JAN ROBERT HORSFALL - 03 Feb 2026 Form 4 Insider Report for NorthWestern Energy Group, Inc. (NWE)

Role: Director
Signature: Emily L. Folsom, by power of attorney
Issuer symbol: NWE
Transactions as of: 03 Feb 2026
Net transactions value: +$37,498
Form type: 4
Filing time: 04 Feb 2026, 10:05:29 UTC
Previous filing: 05 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
HORSFALL JAN ROBERT	Director	3010 W 69TH STREET, SIOUX FALLS	Emily L. Folsom, by power of attorney	04 Feb 2026	0001244563

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NWE	Common Stock	Award	$37,498	+581	+5.9%	$64.54	10,505	03 Feb 2026	Direct	F1, F2, F3, F4

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	First quarter stock grant for 2026 received pursuant to the NorthWestern Energy Group, Inc. compensation rate schedule for non-employee directors.
F2	Includes underlying deferred share units that are issuable subsequent to the reporting person's termination of service from the company.
F3	Grant price as of December 31, 2025. Shares issued as deferred share units on February 2, 2026.
F4	Includes shares acquired from dividend reinvestment.