Knife River (KNF) COO awarded 6,130 RSUs vesting in 2028

Rhea-AI Filing Summary

Knife River Corp reported that Vice President & COO Trevor J. Hastings acquired 6,130 shares of common stock in the form of restricted stock units (RSUs) on March 4, 2026. The RSUs vest on December 31, 2028, provided he remains employed by the company on that date, and each RSU represents the right to receive one share of common stock.

After this grant, Hastings directly held 46,760 shares of common stock. He also had an indirect interest in 1,484.1909 shares of common stock through a 401(k) plan held by a trustee, with the share count subject to daily fluctuations based on plan activity.

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

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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^*

Hastings Trevor J

(Last) (First) (Middle)

1150 WEST CENTURY AVENUE

(Street)

BISMARCK ND 58503

(City) (State) (Zip)

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Vice President & COO

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026

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	03/04/2026		A		6,130(1)	A	$0.0000	46,760	D
Common Stock - 401(k)(2)								1,484.1909	I	By Trustee

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 December 31, 2028, provided that the reporting person remains employed by the issuer as of the vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

2. As of the most recent quarter end, the number of shares may fluctuate daily depending on plan activity in the fund.

	/s/ Karl A. Liepitz, Power of Attorney	03/05/2026
	** 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.

FAQ

What insider transaction did Knife River Corp (KNF) report for Trevor J. Hastings?

Knife River Corp reported that Vice President & COO Trevor J. Hastings received 6,130 restricted stock units on March 4, 2026. These RSUs are contingent share awards that convert into common stock if specific service-based vesting conditions are met by the vesting date.

When do Trevor J. Hastings’ 6,130 Knife River (KNF) RSUs vest?

The 6,130 restricted stock units granted to Trevor J. Hastings vest on December 31, 2028, if he remains employed by Knife River Corp through that date. Upon vesting, each RSU entitles him to receive one share of the company’s common stock.

How many Knife River (KNF) shares does Trevor J. Hastings hold after this Form 4 filing?

Following the RSU grant reported on the Form 4, Trevor J. Hastings held 46,760 shares of Knife River Corp common stock directly. He also had an indirect interest in 1,484.1909 shares through a 401(k) plan account held by a trustee.

What does the Knife River (KNF) Form 4 say about Hastings’ 401(k) holdings?

The Form 4 notes that 1,484.1909 shares of Knife River common stock are held indirectly for Trevor J. Hastings in a 401(k) plan by a trustee. The filing explains this share amount may fluctuate daily based on activity within the plan’s investment fund.

Are Trevor J. Hastings’ new Knife River (KNF) shares from a purchase or an award?

The new 6,130 Knife River units reported for Trevor J. Hastings are an award, coded as a grant or other acquisition. They are restricted stock units, not open-market purchases, and each unit represents a contingent right to receive one share upon vesting.