Form 8-K
8-K — Matador Resources Co
Accession: 0001520006-26-000008
Filed: 2026-04-27
Period: 2026-04-21
CIK: 0001520006
SIC: 1311 (CRUDE PETROLEUM & NATURAL GAS)
Item: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
Item: Regulation FD Disclosure
Item: Financial Statements and Exhibits
Documents
8-K — mtdr-20260421.htm (Primary)
EX-99.1 (a20260427mtdr8-kexhibit991.htm)
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8-K
8-K (Primary)
Filename: mtdr-20260421.htm · Sequence: 1
mtdr-20260421
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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) April 21, 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 1500 75240
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 class Trading symbol(s) Name of each exchange on which registered
Common Stock, par value $0.01 per share MTDR New 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 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
Matador Resources Company (the “Company”) today announced the promotion of Christopher P. Calvert to Executive Vice President and Chief Financial Officer and Glenn W. Stetson to Executive Vice President and Chief Operating Officer, each effective as of April 21, 2026.
Mr. Calvert joined the Company in October 2014 and most recently served as the Company’s Executive Vice President and Chief Operating Officer. Mr. Stetson joined the Company in August 2014 and most recently served as the Company’s Executive Vice President – Production. Mr. Calvert will assume the role of principal financial officer from Robert T. Macalik, who ceased serving as Chief Financial Officer on April 21, 2026. Mr. Macalik’s cessation of service as Chief Financial Officer is not related to any financial or accounting issue or any disagreement with the Company on any matter relating to the Company’s operations, policies or practices.
The biographical information regarding Messrs. Calvert and Stetson disclosed in the Company’s Definitive Proxy Statement on Schedule 14A, filed with the Securities and Exchange Commission on April 28, 2025, under the heading “Executive Officers and Other Senior Officers of the Company”, is incorporated herein by reference.
Item 7.01 Regulation FD Disclosure.
Attached hereto as Exhibit 99.1 is a press release issued by the Company on April 27, 2026, announcing the promotions of Messrs. Calvert and Stetson.
The information furnished pursuant to this Item 7.01, 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, and will not be incorporated by reference into any filing under the Securities Act of 1933, as amended, unless specifically identified therein as being incorporated therein by reference.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits
Exhibit No. Description of Exhibit
99.1
Press Release, dated April 27, 2026.
104 Cover Page Interactive Data File, formatted in Inline XBRL (included as Exhibit 101).
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.
MATADOR RESOURCES COMPANY
Date: April 27, 2026 By: /s/ Bryan A. Erman
Name: Bryan A. Erman
Title: Co-President
EX-99.1
EX-99.1
Filename: a20260427mtdr8-kexhibit991.htm · Sequence: 2
Document
MATADOR RESOURCES COMPANY ANNOUNCES LEADERSHIP PROMOTIONS
DALLAS, Texas, April 27, 2026 -- Matador Resources Company (NYSE: MTDR) (“Matador”) today announced the following promotions, effective as of April 21, 2026:
•Christopher P. Calvert has been promoted to Executive Vice President and Chief Financial Officer
•Glenn W. Stetson has been promoted to Executive Vice President and Chief Operating Officer
These promotions will further strengthen Matador’s continued focus on execution, efficiency and long-term value creation.
Mr. Calvert and Mr. Stetson each have over ten years of experience leading departments at Matador and approximately 20 years of industry experience. Both have served on and been key members of Matador’s Executive Committee. Mr. Calvert joined Matador in October 2014 and most recently served as our Executive Vice President and Chief Operating Officer. Mr. Stetson joined Matador in August 2014 and most recently served as our Executive Vice President – Production. Mr. Calvert will assume the role of Chief Financial Officer from Robert T. Macalik, who ceased serving as Chief Financial Officer on April 21, 2026. Mr. Macalik’s cessation of service as Chief Financial Officer is not related to any financial or accounting issue or any disagreement with Matador on any matter relating to Matador’s operations, policies or practices.
Joseph Wm. Foran, Matador’s Founder, Chairman and Chief Executive Officer, stated, “I would like to congratulate Chris and Glenn on their well-deserved promotions. Chris and Glenn have both operational and leadership experience, and they have been large contributors to Matador’s growth since joining us in 2014. Chris’s operational and business experience and technical knowledge, combined with his relationships with our various staff members, shareholders, bondholders, analyst community and bank group, uniquely position him to head our finance team as Chief Financial Officer. Glenn has consistently demonstrated his skill in identifying and developing a team focused on delivering record results for Matador’s various operations and midstream activities under his purview, and he will continue to cultivate that focus as Chief Operating Officer.”
About Matador Resources Company
Matador is an independent energy company engaged in the exploration, development, production and acquisition of oil and natural gas resources in the United States, with an emphasis on oil and natural gas shale and other unconventional plays. Its current operations are focused primarily on the oil and liquids-rich portion of the Wolfcamp and Bone Spring plays in the Delaware Basin in Southeast New Mexico and West Texas. Matador also operates in the Haynesville shale and Cotton Valley plays in Northwest Louisiana. Additionally, Matador conducts midstream operations in support of its exploration, development and production operations and provides natural gas processing, oil transportation services, natural gas, oil and produced water gathering services and produced water disposal services to third parties.
For more information, visit Matador Resources Company at www.matadorresources.com.
Contact Information
Mac Schmitz
Senior Vice President - Investor Relations
(972) 371-5225
1
investors@matadorresources.com
2
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