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AI Earnings Predictions for Knife Riv Holding Co. (KNF)

Machine learning predictions based on historical earnings data and price patterns

Latest Prediction

BUY

1-Day Prediction

+0.95%

$94.86

100% positive prob.

5-Day Prediction

+5.80%

$99.42

100% positive prob.

20-Day Prediction

+2.50%

$96.32

95% positive prob.

Price at prediction: $93.97 Confidence: 100.0% Model AUC: 1.0000 Quarter: Q4 2025

Earnings Transcripts

SEC 8-K filings with transcript text

View All
2025
Q4

Q4 2025 Earnings

8-K BUY

Feb 17, 2026 · 100% conf.

AI Prediction BUY

1D

+0.95%

$94.86

Act: -3.46%

5D

+5.80%

$99.42

Act: -5.35%

20D

+2.50%

$96.32

Act: -11.57%

Price: $93.97 Prob +5D: 100% AUC: 1.000
0001628280-26-008306

knf-202602170001955520false00019555202026-02-172026-02-17

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES

EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) February 17, 2026

Knife River Corporation (Exact name of registrant as specified in its charter)

(State or other jurisdiction of(Commission File Number)(I.R.S. Employer Identification No.) incorporation) Delaware1-4164292-1008893

1150 West Century Avenue P.O. Box 5568 Bismarck, North Dakota 58506-5568 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code (701) 530-1400

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

(Title of each class)(Trading Symbol(s))(Name of each exchange on which registered) Common Stock, $0.01 par valueKNFNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934. Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition and Item 7.01. Regulation FD Disclosure.

On February 17, 2026, Knife River Corporation (the "Company") issued a press release announcing fourth quarter and full year 2025 earnings. A copy of the press release, which the Company is furnishing to the Securities and Exchange Commission, is attached as Exhibit 99 and incorporated by reference herein.

Item 9.01. Financial Statements and Exhibits.

(d)    Exhibits.

Exhibit Number    Description 99    Press release issued February 17, 2026, regarding fourth quarter and full year 2025 earnings. 104    Cover page interactive data file (embedded within the Inline XBRL document)

2

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Knife River Corporation

Date February 17, 2026 By /s/ Nathan W. Ring

Nathan W. Ring Vice President and Chief Financial Officer

3

2025
Q3

Q3 2025 Earnings

8-K

Nov 4, 2025

0001955520-25-000065

knf-202511040001955520false00019555202025-11-042025-11-04

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES

EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) November 4, 2025

Knife River Corporation (Exact name of registrant as specified in its charter)

(State or other jurisdiction of(Commission File Number)(I.R.S. Employer Identification No.) incorporation) Delaware1-4164292-1008893

1150 West Century Avenue P.O. Box 5568 Bismarck, North Dakota 58506-5568 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code (701) 530-1400

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

(Title of each class)(Trading Symbol(s))(Name of each exchange on which registered) Common Stock, $0.01 par valueKNFNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934. Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition and Item 7.01. Regulation FD Disclosure.

On November 4, 2025, Knife River Corporation (the "Company") issued a press release announcing third quarter 2025 earnings. A copy of the press release, which the Company is furnishing to the Securities and Exchange Commission, is attached as Exhibit 99 and incorporated by reference herein.

Item 9.01. Financial Statements and Exhibits.

(d)    Exhibits.

Exhibit Number    Description 99    Press release issued November 4, 2025, regarding third quarter 2025 earnings. 104    Cover page interactive data file (embedded within the Inline XBRL document)

2

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Knife River Corporation

Date November 4, 2025 By /s/ Nathan W. Ring

Nathan W. Ring Vice President and Chief Financial Officer

3

2025
Q2

Q2 2025 Earnings

8-K

Aug 5, 2025

0001955520-25-000057

knf-202508050001955520false00019555202025-08-052025-08-05

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES

EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) August 5, 2025

Knife River Corporation (Exact name of registrant as specified in its charter)

(State or other jurisdiction of(Commission File Number)(I.R.S. Employer Identification No.) incorporation) Delaware1-4164292-1008893

1150 West Century Avenue P.O. Box 5568 Bismarck, North Dakota 58506-5568 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code (701) 530-1400

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

(Title of each class)(Trading Symbol(s))(Name of each exchange on which registered) Common Stock, $0.01 par valueKNFNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934. Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition and Item 7.01. Regulation FD Disclosure.

