🕵️ Matador Resources Co ($MTDR)
SEC insider & ownership activity, last 12 months · CIK 1520006 · every row links its SEC filing
Over the last 12 months insiders bought $3.5M with no open-market selling against it. Foran Joseph Wm bought $2.2M (Oct–Aug). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
14 buyers, $3.5M (45 lots) · 0 sellers, $0 (0 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Foran Joseph Wm | 15 | $2.2M | 0 | – | Aug 26, 2026 |
| Christopher P. Calvert | 3 | $320K | 0 | – | Aug 27, 2026 |
| Shelley F. Appel | 8 | $287K | 0 | – | Nov 6, 2025 |
| Susan M. Ward | 1 | $195K | 0 | – | Nov 3, 2025 |
| Robert T. Macalik | 2 | $98K | 0 | – | Nov 6, 2025 |
| Glenn W. Stetson | 3 | $82K | 0 | – | Jun 9, 2026 |
| Elsener William Thomas | 2 | $67K | 0 | – | Aug 10, 2026 |
| Van H. Singleton II | 2 | $59K | 0 | – | Nov 6, 2025 |
| Baty Robert Gaines | 2 | $45K | 0 | – | Jun 15, 2026 |
| Bryan A. Erman | 1 | $40K | 0 | – | Oct 31, 2025 |
| Monika U. Ehrman | 2 | $35K | 0 | – | Jun 8, 2026 |
| Paul W. Harvey | 1 | $32K | 0 | – | Oct 30, 2025 |
| Benjamin T. Colodney | 2 | $17K | 0 | – | May 29, 2026 |
| Baribault Reynald | 1 | $15K | 0 | – | Nov 4, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Vanguard Portfolio Management | 6.9% | 13G | Apr 29, 2026 | filing ↗ | |
| Dimensional Fund Advisors LP | 5.2% | 13G | Oct 9, 2025 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Robert T. Macalik | $5.7M | May 11, 2026 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Sep 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 9, 2026 | filing ↗ |
| Earnings (2.02) | Aug 5, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 5, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 22, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 22, 2026 | filing ↗ |
| Material agreement (1.01) | Jul 22, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 22, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 22, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 10, 2026 | filing ↗ |
| New financial obligation (2.03) | Jun 10, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 10, 2026 | filing ↗ |
| Earnings (2.02) | May 6, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 6, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 22, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 22, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 21, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 21, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 5, 2026 | filing ↗ |
| New financial obligation (2.03) | Mar 5, 2026 | filing ↗ |
| Other events (8.01) | Mar 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 5, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 26, 2026 | filing ↗ |
| Other events (8.01) | Feb 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 26, 2026 | filing ↗ |
| Other events (8.01) | Feb 26, 2026 | filing ↗ |