Knife River director granted 2,040 RSUs

MOSS PATRICIA L reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

MOSS PATRICIA L reported acquisition or exercise transactions in this Form 4 filing.

Knife River Corp director Patricia L. Moss received a grant of 2,040 restricted stock units (RSUs) of common stock. The award was reported at a price of $0.00 per unit, reflecting compensation rather than a market purchase. Following this grant, Moss directly holds 31,874 shares or share-equivalent units.

The RSUs vest on the day immediately prior to the date of the next Knife River annual meeting of stockholders after the grant date, provided she continues serving on the board through that vesting date. Each RSU represents the right to receive one share of Knife River common stock.

Insider Trade Summary

Grant/Award: 2,040 shares

Grant/Award 1 txn

Insider MOSS PATRICIA L

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,040	$0.00	$0.00

Holdings After Transaction: Common Stock — 31,874 shares (Direct)

Footnotes (1)

1. F1. Represents restricted stock units (RSUs) that vest on the day immediately prior to the date of the next Knife River Corporation (the "issuer") annual meeting of stockholders occurring after the date of grant and subject to the reporting person continuing in service on the board of directors of the issuer through such vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

Key Figures

RSU grant size: 2,040 shares Grant price: $0.00 per share Holdings after grant: 31,874 shares

3 metrics

RSU grant size 2,040 shares Restricted stock units awarded to director Patricia L. Moss

Grant price $0.00 per share Reported transaction price for RSU award

Holdings after grant 31,874 shares Total direct holdings following RSU grant

Key Terms

restricted stock units (RSUs), annual meeting of stockholders, contingent right

3 terms

restricted stock units (RSUs) financial

"Represents restricted stock units (RSUs) that vest on the day immediately prior..."

Restricted stock units (RSUs) are a type of company promise to give employees shares of stock in the future, usually after certain conditions like working for a set time. They are like a gift promised today that you receive later, which can become valuable if the company's stock price goes up. RSUs matter because they are a way companies reward employees and can be a significant part of compensation.

annual meeting of stockholders financial

"...on the day immediately prior to the date of the next Knife River Corporation annual meeting of stockholders..."

contingent right financial

"Each RSU represents the contingent right to receive one share of the issuer's common stock."

FAQ

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

What did Knife River (KNF) director Patricia L. Moss report on this Form 4?

Director Patricia L. Moss reported receiving 2,040 restricted stock units (RSUs) of Knife River common stock. The grant was recorded at $0.00 per unit as part of director compensation, increasing her direct holdings to 31,874 shares or share-equivalent units after the transaction.

How many Knife River (KNF) RSUs were granted to Patricia L. Moss and at what price?

Patricia L. Moss was granted 2,040 restricted stock units (RSUs) of Knife River common stock. The RSUs were reported with a transaction price of $0.00 per share, indicating an award of equity compensation rather than an open-market stock purchase.

When do Patricia L. Moss’s Knife River (KNF) RSUs vest?

The RSUs granted to Patricia L. Moss vest on the day immediately prior to the date of the next Knife River annual stockholder meeting after the grant. Vesting is conditioned on her continued service on the company’s board of directors through that vesting date.

What does each Knife River (KNF) RSU granted to Patricia L. Moss represent?

Each RSU granted to Patricia L. Moss represents a contingent right to receive one share of Knife River common stock. Once the vesting conditions are satisfied, the RSUs convert into an equivalent number of common shares deliverable to the reporting person.

What are Patricia L. Moss’s Knife River (KNF) holdings after this RSU grant?

After receiving the 2,040 RSU grant, Patricia L. Moss directly holds 31,874 shares or share-equivalent units of Knife River common stock. This figure includes the newly awarded RSUs as part of her overall equity position reported in the Form 4 filing.

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

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Accepted by SEC EDGAR 05/21/2026 - 05:13 PM EDT 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^*

MOSS PATRICIA L

(Last) (First) (Middle)

1150 WEST CENTURY AVENUE

(Street)

BISMARCK NORTH DAKOTA 58503

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Knife River Corp [ KNF ]

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)
05/20/2026

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	05/20/2026		A		2,040(1)	A	$0.0000	31,874	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. Represents restricted stock units (RSUs) that vest on the day immediately prior to the date of the next Knife River Corporation (the "issuer") annual meeting of stockholders occurring after the date of grant and subject to the reporting person continuing in service on the board of directors of the issuer through such vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

	/s/ Karl A. Liepitz, Power of Attorney	05/21/2026
	** 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)