# EDGAR Filing Document

**Accession Number:** 0001506492
**File Stem:** 0001140361-26-002241
**Filing Date:** 2026-1
**Character Count:** 17780
**Document Hash:** cf6ba0be2f8d6db2d2b01abfb62b127c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-002241.hdr.sgml**: 20260123

**ACCESSION NUMBER**: 0001140361-26-002241

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 15

**CONFORMED PERIOD OF REPORT**: 20260121

**ITEM INFORMATION**: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

**ITEM INFORMATION**: Regulation FD Disclosure

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20260123

**DATE AS OF CHANGE**: 20260123

**FILER**: 

**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:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-35312
- **FILM NUMBER:** 26557489

**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

?xml version='1.0' encoding='ASCII'?

------

### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

### FORM 8-K

#### Current Report Pursuant to Section 13 or 15(d) of

#### the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): **January 21, 2026**

## Nuwellis, Inc.

#### (Exact Name of Registrant as Specified in its Charter)

---

| | | |
|:---|:---|:---|
| **Delaware**<br>| **001-35312** | **No. 68-0533453** |
| **(State or Other Jurisdiction of**<br> **Incorporation or Organization)** | **(Commission File Number)** | **(I.R.S. Employer Identification No.)** |

---

---

| | |
|:---|:---|
| **12988 Valley View Road, Eden Prairie, MN**<br> **(Address of Principal Executive Offices)** | **55344**<br>**(Zip Code)** |

---

(952) 345-4200

#### (Registrant's Telephone Number, Including Area Code)

#### Not Applicable

#### (Former Name or Former Address, if Changed Since Last Report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

---

| | | |
|:---|:---|:---|
| Title of each class | Trading Symbol(s) | Name of each exchange on which <br> registered |
| Common Stock, par value $0.0001 per share<br>| NUWE | Nasdaq Capital Market<br>|

---

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

------

---

| | |
|:---|:---|
| **Item 5.02** | **Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.** |

---

#### Resignation of Directors
On January 21, 2026, each of Dave McDonald, Mike McCormick, and Dr. Maria Costanzo notified Nuwellis, Inc. (the "***Company***") of their respective resignations from the board of directors of the Company (the "***Board***") and the respective committees of the Board on which they serve. These resignations were not the result of any disagreement with the Company regarding the Company's operations, policies or practices. In connection with these resignations, the Board determined to reduce the size of the Board from six (6) to five (5) members.

#### Director Appointments
*Katharyn Field*

Effective January 21, 2026, the Board appointed Katharyn Field to its Board. Ms. Field has been designated as a Class I director, whose term will expire at the Company's annual meeting of stockholders in 2026. The Board has determined that Ms. Field is "independent" in accordance with the listing standards of the Nasdaq Stock Market, LLC, the Company's internal policies, and the rules and regulations of the Securities and Exchange Commission (the "***SEC***"). Ms. Field is expected to serve as a member of the Audit Committee and also as a member of the Compensation Committee.

Ms. Field, age 32, is the Chief Executive Officer of iSpecimen Inc. (Nasdaq: ISPC), where she oversees performance improvement and the redevelopment of the proprietary software platform. Prior to serving as Chief Executive Officer she served as President, Chairman, and as an independent director. She has served as a director of LogProstyle (Nasdaq: LGPS) since September 2024, as an Executive Director of Akanda Corporation (Nasdaq: AKAN) since June 2022, a director of Virpax Pharmaceuticals Inc. (OTCPK: VPRX) from July 2024 to February 2025, and as a director of Aervins Technologies Inc. (OTCPK: AWIN) from May 2023 to May 2024. Ms. Field previously served in various roles at Halo Collective (OTCQX: HCANF), including as Chief Executive Officer and Chairman from 2022 to 2025, as President from 2020 to 2022, and as Chief Strategy Officer from 2019 to 2020, and also served as Executive Vice President, Corporate Development for Marimed Inc. (OTCMKTS: MRMD) from 2018 to 2019. She received her MBA with a concentration in Strategy and Economics from Columbia Business School and a BA in Public Policy, with a Minor in Art History, from Stanford University.

*Mika Grasso* 

Effective also on January 21, 2026, the Board appointed Mika Grasso to its Board. Mr. Grasso has been designated as a Class I director, whose term will expire at the Company's annual meeting of stockholders in 2026. The Board has determined that Mr. Grasso is "independent" in accordance with the listing standards of the Nasdaq Stock Market, LLC, the Company's internal policies, and the rules and regulations of the Securities and Exchange Commission. Mr. Grasso is expected to serve as a member of the Audit Committee and as a member of the Nominating and Corporate Governance Committee.

