William M. Byerley
Director · Matador Resources Co
Individual
- 2026
- Jun 15, 2026
- 1
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies William M. Byerley files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Joseph Wm Foran - $1.73M in MTDR purchases and sales in the last 12 months
- Christopher P. Calvert - $320K in MTDR purchases and sales in the last 12 months
- Susan M. Ward - $195K in MTDR purchases and sales in the last 12 months
- Shelley F. Appel - $109K in MTDR purchases and sales in the last 12 months
- Robert T. Macalik - $98K in MTDR purchases and sales in the last 12 months
- William Thomas Elsener - $67K in MTDR purchases and sales in the last 12 months
More insiders (A-Z)
Browse nearby insider profiles in alphabetical order.
Frequently asked questions
Who is William M. Byerley?
William M. Byerley is a corporate insider, tracked as Director of Matador Resources Co (MTDR). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did William M. Byerley last file a Form 4?
The only primary Form 4 on record is dated 15 June 2026.
