)		10,552,234	A	$0.2843	12,281,091	I	Held by Boyalife Asset Holding II, Inc.

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Second Amended and Restated Convertible Note	$0.2843(1)	06/28/2022		C(1)			$3,000,000(1)	04/16/2018	03/06/2023	Common Stock	10,552,234	(1)	$7,700,000(1)	I	Held by Boyalife Asset Holding II, Inc.

1. Name and Address of Reporting Person* Xu Xiaochun (Last) (First) (Middle) 2711 CITRUS ROAD (Street) RANCHO CORDOVA CA 95742 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner X Officer (give title below) Other (specify below) CEO

1. Name and Address of Reporting Person* Boyalife Group, Inc. (Last) (First) (Middle) 2453 S. ARCHER AVE. SUITE B (Street) CHICAGO IL 60616 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Boyalife Asset Holding II, Inc. (Last) (First) (Middle) 2453 S. ARCHER AVE. SUITE B (Street) CHICAGO IL 60616 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. On June 28, 2022, Boyalife Asset Holding II, Inc. converted an aggregate of $3,000,000 of outstanding principal and interest under a Second Amended and Restated Convertible Promissory Note issued by Issuer in April 2018. After giving effect to the conversion, as of the date of this Form 4, there was $7,000,000 in principal and approximately $700,000 in accrued interest outstanding under the Convertible Promissory Note, all of which is convertible at a current conversion price of $0.2843 per share, subject to downward adjustment in the event that the Issuer issues shares of common stock at a lower price. Boyalife Asset Holding II, Inc. is 100% owned by Boyalife Group, Inc., which is 100% owned by Dr. Xiaochun Xu.

	/s/ Xiaochun Xu	06/30/2022
	** Signature of Reporting Person	Date
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