On August 5, 2025, Knife River Corporation (the "Company") issued a press release announcing second quarter 2025 earnings. A copy of the press release, which the Company is furnishing to the Securities and Exchange Commission, is attached as Exhibit 99 and incorporated by reference herein.

Item 9.01. Financial Statements and Exhibits.

(d)    Exhibits.

Exhibit Number    Description 99    Press release issued August 5, 2025, regarding second quarter 2025 earnings. 104    Cover page interactive data file (embedded within the Inline XBRL document)

2

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Knife River Corporation

Date August 5, 2025 By /s/ Nathan W. Ring

Nathan W. Ring Vice President and Chief Financial Officer

3

2025
Q1

Q1 2025 Earnings

8-K

May 6, 2025

0001955520-25-000031

knf-202505060001955520false00019555202025-05-062025-05-06

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES

EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) May 6, 2025

Knife River Corporation (Exact name of registrant as specified in its charter)

(State or other jurisdiction of(Commission File Number)(I.R.S. Employer Identification No.) incorporation) Delaware1-4164292-1008893

1150 West Century Avenue P.O. Box 5568 Bismarck, North Dakota 58506-5568 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code (701) 530-1400

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

(Title of each class)(Trading Symbol(s))(Name of each exchange on which registered) Common Stock, $0.01 par valueKNFNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934. Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition and Item 7.01. Regulation FD Disclosure.

On May 6, 2025, Knife River Corporation (the "Company") issued a press release announcing first quarter 2025 earnings. A copy of the press release, which the Company is furnishing to the Securities and Exchange Commission, is attached as Exhibit 99 and incorporated by reference herein.

Item 9.01. Financial Statements and Exhibits.

(d)    Exhibits.

Exhibit Number    Description 99    Press release issued May 6, 2025, regarding first quarter 2025 earnings. 104    Cover page interactive data file (embedded within the Inline XBRL document)

2

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Knife River Corporation

Date May 6, 2025 By /s/ Nathan W. Ring

Nathan W. Ring Vice President and Chief Financial Officer

3

2024
Q4

Q4 2024 Earnings

8-K

Feb 13, 2025

0001955520-25-000006

knf-202502130001955520false00019555202025-02-132025-02-13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES

EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) February 13, 2025

Knife River Corporation (Exact name of registrant as specified in its charter)

(State or other jurisdiction of(Commission File Number)(I.R.S. Employer Identification No.) incorporation) Delaware1-4164292-1008893

1150 West Century Avenue P.O. Box 5568 Bismarck, North Dakota 58506-5568 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code (701) 530-1400

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

(Title of each class)(Trading Symbol(s))(Name of each exchange on which registered) Common Stock, $0.01 par valueKNFNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934. Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition and Item 7.01. Regulation FD Disclosure.

On February 13, 2025, Knife River Corporation (the "Company") issued a press release announcing fourth quarter and full year 2024 earnings. A copy of the press release, which the Company is furnishing to the Securities and Exchange Commission, is attached as Exhibit 99 and incorporated by reference herein.

Item 9.01. Financial Statements and Exhibits.

(d)    Exhibits.

Exhibit Number    Description 99    Press release issued February 13, 2025, regarding fourth quarter and full year 2024 earnings. 104    Cover page interactive data file (embedded within the Inline XBRL document)

2

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Knife River Corporation

Date February 13, 2025 By /s/ Nathan W. Ring

Nathan W. Ring Vice President and Chief Financial Officer

3

2024
Q3

Q3 2024 Earnings

8-K

Nov 4, 2024

0001955520-24-000049

knf-202411040001955520false00019555202024-11-042024-11-04

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES

EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) November 4, 2024

Knife River Corporation (Exact name of registrant as specified in its charter)

(State or other jurisdiction of(Commission File Number)(I.R.S. Employer Identification No.) incorporation) Delaware1-4164292-1008893

1150 West Century Avenue P.O. Box 5568 Bismarck, North Dakota 58506-5568 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code (701) 530-1400

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

(Title of each class)(Trading Symbol(s))(Name of each exchange on which registered) Common Stock, $0.01 par valueKNFNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934. Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition and Item 7.01. Regulation FD Disclosure.

