# EDGAR Filing Document

**Accession Number:** 0001506492
**File Stem:** 0001213900-25-054392
**Filing Date:** 2025-6
**Character Count:** 21051
**Document Hash:** e77f328f81d0ef81c33c03db53bb40ae
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001213900-25-054392.hdr.sgml**: 20250613

**ACCESSION NUMBER**: 0001213900-25-054392

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20250613

**DATE AS OF CHANGE**: 20250613

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Nuwellis, Inc.
- **CENTRAL INDEX KEY:** 0001506492
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS [3845]
- **ORGANIZATION NAME:** 08 Industrial Applications and Services
- **EIN:** 680533453
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-86733
- **FILM NUMBER:** 251047831

**BUSINESS ADDRESS:**
- **STREET 1:** 12988 VALLEY VIEW ROAD
- **CITY:** EDEN PRAIRIE
- **STATE:** MN
- **ZIP:** 55344
- **BUSINESS PHONE:** 952-345-4200

**MAIL ADDRESS:**
- **STREET 1:** 12988 VALLEY VIEW ROAD
- **CITY:** EDEN PRAIRIE
- **STATE:** MN
- **ZIP:** 55344

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CHF Solutions, Inc.
- **DATE OF NAME CHANGE:** 20170523

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Sunshine Heart, Inc.
- **DATE OF NAME CHANGE:** 20101124
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** INTRACOASTAL CAPITAL, LLC
- **CENTRAL INDEX KEY:** 0001646799

**ORGANIZATION NAME:**
- **EIN:** 320460881
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G

**BUSINESS ADDRESS:**
- **STREET 1:** 245 PALM TRAIL
- **CITY:** DELRAY BEACH
- **STATE:** FL
- **ZIP:** 33483
- **BUSINESS PHONE:** 8475629030

**MAIL ADDRESS:**
- **STREET 1:** 245 PALM TRAIL
- **CITY:** DELRAY BEACH
- **STATE:** FL
- **ZIP:** 33483

## Ex-1

**Exhibit 1**

**JOINT FILING AGREEMENT**

The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G may be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained herein and therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that he or it knows or has reason to believe that such information is inaccurate.

Date: June 13, 2025

---

| | |
|:---|:---|
| /s/ Mitchell P. Kopin | /s/ Mitchell P. Kopin |
| Mitchell P. Kopin | Mitchell P. Kopin |
| /s/ Daniel B. Asher | /s/ Daniel B. Asher |
| Daniel B. Asher | Daniel B. Asher |
| Intracoastal Capital LLC | Intracoastal Capital LLC |
| By: | /s/ Mitchell P. Kopin |
|  | Mitchell P. Kopin, Manager |

---

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**Issuer:** Nuwellis, Inc.

**Title of Class of Securities:** Common stock, par value $0.0001 per share

**CUSIP Number:** 67113Y603

**Date of Event Which Requires Filing of this Statement:** 06/09/2025

**Check the appropriate box to designate the rule pursuant to which this Schedule is filed:**

- [ ] Rule 13d-1(b)

- [x] Rule 13d-1(c)

- [ ] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>Mitchell P. Kopin | Names of Reporting Persons<br>Mitchell P. Kopin |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>X1 | Citizenship or Place of Organization<br>X1 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>251087.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>251087.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>251087.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>251087.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>4.99% | Percent of Class Represented by Amount in Row (9)<br>4.99% |
| 12. | Type of Reporting Person (See Instructions)<br>HC, IN | Type of Reporting Person (See Instructions)<br>HC, IN |

---

| 1. | Names of Reporting Persons<br>Daniel B. Asher | Names of Reporting Persons<br>Daniel B. Asher |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>X1 | Citizenship or Place of Organization<br>X1 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>251087.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>251087.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>251087.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>251087.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>4.99% | Percent of Class Represented by Amount in Row (9)<br>4.99% |
| 12. | Type of Reporting Person (See Instructions)<br>HC, IN | Type of Reporting Person (See Instructions)<br>HC, IN |

---

| 1. | Names of Reporting Persons<br>Intracoastal Capital LLC | Names of Reporting Persons<br>Intracoastal Capital LLC |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>DE | Citizenship or Place of Organization<br>DE |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>251087.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0.00 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>251087.00 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>251087.00 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>251087.00 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>4.99% | Percent of Class Represented by Amount in Row (9)<br>4.99% |
| 12. | Type of Reporting Person (See Instructions)<br>OO | Type of Reporting Person (See Instructions)<br>OO |

---

**Item 1(a). Name of Issuer:**
Nuwellis, Inc.

**Item 1(b). Address of Issuer's Principal Executive Offices:**
12988 Valley View Road, Eden Prairie, MN 55344

**Item 2(a). Name of Person Filing:**
This Schedule 13G is being filed on behalf of (i) Mitchell P. Kopin, an individual ("Mr. Kopin"), (ii) Daniel B. Asher, an individual ("Mr. Asher") and (iii) Intracoastal Capital LLC, a Delaware limited liability company ("Intracoastal" and together with Mr. Kopin and Mr. Asher, collectively the "Reporting Persons").

