MTDR (MATADOR RESOURCES COMPANY)
Insider Trading Activity
Every open-market purchase and sale reported by MTDR officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.
| Filed | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-08-28 | Joseph Wm Foran | Chairman and CEO | Buy | — | — |
| 2026-08-19 | Joseph Wm Foran | Chairman and CEO | Buy | — | — |
| 2026-08-14 | Joseph Wm Foran | Chairman and CEO | Buy | — | — |
| 2026-08-12 | KENNETH L. STEWART | Director | G | — | — |
| 2026-08-12 | Joseph Wm Foran | Chairman and CEO | Buy | — | — |
| 2026-08-12 | William Thomas Elsener | EVP, Reservoir Engineering | Buy | — | — |
| 2026-06-17 | Robert Gaines Baty | Director | Buy | — | — |
| 2026-06-15 | Robert Gaines Baty | Director | A | — | — |
| 2026-06-15 | William M Byerley | Director | A | — | — |
| 2026-06-15 | TIMOTHY E. PARKER | Director | A | — | — |
| 2026-06-15 | KENNETH L. STEWART | Director | A | — | — |
| 2026-06-15 | Monika U Ehrman | Director | A | — | — |
| 2026-06-15 | Susan M Ward | Director | A | — | — |
| 2026-06-15 | Reynald Baribault | Director | A | — | — |
| 2026-06-15 | Shelley F Appel | Director | A | — | — |
| 2026-06-15 | Paul W Harvey | Director | A | — | — |
| 2026-06-11 | Glenn W Stetson | EVP and COO | Buy | — | — |
| 2026-06-11 | Joseph Wm Foran | Chairman and CEO | Buy | — | — |
| 2026-06-10 | Monika U Ehrman | Director | Buy | — | — |
| 2026-06-08 | Joseph Wm Foran | Chairman and CEO | Buy | — | — |
| 2026-06-02 | Joseph Wm Foran | Chairman and CEO | Buy | — | — |
| 2026-06-02 | Christopher P Calvert | EVP and CFO | Buy | — | — |
| 2026-06-02 | Benjamin T Colodney | SVP & Chief Accounting Officer | MIXED | — | — |
| 2026-06-01 | Glenn W Stetson | EVP and COO | Buy | — | — |
| 2026-05-28 | Joseph Wm Foran | Chairman and CEO | Buy | — | — |
| 2026-03-10 | Monika U Ehrman | Director | Buy | — | — |
| 2026-03-03 | Joseph Wm Foran | Chairman and CEO | Buy | — | — |
| 2026-02-18 | Joseph Wm Foran | Chairman and CEO | MIXED | — | — |
| 2026-02-18 | Van H II Singleton | CoPresident-Land, A&D,Planning | MIXED | — | — |
| 2026-02-18 | Bryan A Erman | Co-President,CLO & Head of M&A | F | — | — |
| 2026-02-18 | Robert T Macalik | EVP, Chief Financial Officer | F | — | — |
| 2026-02-18 | Christopher P Calvert | EVP and COO | F | — | — |
| 2026-02-18 | William Thomas Elsener | EVP, Reservoir Engineering | F | — | — |
| 2026-02-18 | George G Krug | EVP - Mktg and Midstream | M | — | — |
| 2026-02-18 | Glenn W Stetson | EVP-Production | F | — | — |
| 2026-01-08 | Joseph Wm Foran | Chairman and CEO | MIXED | — | — |
| 2026-01-08 | Van H II Singleton | CoPresident-Land, A&D,Planning | MIXED | — | — |
| 2026-01-08 | Bryan A Erman | Co-President,CLO & Head of M&A | MIXED | — | — |
| 2026-01-08 | Robert T Macalik | EVP, Chief Financial Officer | MIXED | — | — |
| 2026-01-08 | Christopher P Calvert | EVP and COO | MIXED | — | — |
| 2026-01-08 | William Thomas Elsener | EVP, Reservoir Engineering | MIXED | — | — |
| 2026-01-08 | George G Krug | EVP - Mktg and Midstream | MIXED | — | — |
| 2026-01-08 | Glenn W Stetson | EVP-Production | MIXED | — | — |
| 2025-11-10 | Joseph Wm Foran | Chairman and CEO | Buy | — | — |
| 2025-11-10 | Van H II Singleton | CoPresident-Land, A&D,Planning | Buy | — | — |
| 2025-11-10 | Robert T Macalik | EVP, Chief Financial Officer | Buy | — | — |
| 2025-11-06 | Joseph Wm Foran | Chairman and CEO | Buy | — | — |
| 2025-11-06 | Reynald Baribault | Director | Buy | — | — |
| 2025-11-06 | Shelley F Appel | Director | Buy | — | — |
| 2025-11-05 | Van H II Singleton | CoPresident-Land, A&D,Planning | Buy | — | — |
| Insider | Role | Shares Held | Value |
|---|---|---|---|
| — | Director | 4,818,558 | — |
| — | VP-Geophysics & New Ventures | 964,042 | — |
| — | EVP and CFO | 607,721 | — |
| — | Director | 495,703 | — |
| — | President-Operations | 341,937 | — |
| — | EVP, Co-COO, Chief of Staff | 332,056 | — |
| — | CTO, EVP-Reservoir Engineering | 324,838 | — |
| — | Director | 313,525 | — |
| — | CoPresident-Land, A&D,Planning | 301,395 | — |
| — | Director | 297,917 | — |
| — | Director | 274,562 | — |
| — | EVP - Mktg and Midstream | 232,166 | — |
| — | Director | 231,691 | — |
| — | EVP, Chief Financial Officer | 144,846 | — |
| — | Director | 135,137 | — |
| — | EVP and CFO | 126,812 | — |
| — | EVP, Reservoir Engineering | 114,879 | — |
| — | Director | 111,046 | — |
| — | Director | 108,426 | — |
| — | EVP | 101,457 | — |
| — | EVP and COO | 95,470 | — |
| — | EVP and CFO | 94,101 | — |
| — | Director | 93,511 | — |
| — | Exec. Director - Exploration | 84,917 | — |
| — | Director | 84,747 | — |
Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.
Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.
Full filing history and per-insider positions are on the MTDR quote page; the site-wide leaderboard is on the insider transactions hub.