Mr. Grasso, age 28, is an Investment Manager at a private family office, where he is responsible for evaluating investment opportunities across public and private markets. Prior to serving as an Investment Manager, he served as a Finance Associate for Zions Capital Markets from November 2023 until March 2025, Investment Banking Associate at Paulson Investment Company from February 2022 until November 2023, Analyst at Goldman Sachs from August 2021 to February 2022, and as an Analyst on the Real Assets Team at Power Systems Management from May 2020 to August 2021. Mr. Grasso received his MS in Finance with a concentration in Investment Management and BS in Business Administration from the University of Colorado Boulder, Leeds School of Business.

------

In connection with these appointments, each of Ms. Field and Mr. Grasso have entered into the Company's standard form of indemnity agreement. The indemnity agreement provides, among other things, that the Company will indemnify each director for certain expenses which he or she may be required to pay in connection with certain claims to which he or she may be made a party by reason of his or her position as a director of the Company, and otherwise to the fullest extent permitted under Delaware law and the Company's Third Amended and Restated Bylaws. The form of indemnity agreement was filed as [Exhibit 10.1](https://www.sec.gov/Archives/edgar/data/1506492/000110465911054367/a11-26786_1ex10d1.htm) on the Company's Form 10 filed on September 30, 2011, and is incorporated herein by reference.

There are no family relationships between either Ms. Field or Mr. Grasso, respectively, and any director, executive officer, or any person nominated or chosen by the Company to become a director or executive officer, and neither Ms. Field nor Mr. Grasso has any direct or indirect material interest in any transaction required to be disclosed pursuant to Item 404(a) of Regulation S-K.

Each of Ms. Field and Mr. Grasso are eligible to participate in the Company's Non-Employee Director Compensation Program, which provides for annual compensation in the form of cash and equity-based awards.

Both Ms. Field and Mr. Grasso have agreed that if an investment in the equity securities of the Company of at least $5 million is not made within thirty (30) days of the filing of the Company's Registration Statement on Form S-1 in connection with any such investment (or, if the SEC has comments on the Registration Statement, within 30 days of clearing SEC comments), each will promptly resign from the Board and any committee to which he or she has been appointed.

---

| | |
|:---|:---|
| **Item 7.01** | **Regulation FD Disclosure.** |

---

On January 23, 2026, the Company issued a press release announcing the appointments of Mr. Grasso and Ms. Field as directors of the Company. A copy of the press release is furnished as Exhibit 99.1 and is incorporated into this Item 7.01 by reference.

The information in this Current Report on Form 8-K and Exhibit 99.1 attached hereto is intended to be furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the ***"Exchange Act"***) or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

---

| | |
|:---|:---|
| **Item 9.01** | **Financial Statements and Exhibits** |

---

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d) Exhibits:

---

| | |
|:---|:---|
| **Exhibit No.** | **Description** |
| [99.1](ef20063743_ex99-1.htm) | Press Release dated January 23, 2026 |
| 104 | Cover Page Interactive Data File (Embedded within the Inline XBRL Document). |

---

------

#### SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

---

| | | |
|:---|:---|:---|
| Date: January 23, 2026 | **NUWELLIS, INC.** | **NUWELLIS, INC.** |
|  | By: | /s/ John L. Erb |

---

Name: John L. Erb <br> Title: President and Chief Executive Officer

------

## Exhibit 99.1

------

 **Exhibit 99.1**<br>

<br> ![](image00001.jpg)<br>

#### FOR IMMEDIATE RELEASE
Minneapolis, MN – January 23, 2026

#### Nuwellis Announces Changes to Board of Directors
**MINNEAPOLIS – January 23, 2026 –** Nuwellis, Inc. (Nasdaq: NUWE), a medical technology company focused on advancing precision cardiorenal care in critical care settings, today announced the appointment of Katharyn Field and Mika Grasso to its board of directors, effective January 21, 2026.

