Knife River VP Rebstock reports initial share holdings

Knife River Corp executive Peggy S. Rebstock, VP, CAO and Controller, filed an initial ownership report showing her holdings of the company’s common stock.

Rhea-AI Filing Summary

Knife River Corp executive Peggy S. Rebstock, VP, CAO and Controller, filed an initial ownership report showing her holdings of the company’s common stock. She directly owns 1,865 shares and indirectly holds 43 shares through a trust where she is both trustee and beneficiary. Footnotes also note unvested restricted stock units that may convert into additional shares if she remains employed through future vesting dates.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Rebstock Peggy S.

Role VP, CAO and Controller

Type	Security	Shares	Price	Value
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 1,865 shares (Direct); Common Stock — 43 shares (Indirect, By Trust)

Footnotes (2)

1. F1. Includes 484 restricted stock units (RSUs) that vest on December 31, 2026, 518 RSUs that vest on December 31, 2027, and 863 RSUs that vest on December 31, 2028, provided, in each case, that the reporting person remains employed by Knife River Corporation (the "issuer") as of the applicable vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.
2. F2. The reporting person is a trustee and beneficiary of the Peggy S. Rebstock Living Trust As Amended and Restated April 2, 2019. The reporting person has a pecuniary interest in these securities.

Key Figures

Direct common shares: 1,865 shares Indirect common shares via trust: 43 shares RSUs vesting 2026: 484 RSUs +2 more

5 metrics

Direct common shares 1,865 shares Total Knife River common stock held directly after reporting

Indirect common shares via trust 43 shares Knife River common stock held indirectly by Peggy S. Rebstock Living Trust

RSUs vesting 2026 484 RSUs Restricted stock units vesting on December 31, 2026, if still employed

RSUs vesting 2027 518 RSUs Restricted stock units vesting on December 31, 2027, if still employed

RSUs vesting 2028 863 RSUs Restricted stock units vesting on December 31, 2028, if still employed

Key Terms

restricted stock units (RSUs), contingent right, pecuniary interest, Living Trust

4 terms

restricted stock units (RSUs) financial

"Includes 484 restricted stock units (RSUs) that vest on December 31, 2026, 518 RSUs..."

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.

contingent right financial

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

pecuniary interest financial

"The reporting person has a pecuniary interest in these securities."

Living Trust financial

"Peggy S. Rebstock Living Trust As Amended and Restated April 2, 2019."

FAQ

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

What does Peggy S. Rebstock’s Form 3 for Knife River (KNF) show?

The Form 3 shows Peggy S. Rebstock’s initial ownership in Knife River common stock, including 1,865 shares held directly and 43 shares held indirectly through a trust where she is trustee and beneficiary.

How many Knife River (KNF) shares does Peggy S. Rebstock own directly and indirectly?

She holds 1,865 Knife River common shares directly and 43 shares indirectly via the Peggy S. Rebstock Living Trust. The trust position reflects her pecuniary interest as both trustee and beneficiary according to the filing footnotes.

What restricted stock units (RSUs) does Peggy S. Rebstock have at Knife River (KNF)?

Footnotes state she has 484 RSUs vesting on December 31, 2026, 518 RSUs vesting on December 31, 2027, and 863 RSUs vesting on December 31, 2028, each convertible into one share if she remains employed through the vesting date.

Does the Knife River (KNF) Form 3 show any recent insider buying or selling?

The Form 3 is an initial ownership report and does not show explicit buy or sell transactions. It lists Rebstock’s direct and indirect holdings and outstanding RSUs rather than recording new market purchases or sales.

How are trust-held Knife River (KNF) shares attributed in Peggy S. Rebstock’s Form 3?

The filing reports 43 Knife River shares as indirectly owned “By Trust” through the Peggy S. Rebstock Living Trust. A footnote explains she is both trustee and beneficiary and has a pecuniary interest in these securities.

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

Understanding Insider Trading Forms →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 05/21/2026 - 05:00 PM EDT Learn about SEC filing dates

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Rebstock Peggy S.

(Last) (First) (Middle)

1150 WEST CENTURY AVENUE

(Street)

BISMARCK NORTH DAKOTA 58503

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
05/21/2026

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

3a. Foreign Trading Symbol

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP, CAO and Controller

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	1,865(1)	D
Common Stock	43	I	By Trust(2)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Includes 484 restricted stock units (RSUs) that vest on December 31, 2026, 518 RSUs that vest on December 31, 2027, and 863 RSUs that vest on December 31, 2028, provided, in each case, that the reporting person remains employed by Knife River Corporation (the "issuer") as of the applicable vesting date. Each RSU represents the contingent right to receive one share of the issuer's common stock.

2. The reporting person is a trustee and beneficiary of the Peggy S. Rebstock Living Trust As Amended and Restated April 2, 2019. The reporting person has a pecuniary interest in these securities.

Remarks:

poarebstock.txt

	/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 5 (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 3: SEC 1473 (03-26)