MTDR

mtdr-202602240001520006false00015200062026-02-242026-02-24

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 24, 2026

Matador Resources Company (Exact name of registrant as specified in its charter)

Texas 001-35410 27-4662601 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

5400 LBJ Freeway, Suite 150075240 Dallas, Texas (Address of principal executive offices)(Zip Code)

Registrant’s telephone number, including area code: (972) 371-5200 Not Applicable (Former name or former address, if changed since last report)

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 Common Stock, par value $0.01 per shareMTDRNew 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.  ☐

Item 2.02Results of Operations and Financial Condition.

Attached hereto as Exhibit 99.1 is a press release (the “Earnings Press Release”) issued by Matador Resources Company (the “Company”) on February 24, 2026, announcing its financial results for the three and twelve months ended December 31, 2025. The Earnings Press Release includes an operational update at February 24, 2026 and 2026 operating plan and market guidance. The Earnings Press Release is incorporated by reference into this Item 2.02, and the foregoing description of the Earnings Press Release is qualified in its entirety by reference to this exhibit.

The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and will not be incorporated by reference into any filing under the Securities Act of 1933, as amended (the “Securities Act”), unless specifically identified therein as being incorporated therein by reference.

In the Earnings Press Release, the Company has included certain “non-GAAP financial measures,” as defined in Item 10 of Regulation S-K of the Exchange Act, including (i) earnings before interest expense, income taxes, depletion, depreciation and amortization, accretion of asset retirement obligations, property impairments, unrealized derivative gains and losses, non-recurring transaction costs for certain acquisitions, certain other non-cash items and non-cash stock-based compensation expense, and net gain or loss on asset sales and impairment (“Adjusted EBITDA”) attributable to Matador Resources Company shareholders, (ii) the Adjusted EBITDA of San Mateo Midstream, LLC, the Company’s midstream affiliate (“San Mateo”), (iii) combined Adjusted EBITDA of San Mateo and the Company’s wholly-owned midstream assets, (iv) adjusted net income attributable to Matador Resources Company shareholders, (v) adjusted earnings per diluted common share attributable to Matador Resources Company shareholders, (vi) adjusted free cash flow of both the Company and San Mateo and (vii) present value discounted at 10% (pre-tax) of estimated total proved reserves. In the Earnings Press Release, the Company has provided reconciliations of the non-GAAP financial measures to the most directly comparable financial measures calculated and presented in accordance with generally-accepted accounting principles (“GAAP”) in the United States. In addition, in the Earnings Press Release, the Company has provided the reasons why the Company believes such non-GAAP financial measures provide useful information to investors.

Item 7.01Regulation FD Disclosure.

Item 2.02 above is incorporated herein by reference.

In connection with the Earnings Pre

mtdr-202510210001520006false00015200062024-07-232024-07-23

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 21, 2025

Matador Resources Company (Exact name of registrant as specified in its charter)

Texas 001-35410 27-4662601 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

5400 LBJ Freeway, Suite 150075240 Dallas, Texas (Address of principal executive offices)(Zip Code)

Registrant’s telephone number, including area code: (972) 371-5200 Not Applicable (Former name or former address, if changed since last report)

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 Common Stock, par value $0.01 per shareMTDRNew 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.  ☐

Item 2.02Results of Operations and Financial Condition.

