NorthWestern Energy Group (NWE) awards stock grant to director Linda G. Sullivan

Rhea-AI Filing Summary

NorthWestern Energy Group, Inc. director Linda G. Sullivan received a grant of 768 shares of common stock on July 9, 2026, as a third quarter 2026 stock grant under the compensation rate schedule for non-employee directors. Following this award, she directly holds 34,586 shares, which include shares acquired through dividend reinvestment.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Sullivan Linda G

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	768	$71.62	$55K

Holdings After Transaction: Common Stock — 34,586 shares (Direct)

Footnotes (1)

1. Third quarter stock grant for 2026 received pursuant to the NorthWestern Energy Group, Inc. compensation rate schedule for non-employee directors. Includes shares acquired from dividend reinvestment.

Key Figures

Shares Granted: 768 shares Reference Price: $71.62 per share Shares Owned After Grant: 34,586 shares

3 metrics

Shares Granted 768 shares Third quarter 2026 stock grant to non-employee director on July 9, 2026

Reference Price $71.62 per share Reported transaction price per share for the July 9, 2026 grant

Shares Owned After Grant 34,586 shares Total direct common stock holdings of Linda G. Sullivan after the transaction

Key Terms

dividend reinvestment, non-employee directors, compensation rate schedule, Grant, award, or other acquisition

4 terms

dividend reinvestment financial

"Includes shares acquired from dividend reinvestment."

Dividend reinvestment is when the money earned from a company's profit sharing, called dividends, is automatically used to buy more shares of that company instead of being received as cash. This process helps investors grow their holdings over time without extra effort, much like using earned interest to buy more of a savings account. It encourages long-term investment growth by continuously increasing the amount of shares owned.

non-employee directors financial

"compensation rate schedule for non-employee directors."

Non-employee directors are board members who do not work for the company as salaried employees and usually do not hold day-to-day management roles. They act like outside referees or independent coaches, providing oversight, asking tough questions, and protecting shareholders’ interests; investors care because these directors help ensure management is accountable, reduce conflicts of interest, and influence decisions that affect company strategy and long-term value.

compensation rate schedule financial

"pursuant to the NorthWestern Energy Group, Inc. compensation rate schedule"

Grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

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Available on EDGAR 07/13/2026 - 11:22 AM Accepted by SEC EDGAR 07/13/2026 - 11:22 AM Learn about SEC filing dates

FAQ

What insider transaction did NorthWestern Energy Group (NWE) report for Linda G. Sullivan?

NorthWestern Energy Group reported that director Linda G. Sullivan received a grant of 768 shares of common stock on July 9, 2026. The award was part of the company’s compensation schedule for non-employee directors.

How many NorthWestern Energy Group (NWE) shares does Linda G. Sullivan own after the latest grant?

After the July 9, 2026 stock grant, Linda G. Sullivan directly holds 34,586 shares of NorthWestern Energy Group common stock. This total includes shares that were acquired through dividend reinvestment.

What was the size and reference price of Linda G. Sullivan’s July 2026 stock award at NWE?

The July 9, 2026 award to Linda G. Sullivan was for 768 shares of NorthWestern Energy Group common stock, with a reporting reference price of $71.62 per share. The transaction is classified as a grant or award acquisition.

Is Linda G. Sullivan’s NorthWestern Energy (NWE) stock acquisition an open-market purchase?

No. The filing classifies the transaction as a grant or award acquisition under code A, not an open-market purchase. It represents a third quarter 2026 stock grant for a non-employee director under the company’s compensation schedule.

Does Linda G. Sullivan’s reported NWE holding include dividend reinvestment shares?

Yes. A footnote states her holding includes shares acquired from dividend reinvestment. The total direct ownership reported after the July 9, 2026 grant is 34,586 shares of NorthWestern Energy Group common stock.

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^*

Sullivan Linda G

(Last) (First) (Middle)

3010 W 69TH STREET

(Street)

SIOUX FALLS SOUTH DAKOTA 57108

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/09/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	07/09/2026		A		768(1)	A	$71.62	34,586(2)	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. Third quarter stock grant for 2026 received pursuant to the NorthWestern Energy Group, Inc. compensation rate schedule for non-employee directors.

2. Includes shares acquired from dividend reinvestment.

Remarks:

	Emily L. Folsom, by power of attorney	07/09/2026
	** 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.
* Form 4: SEC 1474 (03-26)