secwatch / observer
MTDR Matador Resources Co
CIK 0001520006 17 ready 8-Ks latest May 06, 2026 23:59 UTC RSS · JSON
Ready 8-Ks 17
Latest filing May 06, 2026 23:59 UTC
Top materiality 0.85
Event mix earnings ×4 · leadership ×4 · dividend ×4
Sentiment 8 pos · 0 neg · 9 neu
Latest earnings reported 2026-Q1
Executive change recent →

Recent 8-K filings for MTDR

Executive changes

Role change

Bryan A. Erman

Co-President, Chief Legal Officer and Head of M&A
MTDR · Matador Resources Co
Effective
2025-06-11
Filed
Jun 13, 2025 23:59 UTC
Bryan A. Erman has been promoted to Co-President, Chief Legal Officer and Head of M&A of the Company.
Role change

William D. Lambert

Executive Vice President, Chief Financial Officer and Head of Strategy
MTDR · Matador Resources Co
Effective
2025-06-11
Filed
Jun 13, 2025 23:59 UTC
William D. Lambert has been promoted to Executive Vice President, Chief Financial Officer and Head of Strategy of the Company.
Role change

Benjamin T. Colodney

Vice President and Chief Accounting Officer
MTDR · Matador Resources Co
Effective
2025-06-11
Filed
Jun 13, 2025 23:59 UTC
Benjamin T. Colodney has been promoted to Vice President and Chief Accounting Officer of the Company.
Role change

Robert T. Macalik

Executive Vice President – Administration and Finance of the Company and Executive Vice President and Chief Financial Officer of San Mateo
MTDR · Matador Resources Co
Effective
2025-06-11
Successor
Benjamin T. Colodney
Filed
Jun 13, 2025 23:59 UTC
Robert T. Macalik has been promoted to Executive Vice President – Administration and Finance of the Company and Executive Vice President and Chief Financial Officer of San Mateo.
Role change

Brian J. Willey

Executive Vice President – Midstream of the Company and Executive Vice President, Chief Administrative Officer and Chief Legal Officer of San Mateo Midstream, LLC
MTDR · Matador Resources Co
Effective
2025-06-11
Successor
William D. Lambert
Filed
Jun 13, 2025 23:59 UTC
Brian J. Willey has been promoted to Executive Vice President – Midstream of the Company and Executive Vice President, Chief Administrative Officer and Chief Legal Officer of San Mateo Midstream, LLC

Earnings & guidance

2026-Q1 EPS reported -$0.29 filing →

Materiality & sentiment trend

Max materiality 0.85 · Median 0.65 · Most common event earnings

8 positive 0 negative 9 neutral

source · MTDR on sec.gov