Form4insider filings, from the source

Company · CIK 0001520006 · SIC 1311 — Crude Petroleum & Natural Gas · NYSE

Matador Resources Co · MTDR

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $1.2M · 6sales $0 · 0net $1.2M
$10k$10k$100k$100k$1M$1MbuyssalesJun 28Jul 13Jul 28Aug 13Aug 28Sep 12Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Aug 27, 2026 PForm 4 →Aug 31, 7:35 am EDTChristopher P CalvertEVP and CFO2,500$56.64$141,60044,000+6.02%
Aug 26, 2026 PForm 4 →Aug 28, 7:38 am EDTJoseph Wm ForanChairman and CEO, Director555$54.49$30,2424,772+13.2%
Aug 17, 2026 PForm 4 →Aug 19, 4:16 pm EDTJoseph Wm ForanChairman and CEO, Director400$53.64$21,45631,017+1.31%
Aug 12, 2026 PForm 4 →Aug 14, 7:40 am EDTJoseph Wm ForanChairman and CEO, Director15,000$51.92$778,80030,617+96.0%
Aug 10, 2026 GForm 4 →Aug 12, 5:09 pm EDTKenneth L. StewartDirector9,400——84,747—
Aug 10, 2026 PForm 4 →Aug 12, 5:08 pm EDTWilliam Thomas ElsenerEVP, Reservoir Engineering850$50.94$43,299114,879+0.75%
Aug 10, 2026 PForm 4 →Aug 12, 7:23 am EDTJoseph Wm ForanChairman and CEO, Director3,839$51.16$196,39615,617+32.6%

Reported at this company — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.