secwatch.observer — SEC 8-K summary
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Issuer:     Matador Resources Co (MTDR)
CIK:        0001520006
Form:       8-K
Filed at:   2025-06-13T23:59:59+00:00
Accession:  0001520006-25-000156
Event type: leadership
Sentiment:  positive
Materiality: 0.55
Item codes: 5.02, 7.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Matador Resources promotes Bryan Erman to Co-President; William Lambert named CFO effective June 11
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- Bryan Erman promoted to Co-President, Chief Legal Officer and Head of M&A; previously EVP, GC and Head of M&A.
- William Lambert named EVP, CFO and Head of Strategy, replacing Brian Willey as principal financial officer.
- Brian Willey moves to EVP – Midstream of Matador and EVP, CAO and CLO of San Mateo Midstream.
- Robert Macalik promoted to EVP – Administration and Finance of Matador and EVP, CFO of San Mateo.
- Benjamin Colodney promoted to VP and Chief Accounting Officer, succeeding Macalik.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1520006/000152000625000156/0001520006-25-000156-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1520006/000152000625000156/mtdr-20250611.htm
  HTML page:      https://secwatch.observer/filing/0001520006-25-000156

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer