WHD

whd-20260225FALSE000169913600016991362026-02-252026-02-25

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 25, 2026

Cactus, Inc. (Exact name of registrant as specified in its charter)

Delaware001-3839035-2586106 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

920 Memorial City Way, Suite 300 Houston, Texas 77024 (Address of principal executive offices) (Zip Code)

(713) 626-8800 (Registrant’s telephone number, including area code)

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 classTrading Symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.01WHDNew 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 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). 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. ☐

1

Item 2.02 Results of Operations and Financial Condition.

The following information is furnished pursuant to Item 2.02.

On February 25, 2026, Cactus, Inc. issued a press release announcing its results for the fourth quarter and full year ended December 31, 2025. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

The information being furnished pursuant to this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On February 22, 2026, Melissa Law, a director of Cactus, Inc. (the “Company”), advised the Company that she will not stand for re-election at the Company’s 2026 Annual Meeting of Stockholders. Ms. Law’s decision not to stand for re-election is not due to any disagreement with the Company on any matter relating to the Company's operations, policies or practices. The Company’s Board of Directors is currently considering candidates identified as part of its director succession planning activities to replace Ms. Law as a nominee for director at the Company’s 2026 Annual Meeting of Stockholders.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.Description 99.1Press Release of Cactus, Inc. dated February 25, 2026

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

Signatures

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.

Cactus, Inc.

February 25, 2026 By:/s/ Jay A. Nutt DateName:Jay A. Nutt Title:Executive Vice President and Chief Financial Officer

3

whd-20251029FALSE000169913600016991362025-10-292025-10-29

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): October 29, 2025

Cactus, Inc. (Exact name of registrant as specified in its charter)

Delaware001-3839035-2586106 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

920 Memorial City Way, Suite 300 Houston, Texas 77024 (Address of principal executive offices) (Zip Code)

(713) 626-8800 (Registrant’s telephone number, including area code)

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 classTrading Symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.01WHDNew 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 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). 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. ☐

1

Item 2.02 Results of Operations and Financial Condition.

The following information is furnished pursuant to Item 2.02.

On October 29, 2025, Cactus, Inc. (the “Company”) issued a press release announcing its results for the third quarter ended September 30, 2025. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated in this Item 2.02 by reference.

The information being furnished pursuant to this Item 2.02 of this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.Description 99.1Press Release of Cactus, Inc. dated October 29, 2025

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

Signatures

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.

Cactus, Inc.

October 29, 2025 By:/s/ Jay A. Nutt DateName:Jay A. Nutt Title:Executive Vice President, Chief Financial Officer and Treasurer

3

whd-20250730FALSE000169913600016991362025-07-302025-07-30

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): July 30, 2025

Cactus, Inc. (Exact name of registrant as specified in its charter)

Delaware001-3839035-2586106 (State or other jurisdiction of incorporation)(Commission File Number)(I.R.S. Employer Identification No.)

920 Memorial City Way, Suite 300 Houston, Texas 77024 (Address of principal executive offices) (Zip Code)

(713) 626-8800 (Registrant’s telephone number, including area code)

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 classTrading Symbol(s)Name of each exchange on which registered Class A Common Stock, par value $0.01WHDNew 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 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). 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. ☐

1

Item 2.02 Results of Operations and Financial Condition.

The following information is furnished pursuant to Item 2.02.

On July 30, 2025, Cactus, Inc. (the “Company”) issued a press release announcing its results for the second quarter ended June 30, 2025. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated in this Item 2.02 by reference.

The information being furnished pursuant to this Item 2.02 of this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.Description 99.1Press Release of Cactus, Inc. dated July 30, 2025

104Cover Page Interactive Data File (embedded within the Inline XBRL document)

2

Signatures

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.

Cactus, Inc.

July 30, 2025 By:/s/ Jay A. Nutt DateName:Jay A. Nutt Title:Executive Vice President, Chief Financial Officer and Treasurer

3