[Form 4] NorthWestern Energy Group, Inc. Insider Trading Activity

Rhea-AI Filing Summary

NorthWestern Energy Group (NWE) director reported an equity grant. On 11/04/2025, the reporting person acquired 640 shares of common stock (deferred share units) at a grant price of $58.61.

The award reflects the company’s 2025 fourth‑quarter stock grant for non‑employee directors, with deferred share units issuable after service ends. Following the transaction, the reporting person beneficially owned 22,026 shares. The filing notes the grant price was set as of September 30, 2025, and shares were issued as deferred share units on November 3, 2025.

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
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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 for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Yingling Jeffrey W.

(Last) (First) (Middle)

3010 W. 69TH STREET

(Street)

SIOUX FALLS SD 57108

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
NorthWestern Energy Group, Inc. [ NWE ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
11/04/2025

4. If Amendment, Date of 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

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	11/04/2025		A		640(1)(2)	A	$58.61(3)	22,026(4)	D

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

Explanation of Responses:

1. Fourth quarter stock grant for 2025 received pursuant to the NorthWestern Energy Group, Inc. compensation rate schedule for non-employee directors.

2. Represents underlying deferred share units that are issuable subsequent to the reporting person's termination of service from the company.

3. Grant price as of September 30, 2025. Shares issued as deferred share units on November 3, 2025.

4. Includes shares acquired from dividend reinvestment.

Remarks:

	Emily L. Folsom, by power of attorney	11/04/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did NWE disclose in this Form 4?

A director acquired 640 shares of common stock (deferred share units) at a grant price of $58.61 on 11/04/2025.

How many NWE shares does the reporting person now own?

The reporting person beneficially owned 22,026 shares following the reported transaction.

What is the nature of the 640-share award at NWE?

It is a fourth quarter 2025 stock grant under the compensation schedule for non‑employee directors, delivered as deferred share units.

When are the deferred share units issuable for NWE’s director grant?

They are issuable after the reporting person’s termination of service from the company.

What dates are tied to the NWE director grant pricing and issuance?

The grant price was set as of September 30, 2025, and units were issued on November 3, 2025.

Is the NWE reporting person an officer or 10% owner?

The form identifies the reporting person as a Director; no 10% owner or officer role is indicated.