Knife River VP covers taxes with share withholding

Knife River Corp executive Glenn R. Pladsen reported share dispositions tied to tax withholding on equity awards.

Rhea-AI Filing Summary

Knife River Corp executive Glenn R. Pladsen reported share dispositions tied to tax withholding on equity awards. On February 12, 2026, he had two Form 4 code F transactions in Knife River common stock, where 1,385 shares and 1,569 shares were withheld at $81.74 per share to satisfy tax obligations upon restricted stock unit vesting.

After these tax-withholding dispositions, Pladsen directly beneficially owned 19,144 shares of Knife River common stock. He also had an indirect 401(k) position of 3,485.5224 shares held by a trustee, with that balance noted as potentially fluctuating daily based on plan activity.

Insider Trade Summary

Exercise Price or Tax Liability: 2,954 shares

Exercise Price or Tax Liability 3 txns

Insider Pladsen Glenn R.

Role VP & Chief Excellence Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	1,385	$81.74	$113K
Exercise Price or Tax Liability	Common Stock	1,569	$81.74	$128K
holding	Common Stock - 401(k)	--	--	--

Holdings After Transaction: Common Stock — 19,144 shares (Direct); Common Stock - 401(k) — 3,485.5224 shares (Indirect, By Trustee)

Footnotes (2)

1. F1. Represents shares withheld by issuer to cover tax withholding obligations upon vesting of a restricted stock unit award.
2. F2. As of the most recent quarter end, the number of shares may fluctuate daily depending on plan activity in the fund.

FAQ

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

What insider transaction did Knife River (KNF) report for Glenn R. Pladsen?

Knife River reported that Glenn R. Pladsen had shares withheld to cover taxes on restricted stock unit vesting. Two code F transactions on common stock involved shares delivered back to the issuer for tax obligations rather than open-market sales.

How many Knife River shares were used for Glenn R. Pladsen’s tax withholding?

Two separate transactions withheld 1,385 and 1,569 Knife River common shares to satisfy tax obligations. The shares were valued at $81.74 per share in each transaction, according to the Form 4 filing’s non-derivative transaction table.

What is Glenn R. Pladsen’s Knife River share ownership after the reported transactions?

After the reported tax-withholding dispositions, Glenn R. Pladsen directly beneficially owned 19,144 Knife River common shares. The Form 4 also shows an indirect 401(k) holding of 3,485.5224 shares held by a trustee, which may fluctuate with plan activity.

What does transaction code F mean in the Knife River Form 4 for Glenn R. Pladsen?

Transaction code F in the filing indicates payment of tax liability or exercise price using securities. For Glenn R. Pladsen, it reflects shares withheld by Knife River to cover tax withholding obligations when a restricted stock unit award vested.

How are Glenn R. Pladsen’s 401(k) shares in Knife River reported?

The Form 4 lists 3,485.5224 Knife River shares held in a 401(k) as indirect ownership, labeled “By Trustee.” A footnote explains this balance is as of the most recent quarter end and may change daily depending on activity within the plan’s fund.

What is Glenn R. Pladsen’s role at Knife River in this Form 4 filing?

The Form 4 identifies Glenn R. Pladsen as an officer of Knife River, serving as VP & Chief Excellence Officer. The filing is made by one reporting person and covers his beneficial ownership and tax-withholding share dispositions in Knife River common stock.

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

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Accepted by SEC EDGAR 02/17/2026 - 04:38 PM EST 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^*

Pladsen Glenn R.

(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)
	VP & Chief Excellence Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/12/2026

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	02/12/2026		F		1,385(1)	D	$81.74	20,713	D
Common Stock	02/12/2026		F		1,569(1)	D	$81.74	19,144	D
Common Stock - 401(k)(2)								3,485.5224	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 shares withheld by issuer to cover tax withholding obligations upon vesting of a restricted stock unit award.

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	02/17/2026
	** 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.
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