**Item 2(b). Address of Principal Business Office:**
The principal business office of Mr. Kopin and Intracoastal is 245 Palm Trail, Delray Beach, Florida 33483. The principal business office of Mr. Asher is 1011 Lake Street, Suite 311, Oak Park, Illinois 60301.

**Item 2(c). Citizenship:**
Mr. Kopin is a citizen of the United States of America. Mr. Asher is a citizen of the United States of America. Intracoastal is a Delaware limited liability company.

**Item 2(d). Title of Class of Securities:**
Common stock, par value $0.0001 per share

**Item 2(e). CUSIP Number:**
67113Y603

**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:**

(i) Immediately following the consummation of the underwritten public offering by the Issuer on June 9, 2024 (the "Offering") (as disclosed in the Form 424B4 prospectus filed by the Issuer with the Securities and Exchange Commission on June 10, 2025), each of the Reporting Persons may have been deemed to have beneficial ownership of 333,333 shares of Common Stock held by Intracoastal, and all such shares of Common Stock represent beneficial ownership of approximately 7.0% of the Common Stock, based on 4,780,723 shares of Common Stock following the consummation of the Offering, as reported to the Reporting Persons by the Issuer. The foregoing excludes (I) 999,999 shares of Common Stock issuable upon exercise of a warrant held by Intracoastal ("Intracoastal Warrant 1") because Intracoastal Warrant 1 is not exercisable until the effective date of stockholder approval of the issuance of the shares of Common Stock issuable upon exercise of Intracoastal Warrant 1 (and Intracoastal Warrant 1 also contains a blocker provision under which the holder thereof does not have the right to exercise Intracoastal Warrant 1 to the extent (but only to the extent) that such exercise would result in beneficial ownership by the holder thereof, together with the holder's affiliates, and any other persons acting as a group together with the holder or any of the holder's affiliates, of more than 4.99% of the Common Stock), (II) 333,333 shares of Common Stock issuable upon exercise of a second warrant held by Intracoastal ("Intracoastal Warrant 2") because Intracoastal Warrant 2 is not exercisable until the effective date of stockholder approval of the issuance of the shares of Common Stock issuable upon exercise of Intracoastal Warrant 2 (and Intracoastal Warrant 2 also contains a blocker provision under which the holder thereof does not have the right to exercise Intracoastal Warrant 2 to the extent (but only to the extent) that such exercise would result in beneficial ownership by the holder thereof, together with the holder's affiliates, and any other persons acting as a group together with the holder or any of the holder's affiliates, of more than 4.99% of the Common Stock), (III) 9 shares of Common Stock issuable upon exercise of a third warrant held by Intracoastal ("Intracoastal Warrant 3") because Intracoastal Warrant 3 contains a blocker provision under which the holder thereof does not have the right to exercise Intracoastal Warrant 3 to the extent (but only to the extent) that such exercise would result in beneficial ownership by the holder thereof, together with the holder's affiliates, and any other persons acting as a group together with the holder or any of the holder's affiliates, of more than 4.99% of the Common Stock, (IV) 167,619 shares of Common Stock issuable upon exercise of a fourth warrant held by Intracoastal ("Intracoastal Warrant 4") because Intracoastal Warrant 4 contains a blocker provision under which the holder thereof does not have the right to exercise Intracoastal Warrant 4 to the extent (but only to the extent) that such exercise would result in beneficial ownership by the holder thereof, together with the holder's affiliates, and any other persons acting as a group together with the holder or any of the holder's affiliates, of more than 4.99% of the Common Stock, (V) 103,774 shares of Common Stock issuable upon exercise of a fifth warrant held by Intracoastal ("Intracoastal Warrant 5") because Intracoastal Warrant 5 contains a blocker provision under which the holder thereof does not have the right to exercise Intracoastal Warrant 5 to the extent (but only to the extent) that such exercise would result in beneficial ownership by the holder thereof, together with the holder's affiliates, and any other persons acting as a group together with the holder or any of the holder's affiliates, of more than 4.99% of the Common Stock and (VI) 81,301 shares of Common Stock issuable upon exercise of a sixth warrant held by Intracoastal ("Intracoastal Warrant 6") because Intracoastal Warrant 6 contains a blocker provision under which the holder thereof does not have the right to exercise Intracoastal Warrant 6 to the extent (but only to the extent) that such exercise would result in beneficial ownership by the holder thereof, together with the holder's affiliates, and any other persons acting as a group together with the holder or any of the holder's affiliates, of more than 4.99% of the Common Stock. Without such blocker provisions (and assuming each of Intracoastal 1 and Intracoastal 2 was currently exercisable), each of the Reporting Persons may have been deemed to have beneficial ownership of 2,019,368 shares of Common Stock.