Ms. Field is the Chief Executive Officer of iSpecimen Inc., where she oversees performance improvement and the redevelopment of the proprietary software platform. Prior to serving as Chief Executive Officer she served as President, Chairman, and as an independent director. She has served as a director of LogProstyle since September 2024, as an Executive Director of Akanda Corporation since June 2022, and previously served as a director of Virpax Pharmaceuticals Inc. and Aerwins Technologies Inc. Ms. Field previously served in various roles at Halo Collective, including as Chief Executive Officer and Chairman from 2022 to 2025, as President from 2020 to 2022, and as Chief Strategy Officer from 2019 to 2020, and also served as Executive Vice President, Corporate Development for Marimed Inc. from 2018 to 2019. Ms. Field has held many other positions prior to engaging in those included in this release. She received her MBA with a concentration in Strategy and Economics from Columbia Business School and a BA in Public Policy, with a Minor in Art History, from Stanford University.

Mr. Grasso is an Investment Manager at a private family office, where he is responsible for evaluating investment opportunities across public and private markets. Prior to serving as an Investment Manager, he served as a Finance Associate for Zions Capital Markets from November 2023 until March 2025, Investment Banking Associate at Paulson Investment Company from February 2022 until November 2023, Analyst at Goldman Sachs from August 2021 to February 2022, and as an Analyst on the Real Assets Team at Power Systems Management from May 2020 to August 2021. Mr. Grasso received his MS in Finance with a concentration in Investment Management and BS in Business Administration from the University of Colorado Boulder, Leeds School of Business.

Also, effective January 21, 2026, Dave McDonald, Mike McCormick, and Dr. Maria Costanzo each resigned from the Company's Board of Directors and the respective committees on which they served. The Company confirmed that these resignations were not the result of any disagreement with Nuwellis regarding its operations, policies, or practices.

"We thank Dave, Mike, and Maria for their service and contributions to Nuwellis," said John L. Erb, President and Chief Executive Officer of Nuwellis. "We are pleased to welcome Katharyn and Mika to the Board and look forward to benefiting from their financial, operational, and governance experience as we continue executing our strategic priorities."

Additional details regarding these Board changes are included in the Company's Form 8-K filed with the SEC.

![](image00002.jpg)

------

![](image00002.jpg)

**About Nuwellis** Nuwellis, Inc. (Nasdaq: NUWE) is a medical technology company advancing precision fluid management technologies across the cardiorenal continuum. The Company develops solutions designed to support patient care through monitoring, therapy, and data-informed clinical decision-making across acute and chronic care settings. Nuwellis' portfolio includes commercially available and development-stage technologies addressing complex cardiorenal conditions, with a focus on safety, precision, and scalability across patient populations.

Nuwellis is headquartered in Minneapolis, Minnesota. For more information, visit <u>www.nuwellis.com</u> or follow the Company on LinkedIn and X.

**About the Aquadex SmartFlow® System** The Aquadex SmartFlow system delivers clinically proven therapy using a simple, flexible and smart method of removing excess fluid from patients suffering from hypervolemia (fluid overload). The Aquadex SmartFlow system is indicated for temporary (up to 8 hours) or extended (longer than 8 hours in patients who require hospitalization) use in adult and pediatric patients weighing 20 kg or more whose fluid overload is unresponsive to medical management, including diuretics. All treatments must be administered by a health care provider, within an outpatient or inpatient clinical setting, under physician prescription, both having received training in extracorporeal therapies.

**Forward-Looking Statements** Certain statements in this release may be considered forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, including without limitation, statements regarding the new market opportunities and anticipated growth in 2026 and beyond. Forward-looking statements are predictions, projections and other statements about future events that are based on current expectations and assumptions and, as a result, are subject to risks and uncertainties. Many factors could cause actual future events to differ materially from the forward-looking statements in this release, including, without limitation, those risks associated with our ability to execute on our commercialization strategy, the possibility that we may be unable to raise sufficient funds necessary for our anticipated operations, our post-market clinical data collection activities, benefits of our products to patients, our expectations with respect to product development and commercialization efforts, our ability to increase market and physician acceptance of our products, potentially competitive product offerings, intellectual property protection, our ability to integrate acquired businesses, our expectations regarding anticipated synergies with and benefits from acquired businesses, and other risks and uncertainties described in our filings with the SEC. Forward-looking statements speak only as of the date when made. Nuwellis does not assume any obligation to publicly update or revise any forward-looking statements, whether due to new information, future events or otherwise.

For further information, please contact:

#### Investor Relations:
<u>ir@nuwellis.com</u>

#### Media Contact:
Leah McMullen

Director of Communications

<u>Leah.mcmullen@nuwellis.com</u>

![](image00002.jpg)

------