# EDGAR Filing Document

**Accession Number:** 0001993004
**File Stem:** 0001993004-25-000190
**Filing Date:** 2025-10
**Character Count:** 5538
**Document Hash:** 3a721d90c851a6d124600c427dba6280
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001993004-25-000190.hdr.sgml**: 20251031

**ACCESSION NUMBER**: 0001993004-25-000190

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 13

**CONFORMED PERIOD OF REPORT**: 20251027

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

**ITEM INFORMATION**: Financial Statements and Exhibits

**FILED AS OF DATE**: 20251031

**DATE AS OF CHANGE**: 20251031

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NorthWestern Energy Group, Inc.
- **CENTRAL INDEX KEY:** 0001993004
- **STANDARD INDUSTRIAL CLASSIFICATION:** ELECTRIC & OTHER SERVICES COMBINED [4931]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 932020320
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-56598
- **FILM NUMBER:** 251440731

**BUSINESS ADDRESS:**
- **STREET 1:** 3010 WEST 69TH STREET
- **CITY:** SIOUX FALLS
- **STATE:** SD
- **ZIP:** 57108
- **BUSINESS PHONE:** 605-978-2900

**MAIL ADDRESS:**
- **STREET 1:** 3010 WEST 69TH STREET
- **CITY:** SIOUX FALLS
- **STATE:** SD
- **ZIP:** 57108

?xml version='1.0' encoding='ASCII'? nwe-20251027

    

**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): October 27, 2025

![2in_Color.jpg](nwe-20251027_g1.jpg)<br>

**NorthWestern Energy Group, Inc.**

(Exact name of registrant as specified in its charter)

---

| | | | | |
|:---|:---|:---|:---|:---|
| **Delaware** | **Delaware** | **Delaware** | **000-56598** | **93-2020320** |
| (State or other jurisdiction of<br>incorporation or organization) | (State or other jurisdiction of<br>incorporation or organization) | (State or other jurisdiction of<br>incorporation or organization) | (Commission File Number) | (I.R.S. Employer Identification No.) |
| **3010 W. 69th Street** | **Sioux Falls** | **South Dakota** | | **57108** |
| (Address of principal executive offices) | (Address of principal executive offices) | (Address of principal executive offices) | | (Zip Code) |

---

**Registrant's telephone number, including area code: 605-978-2900** 

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 (<u>see</u> General Instruction A.2. below):

☐ 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:

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| | | | |
|:---|:---|:---|:---|
| Registrant | Title of each class | Trading Symbol(s) | Name of each exchange on which registered |
| **NorthWestern Energy Group, Inc.** | **Common stock** | **NWE** | **Nasdaq Stock Market LLC** |

---

Indicate by check mark whether the registrant is an emerging growth company as defined in 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.

☐

    

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**Item 5.02&nbsp;&nbsp;&nbsp;&nbsp;Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers**

**(b) Resignation of Named Executive Officer**

On October 27, 2025, John Hines, Vice President — Supply / Montana Government Affairs of NorthWestern Energy Group, Inc. (Nasdaq: NWE) (the "***Company***"), announced that he will retire from his position with the Company as of February 2, 2026.

The Company appreciates the 20 years of service, including nearly 15 years in his Vice President role, Mr. Hines has dedicated to shaping the Company's energy future. His leadership helped rebuild the Company's electric portfolio in Montana following deregulation and maintain resource adequacy in Montana and South Dakota while also modernizing older and less efficient generators. The Company is deeply grateful for his leadership, integrity, and commitment to balancing the needs of shareholders, customers, and employees.

**Item 9.01**&nbsp;&nbsp;&nbsp;&nbsp;**Financial Statements and Exhibits.**

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| | |
|:---|:---|
| **Exhibit No.** | **Description of Document** |
| 104 | Cover Page Interactive Data File – the cover page XBRL tags are embedded within the Inline XBRL document |

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**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.

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| | |
|:---|:---|
| | **NorthWestern Energy Group, Inc.** |
| By: | /s/ Timothy P. Olson |
|  | Timothy P. Olson |
|  | Corporate Secretary |

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Date: October 31, 2025