On November 4, 2024, Knife River Corporation (the "Company") issued a press release announcing third quarter 2024 earnings. A copy of the press release, which the Company is furnishing to the Securities and Exchange Commission, is attached as Exhibit 99 and incorporated by reference herein.

Item 9.01. Financial Statements and Exhibits.

(d)    Exhibits.

Exhibit Number    Description 99    Press release issued November 4, 2024, regarding third quarter earnings. 104    Cover page interactive data file (embedded within the Inline XBRL document)

2

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Knife River Corporation

Date November 4, 2024 By /s/ Nathan W. Ring

Nathan W. Ring Vice President and Chief Financial Officer

3

2024
Q2

Q2 2024 Earnings

8-K

Aug 6, 2024

0001955520-24-000037

knf-202408060001955520false00019555202024-08-062024-08-06

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES

EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) August 6, 2024

Knife River Corporation (Exact name of registrant as specified in its charter)

(State or other jurisdiction of(Commission File Number)(I.R.S. Employer Identification No.) incorporation) Delaware1-4164292-1008893

1150 West Century Avenue P.O. Box 5568 Bismarck, North Dakota 58506-5568 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code (701) 530-1400

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

(Title of each class)(Trading Symbol(s))(Name of each exchange on which registered) Common Stock, $0.01 par valueKNFNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934. Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition and Item 7.01. Regulation FD Disclosure.

On August 6, 2024, Knife River Corporation (the "Company") issued a press release announcing second quarter 2024 earnings. A copy of the press release, which the Company is furnishing to the Securities and Exchange Commission, is attached as Exhibit 99 and incorporated by reference herein.

Item 9.01. Financial Statements and Exhibits.

(d)    Exhibits.

Exhibit Number    Description 99    Press release issued August 6, 2024, regarding second quarter earnings. 104    Cover page interactive data file (embedded within the Inline XBRL document)

2

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Knife River Corporation

Date August 6, 2024 By /s/ Nathan W. Ring

Nathan W. Ring Vice President and Chief Financial Officer

3

2024
Q1

Q1 2024 Earnings

8-K

May 7, 2024

0001955520-24-000022

knf-202405070001955520false00019555202024-05-072024-05-07

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES

EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) May 7, 2024

Knife River Corporation (Exact name of registrant as specified in its charter)

(State or other jurisdiction of(Commission File Number)(I.R.S. Employer Identification No.) incorporation) Delaware1-4164292-1008893

1150 West Century Avenue P.O. Box 5568 Bismarck, North Dakota 58506-5568 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code (701) 530-1400

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

(Title of each class)(Trading Symbol(s))(Name of each exchange on which registered) Common Stock, $0.01 par valueKNFNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934. Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition and Item 7.01. Regulation FD Disclosure.

On May 7, 2024, Knife River Corporation (the "Company") issued a press release announcing first quarter 2024 earnings. A copy of the press release, which the Company is furnishing to the Securities and Exchange Commission, is attached as Exhibit 99 and incorporated by reference herein.

Item 9.01. Financial Statements and Exhibits.

(d)    Exhibits.

Exhibit Number    Description 99    Press release issued May 7, 2024, regarding first quarter earnings. 104    Cover page interactive data file (embedded within the Inline XBRL document)

2

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Knife River Corporation

Date May 7, 2024 By /s/ Nathan W. Ring

Nathan W. Ring Vice President and Chief Financial Officer

3

2023
Q4

Q4 2023 Earnings

8-K

Feb 15, 2024

0001955520-24-000003

knf-202402150001955520false00019555202024-02-152024-02-15

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES

EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) February 15, 2024

Knife River Corporation (Exact name of registrant as specified in its charter)

(State or other jurisdiction of(Commission File Number)(I.R.S. Employer Identification No.) incorporation) Delaware1-4164292-1008893

1150 West Century Avenue P.O. Box 5568 Bismarck, North Dakota 58506-5568 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code (701) 530-1400

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

(Title of each class)(Trading Symbol(s))(Name of each exchange on which registered) Common Stock, $0.01 par valueKNFNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934. Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition and Item 7.01. Regulation FD Disclosure.