Attached hereto as Exhibit 99.1 is a press release (the “Press Release”) issued by Matador Resources Company (the “Company”) on October 21, 2025, announcing its financial results for the three and nine months ended September 30, 2025 and updating full year 2025 guidance. The Press Release is incorporated by reference into this Item 2.02, and the foregoing description of the Press Release is qualified in its entirety by reference to this exhibit. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and will not be incorporated by reference into any filing under the Securities Act of 1933, as amended (the “Securities Act”), unless specifically identified therein as being incorporated therein by reference. In the Press Release, the Company has included certain “non-GAAP financial measures,” as defined in Item 10 of Regulation S-K of the Exchange Act, including (i) earnings before interest expense, income taxes, depletion, depreciation and amortization, accretion of asset retirement obligations, property impairments, unrealized derivative gains and losses, non-recurring transaction costs for certain acquisitions, certain other non-cash items and non-cash stock-based compensation expense, and net gain or loss on asset sales and impairment (“Adjusted EBITDA”) attributable to Matador Resources Company shareholders, (ii) Adjusted EBITDA of San Mateo Midstream, LLC, the Company’s midstream affiliate (“San Mateo”), (iii) adjusted net income attributable to Matador Resources Company shareholders, (iv) adjusted earnings per diluted common share attributable to Matador Resources Company shareholders and (v) adjusted free cash flow of both the Company and San Mateo. In the Press Release, the Company has provided reconciliations of the non-GAAP financial measures to the most directly comparable financial measures calculated and presented in accordance with generally-accepted accounting principles (“GAAP”) in the United States. In addition, in the Press Release, the Company has provided the reasons why the Company believes such non-GAAP financial measures provide useful information to investors.

Item 7.01Regulation FD Disclosure.

Item 2.02 above is incorporated herein by reference. In connection with the Press Release, the Company released a presentation summarizing the highlights of the Press Release (the “Presentation”). The Presentation is available on the Company’s website, www.matadorresources.com, on the Events and Presentations page under the Investor Relations tab. The information furnished pursuant to this Item 7.01, including E

mtdr-202507220001520006false00015200062024-07-232024-07-23

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 22, 2025

Matador Resources Company (Exact name of registrant as specified in its charter)

Texas 001-35410 27-4662601 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employer Identification No.)

5400 LBJ Freeway, Suite 150075240 Dallas, Texas (Address of principal executive offices)(Zip Code)

Registrant’s telephone number, including area code: (972) 371-5200 Not Applicable (Former name or former address, if changed since last report)

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 Common Stock, par value $0.01 per shareMTDRNew 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.  ☐

Item 2.02Results of Operations and Financial Condition.

Attached hereto as Exhibit 99.1 is a press release (the “Press Release”) issued by Matador Resources Company (the “Company”) on July 22, 2025, announcing its financial results for the three months ended June 30, 2025 and updating full year 2025 guidance. The Press Release is incorporated by reference into this Item 2.02, and the foregoing description of the Press Release is qualified in its entirety by reference to this exhibit. The information furnished pursuant to this Item 2.02, including Exhibit 99.1, shall not be deemed to be “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and will not be incorporated by reference into any filing under the Securities Act of 1933, as amended (the “Securities Act”), unless specifically identified therein as being incorporated therein by reference. In the Press Release, the Company has included certain “non-GAAP financial measures,” as defined in Item 10 of Regulation S-K of the Exchange Act, including (i) earnings before interest expense, income taxes, depletion, depreciation and amortization, accretion of asset retirement obligations, property impairments, unrealized derivative gains and losses, non-recurring transaction costs for certain acquisitions, certain other non-cash items and non-cash stock-based compensation expense, and net gain or loss on asset sales and impairment (“Adjusted EBITDA”) attributable to Matador Resources Company shareholders, (ii) Adjusted EBITDA of San Mateo Midstream, LLC, the Company’s midstream affiliate (“San Mateo”), (iii) adjusted net income attributable to Matador Resources Company shareholders, (iv) adjusted earnings per diluted common share attributable to Matador Resources Company shareholders and (v) adjusted free cash flow of both the Company and San Mateo. In the Press Release, the Company has provided reconciliations of the non-GAAP financial measures to the most directly comparable financial measures calculated and presented in accordance with generally-accepted accounting principles (“GAAP”) in the United States. In addition, in the Press Release, the Company has provided the reasons why the Company believes such non-GAAP financial measures provide useful information to investors.

Item 7.01Regulation FD Disclosure.

Item 2.02 above is incorporated herein by reference. In connection with the Press Release, the Company released a presentation summarizing the highlights of the Press Release (the “Presentation”). The Presentation is available on the Company’s website, www.matadorresources.com, on the Events and Presentations page under the Investor Relations tab. The information furnished pursuant to this Item 7.01, including Exhibit 99.1, shall n