William D. Lambert
EVP and CFO · Matador Resources Co
IndividualBuying only
- 2025
- Sep 12, 2025
- 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 D. Lambert 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 - $2.16M in MTDR purchases and sales in the last 12 months
- Christopher P. Calvert - $320K in MTDR purchases and sales in the last 12 months
- Shelley F. Appel - $287K in MTDR purchases and sales in the last 12 months
- Susan M. Ward - $195K in MTDR purchases and sales in the last 12 months
- Robert T. Macalik - $98K in MTDR purchases and sales in the last 12 months
- Glenn W. Stetson - $82K in MTDR purchases and sales in the last 12 months
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Frequently asked questions
Who is William D. Lambert?
William D. Lambert is a corporate insider, tracked as EVP and CFO of Matador Resources Co (MTDR). InsiderAlpha holds 1 primary Form 4 filing for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did William D. Lambert last file a Form 4?
The only primary Form 4 on record is dated 12 September 2025.
Has William D. Lambert been buying or selling stock?
Recorded transactions: 1 open-market purchase ($7K) and 0 open-market sales across all tracked filings.