On February 15, 2024, Knife River Corporation (the "Company") issued a press release announcing fourth quarter and full year 2023 earnings. A copy of the press release, which the Company is furnishing to the Securities and Exchange Commission, is attached as Exhibit 99 and incorporated by reference herein.

Item 9.01. Financial Statements and Exhibits.

(d)    Exhibits.

Exhibit Number    Description 99    Press release issued February 15, 2024, regarding fourth quarter and full year 2023 earnings. 104    Cover page interactive data file (embedded within the Inline XBRL document)

2

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Knife River Corporation

Date February 15, 2024 By /s/ Nathan W. Ring

Nathan W. Ring Vice President and Chief Financial Officer

3

2023
Q3

Q3 2023 Earnings

8-K

Nov 6, 2023

0001955520-23-000019

knf-202311060001955520false00019555202023-11-062023-11-06

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES

EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) November 6, 2023

Knife River Corporation (Exact name of registrant as specified in its charter)

(State or other jurisdiction of(Commission File Number)(I.R.S. Employer Identification No.) incorporation) Delaware1-4164292-1008893

1150 West Century Avenue P.O. Box 5568 Bismarck, North Dakota 58506-5568 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code (701) 530-1400

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

(Title of each class)(Trading Symbol(s))(Name of each exchange on which registered) Common Stock, $0.01 par valueKNFNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934. Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition and Item 7.01. Regulation FD Disclosure.

On November 6, 2023, Knife River Corporation (the "Company") issued a press release announcing third quarter 2023 earnings. A copy of the press release, which the Company is furnishing to the Securities and Exchange Commission, is attached as Exhibit 99 and incorporated by reference herein.

Item 9.01. Financial Statements and Exhibits.

(d)    Exhibits.

Exhibit Number    Description 99    Press release issued November 6, 2023, regarding third quarter 2023 earnings. 104    Cover page interactive data file (embedded within the Inline XBRL document)

2

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Knife River Corporation

Date November 6, 2023 By /s/ Nathan W. Ring

Nathan W. Ring Vice President and Chief Financial Officer

3

2023
Q2

Q2 2023 Earnings

8-K

Aug 8, 2023

0001955520-23-000010

knf-202308080001955520false00019555202023-08-082023-08-08

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES

EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) August 8, 2023

Knife River Corporation (Exact name of registrant as specified in its charter)

(State or other jurisdiction of(Commission File Number)(I.R.S. Employer Identification No.) incorporation) Delaware1-4164292-1008893

1150 West Century Avenue P.O. Box 5568 Bismarck, North Dakota 58506-5568 (Address of principal executive offices) (Zip Code)

Registrant’s telephone number, including area code (701) 530-1400

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

(Title of each class)(Trading Symbol(s))(Name of each exchange on which registered) Common Stock, $0.01 par valueKNFNew York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b-2 of the Securities Exchange Act of 1934. Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02. Results of Operations and Financial Condition and Item 7.01. Regulation FD Disclosure.

On August 8, 2023, Knife River Corporation (the "Company") issued a press release announcing second quarter 2023 earnings. A copy of the press release, which the Company is furnishing to the Securities and Exchange Commission, is attached as Exhibit 99 and incorporated by reference herein.

Item 9.01. Financial Statements and Exhibits.

(d)    Exhibits.

Exhibit Number    Description 99    Press release issued August 8, 2023, regarding second quarter 2023 earnings. 104    Cover page interactive data file (embedded within the Inline XBRL document)

2

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Knife River Corporation

Date August 8, 2023 By /s/ Nathan W. Ring

Nathan W. Ring Vice President and Chief Financial Officer

3

About Knife Riv Holding Co. (KNF) Earnings

This page provides Knife Riv Holding Co. (KNF) earnings call transcripts from SEC 8-K filings along with AI-powered predictions for post-earnings price movements. Our machine learning models analyze historical earnings data, pre-earnings price patterns, volume changes, and volatility to predict 1-day, 5-day, and 20-day returns after each earnings release.

Earnings transcripts are sourced directly from SEC EDGAR filings. Predictions are generated using gradient boosting models trained on KNF's historical earnings reactions. All predicted returns are shown as percentages, and predicted prices are calculated from the closing price at the time of prediction. Past performance does not guarantee future results.

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