Matador Resources Co
For the period ended Jun 30, 2026. Filed Aug 7, 2026.
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Jun 30, 2026 · Filed Aug 7, 2026
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Item 5. Other Information
Insider Trading Plans
During the three months ended June 30, 2026, no director or officer (as defined in Rule 16a-1(f) under the Exchange Act) of the Company adopted, modified orterminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K.
Disclosure Pursuant to Item 5.02 of Form 8-K – Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers
On August 3, 2026, Brian J. Willey, Executive Vice President – Midstream, informed the Company of his decision to resign from his roles at the Company and San Mateo, effective as of September 2, 2026. Aspects of Mr. Willey’s role, including Mr. Willey’s leadership role at San Mateo, will be assumed primarily by Glenn W. Stetson, Executive Vice President and Chief Operating Officer of the Company, and Sean T. O’Grady, Senior Vice President and Chief Operating Officer of San Mateo. Mr. Willey’s resignation is not related to any disagreement with the Company on any matter relating to the Company, including its strategic priorities for San Mateo.
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