Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * ERB JOHN L 2. Issuer Name and Ticker or Trading Symbol Nuwellis, Inc. [NUWE] 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 and President (Last) (First) (Middle) 12988 VALLEY VIEW ROAD 3. Date of Earliest Transaction (Month/Day/Year) 06/09/2025 (Street) EDEN PRAIRIE, MN 55344 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) 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 06/09/2025 C 1,092,500 A $0.06 1,092,500 D Common Stock 06/10/2025 C 7,522 A $0.06 1,100,022 D

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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 Underlying Securities (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 of Derivative Security: 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

Series F Convertible Preferred Stock

$0.06

06/09/2025

J(1)

100

11/22/2017

(2)

Common Stock

1,666,667

(1)

0

D

Series F-1 Convertible Preferred Stock

$0.06

06/09/2025

J(1)

100

06/09/2025

(2)

Common Stock

1,666,667(3)

(1)

100

D

Series F-1 Convertible Preferred Stock

$0.06

06/09/2025

C

66

06/09/2025

(2)

Common Stock

1,100,022

(3)

34

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
ERB JOHN L 12988 VALLEY VIEW ROAD EDEN PRAIRIE, MN 55344	X	X	CEO and President

Signatures

/s/ Phillip D. Torrence, by Power of Attorney		06/11/2025
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	On June 9, 2025, the Issuer entered into a Securities Exchange Agreement with the Reporting Person, pursuant to which the Issuer agreed to issue 100 shares of its newly designated Series F-1 Convertible Preferred Stock ("F-1 Stock") in exchange for 100 shares of its outstanding Series F Convertible Preferred Stock ("F Stock"). Each share of F-1 Stock and F Stock has a stated value of $1,000.
(2)	The preferred stock has no expiration date.
(3)	The Reporting Person's shares of Series F-1 Convertible Preferred Stock are convertible into shares of common stock, par value $0.0001 per share, subject to a 19.99% beneficial ownership limitation.

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