(ii)  As of the close of business on June 13, 2025, each of the Reporting Persons may have been deemed to have beneficial ownership of 251,087 shares of Common Stock, which consisted of (i) 9 shares of Common Stock issuance upon exercise of Intracoastal Warrant 3, (ii) 167,619 shares of Common Stock issuance upon exercise of Intracoastal Warrant 4 and (iii) 83,459 shares of Common Stock issuance upon exercise of Intracoastal Warrant 5, and all such shares of Common Stock represent beneficial ownership of approximately 4.99% of the Common Stock, based on (1) 4,780,723 shares of Common Stock following the consummation of the Offering, as reported to the Reporting Persons by the Issuer, plus (2) 9 shares of Common Stock issuable upon exercise of Intracoastal Warrant 3, (3) 167,619 shares of Common Stock issuable upon exercise of Intracoastal Warrant 4 and (4) 83,459 shares of Common Stock issuable upon exercise of Intracoastal Warrant 5. The foregoing excludes (I) 999,999 shares of Common Stock issuable upon exercise of Intracoastal Warrant 1 because Intracoastal Warrant 1 is not exercisable until the effective date of stockholder approval of the issuance of the shares of Common Stock issuable upon exercise of Intracoastal Warrant 1 (and Intracoastal Warrant 1 also contains a blocker provision under which the holder thereof does not have the right to exercise Intracoastal Warrant 1 to the extent (but only to the extent) that such exercise would result in beneficial ownership by the holder thereof, together with the holder's affiliates, and any other persons acting as a group together with the holder or any of the holder's affiliates, of more than 4.99% of the Common Stock), (II) 333,333 shares of Common Stock issuable upon exercise of Intracoastal Warrant 2 because Intracoastal Warrant 2 is not exercisable until the effective date of stockholder approval of the issuance of the shares of Common Stock issuable upon exercise of Intracoastal Warrant 2 (and Intracoastal Warrant 2 also contains a blocker provision under which the holder thereof does not have the right to exercise Intracoastal Warrant 2 to the extent (but only to the extent) that such exercise would result in beneficial ownership by the holder thereof, together with the holder's affiliates, and any other persons acting as a group together with the holder or any of the holder's affiliates, of more than 4.99% of the Common Stock), (III) 20,315 shares of Common Stock issuable upon exercise of Intracoastal Warrant 5 because Intracoastal Warrant 5 contains a blocker provision under which the holder thereof does not have the right to exercise Intracoastal Warrant 5 to the extent (but only to the extent) that such exercise would result in beneficial ownership by the holder thereof, together with the holder's affiliates, and any other persons acting as a group together with the holder or any of the holder's affiliates, of more than 4.99% of the Common Stock and (IV) 81,301 shares of Common Stock issuable upon exercise of Intracoastal Warrant 6 because Intracoastal Warrant 6 contains a blocker provision under which the holder thereof does not have the right to exercise Intracoastal Warrant 6 to the extent (but only to the extent) that such exercise would result in beneficial ownership by the holder thereof, together with the holder's affiliates, and any other persons acting as a group together with the holder or any of the holder's affiliates, of more than 4.99% of the Common Stock. Without such blocker provisions (and assuming each of Intracoastal 1 and Intracoastal 2 was currently exercisable), each of the Reporting Persons may have been deemed to have beneficial ownership of 1,686,035 shares of Common Stock.

**(b) Percent of class:**

4.99%

**(c) Number of shares as to which the person has:**

**(i) Sole power to vote or to direct the vote:**

0

**(ii) Shared power to vote or to direct the vote:**

251,087

**(iii) Sole power to dispose or to direct the disposition of:**

0

**(iv) Shared power to dispose or to direct the disposition of:**

251,087

**Item 5. Ownership of Five Percent or Less of a Class.**

[ ] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

Not Applicable

**Item 7. Identification and Classification of the Subsidiary**

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. Certification:**

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above 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.

**Mitchell P. Kopin**

**Date:** 06/13/2025

**By:** /s/ Mitchell P. Kopin

**Name & Title:** Mitchell P. Kopin

**Daniel B. Asher**

**Date:** 06/13/2025

**By:** /s/ Daniel B. Asher

**Name & Title:** Daniel B. Asher

**Intracoastal Capital LLC**

**Date:** 06/13/2025

**By:** /s/ Mitchell P. Kopin

**Name & Title:** Mitchell P. Kopin, Manager