NorthWestern VP Shannon Heim reports 442-share trade

NorthWestern Energy Group, Inc. officer Shannon Heim, who serves as VP and General Counsel, reported a Form 4 insider transaction in the company’s common stock.

Rhea-AI Filing Summary

NorthWestern Energy Group, Inc. officer Shannon Heim, who serves as VP and General Counsel, reported a Form 4 insider transaction in the company’s common stock. On 01/15/2026, a transaction coded “F” involved 442 shares at a price of $64.54 per share. Following this activity, Heim is shown as beneficially owning 7,195 shares of NorthWestern Energy Group common stock in direct ownership.

Insider Trade Summary

Exercise Price or Tax Liability: 442 shares

Exercise Price or Tax Liability 1 txn

Insider Heim Shannon

Role VP and General Counsel

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	442	$64.54	$29K

Holdings After Transaction: Common Stock — 7,195 shares (Direct)

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did NorthWestern Energy Group (NWE) report for Shannon Heim?

The filing shows that VP and General Counsel Shannon Heim reported a Form 4 transaction in NorthWestern Energy Group common stock involving 442 shares on 01/15/2026.

What was the price per share in the 442-share transaction reported by NWEa0insider Shannon Heim?

The transaction involving 442 shares of NorthWestern Energy Group common stock was reported at a price of $64.54 per share.

How many NorthWestern Energy Group (NWE) shares does Shannon Heim own after the reported Form 4 transaction?

After the reported activity, Shannon Heim is shown as beneficially owning 7,195 shares of NorthWestern Energy Group common stock in direct ownership.

What does the transaction code "F" mean in Shannon Heima0of NWE's Form 4?

The Form 4 lists the transaction code as "F" for the 01/15/2026 common stock transaction involving 442 shares, as shown in the transaction table.

What is Shannon Heima0of NorthWestern Energy Group's role at the company?

The reporting person, Shannon Heim, is identified as an officer of NorthWestern Energy Group, Inc., with the title VP and General Counsel.

Is the Form 4 for NorthWestern Energy Group (NWE) filed by one or multiple reporting persons?

The Form 4 is indicated as being filed by one reporting person, covering the holdings and transaction of Shannon Heim.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 01/20/2026 - 09:54 AM Learn about SEC filing dates

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
Estimated average burden
hours per response:			0.5

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^*

Heim Shannon

(Last) (First) (Middle)

208 N. MONTANA AVE.

SUITE 200

(Street)

HELENA MT 59601

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP and General Counsel

3. Date of Earliest Transaction (Month/Day/Year)
01/15/2026

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	01/15/2026		F		442	D	$64.54	7,195	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:

Remarks:

	Emily L. Folsom, by power of attorney	01/20/2026
	** 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.