MTDR insider buying and SEC filings, explained
Matador Resources Co · CIK 1520006
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE
- Industry (SIC)
- Crude Petroleum & Natural Gas
- State of incorporation
- TX
- Fiscal year end
- Dec 31
Insider activity in the last 12 months
Bought
$3.5M
Insiders who bought
14
Sold (not marked 10b5-1)
$0
Planned sales (10b5-1)
$0
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Aug 27, 2026 | Purchase (code P) | Christopher P Calvert (CFO) bought 2,500 shares indirectly (by retirement or benefit plan) at $56.64 ($142K), reported as a purchase (code P). Holdings by retirement or benefit plan up 6% to 44,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 31, 2026 |
| Aug 26, 2026 | Purchase (code P) | Joseph Wm Foran (CEO and Director) bought 555 shares at about $54.49 ($30K), reported as a purchase (code P). Holdings up 13% to 4,772 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 28, 2026 |
| Aug 17, 2026 | Purchase (code P) | Joseph Wm Foran (CEO and Director) bought 400 shares at about $53.64 ($21K), reported as a purchase (code P). Holdings up 1% to 31,017 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 19, 2026 |
| Aug 12–13, 2026 | Purchase (code P) | Joseph Wm Foran (CEO and Director) bought 15,000 shares between Aug 12 and Aug 13 at about $51.92 ($779K), reported as a purchase (code P). Holdings up 96% to 30,617 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 14, 2026 |
| Aug 10, 2026 | Purchase (code P) | William Thomas Elsener (EVP, Reservoir Engineering) bought 850 shares at $50.94 ($43K), reported as a purchase (code P). Holdings up 1% to 114,879 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 12, 2026 |
| Aug 10–11, 2026 | Purchase (code P) | Joseph Wm Foran (CEO and Director) bought 3,839 shares between Aug 10 and Aug 11 at about $51.16 ($196K), reported as a purchase (code P). Holdings up 33% to 15,617 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 12, 2026 |
| Jun 15, 2026 | Purchase (code P) | Robert Gaines Baty (Director) bought 500 shares at $51.44 ($26K), reported as a purchase (code P). Holdings up 1% to 77,538 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 17, 2026 |
| Jun 9, 2026 | Purchase (code P) | Glenn W Stetson (President / COO) bought 500 shares at $53.41 ($27K), reported as a purchase (code P). Holdings up 1% to 95,470 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 11, 2026 |
| Jun 9, 2026 | Purchase (code P) | Joseph Wm Foran (CEO and Director) bought 2,000 shares at about $53.07 ($106K), reported as a purchase (code P). Holdings up 21% to 11,479 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 11, 2026 |
| Jun 8, 2026 | Purchase (code P) | Monika U Ehrman (Director) bought 362 shares at about $55.28 ($20K), reported as a purchase (code P). Holdings up 1% to 41,825 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 10, 2026 |
| Jun 4, 2026 | Purchase (code P) | Joseph Wm Foran (CEO and Director) bought 2,000 shares at $56.25 ($113K), reported as a purchase (code P). Holdings up 27% to 9,479 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 8, 2026 |
| May 29, 2026 | Purchase (code P) | Christopher P Calvert (CFO) bought 1,500 shares indirectly (by retirement or benefit plan) at $53.24 ($80K), reported as a purchase (code P). Holdings by retirement or benefit plan up 4% to 41,500 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 2, 2026 |
| May 29, 2026 | Purchase (code P) | Joseph Wm Foran (CEO and Director) bought 482 shares at about $52.70 ($25K), reported as a purchase (code P). Holdings up 7% to 7,479 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 2, 2026 |
| May 29, 2026 | Purchase (code P) | Benjamin T Colodney (SVP & Chief Accounting Officer) bought 250 shares indirectly (by retirement or benefit plan) at $53.41 ($13K), reported as a purchase (code P). Holdings by retirement or benefit plan up 10% to 2,650 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 2, 2026 |
| May 28, 2026 | Purchase (code P) | Glenn W Stetson (President / COO) bought 500 shares at $53.94 ($27K), reported as a purchase (code P). Holdings up 1% to 94,970 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 1, 2026 |
| May 27, 2026 | Purchase (code P) | Joseph Wm Foran (CEO and Director) bought 4,675 shares at about $52.36 ($245K), reported as a purchase (code P). Holdings up 201% to 6,997 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 28, 2026 |
| Mar 6, 2026 | Purchase (code P) | Monika U Ehrman (Director) bought 267 shares at $56.29 ($15K), reported as a purchase (code P). Holdings up 1% to 41,463 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 10, 2026 |
| Feb 27, 2026 | Purchase (code P) | Joseph Wm Foran (CEO and Director) bought 468 shares at about $49.78 ($23K), reported as a purchase (code P). Holdings up 25% to 2,322 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 3, 2026 |
| Nov 6, 2025 | Purchase (code P) | Robert T Macalik (CFO) bought 1,500 shares indirectly (by retirement or benefit plan) at $38.25 ($57K), reported as a purchase (code P). Holdings by retirement or benefit plan up 4% to 35,039 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 10, 2025 |
| Nov 6, 2025 | Purchase (code P) | Van H Singleton II (CoPresident-Land, A&D,Planning) bought 500 shares at $38.28 ($19K), reported as a purchase (code P). Holdings up <1% to 292,918 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 10, 2025 |
| Nov 6, 2025 | Purchase (code P) | Joseph Wm Foran (CEO and Director) bought 1,000 shares at $38.14 ($38K), reported as a purchase (code P). Holdings up 4% to 23,867 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 10, 2025 |
| Nov 5–6, 2025 | Purchase (code P) | Shelley F Appel (Director) bought 2,880 shares directly and indirectly (by retirement or benefit plan) between Nov 5, 2025 and Nov 6, 2025 at about $37.76 ($109K), reported as a purchase (code P). Direct holdings up 2% to 66,859 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 6, 2025 |
| Nov 4, 2025 | Purchase (code P) | Reynald Baribault (Director) bought 400 shares indirectly (by retirement or benefit plan) at $38.49 ($15K), reported as a purchase (code P). Holdings by retirement or benefit plan up 6% to 6,915 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 6, 2025 |
| Nov 4, 2025 | Purchase (code P) | Joseph Wm Foran (CEO and Director) bought 4,000 shares at about $38.44 ($154K), reported as a purchase (code P). Holdings up 21% to 22,867 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 6, 2025 |
| Nov 3, 2025 | Purchase (code P) | Christopher P Calvert (President / COO) bought 2,500 shares indirectly (by retirement or benefit plan) at $39.44 ($99K), reported as a purchase (code P). Holdings by retirement or benefit plan up 7% to 40,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 5, 2025 |
| Nov 3, 2025 | Purchase (code P) | Van H Singleton II (CoPresident-Land, A&D,Planning) bought 1,000 shares at $39.46 ($39K), reported as a purchase (code P). Holdings up <1% to 292,418 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 5, 2025 |
| Nov 3, 2025 | Purchase (code P) | Susan M Ward (Director) bought 5,000 shares at $39.04 ($195K), reported as a purchase (code P). Holdings up 50% to 14,923 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 5, 2025 |
| Oct 31, 2025 | Purchase (code P) | Bryan A Erman (President / COO) bought 1,000 shares at $39.60 ($40K), reported as a purchase (code P). Holdings up 1% to 77,518 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 4, 2025 |
| Oct 31, 2025 | Purchase (code P) | William Thomas Elsener (EVP, Reservoir Engineering) bought 600 shares at $39.51 ($24K), reported as a purchase (code P). Holdings up 1% to 112,669 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 4, 2025 |
| Oct 31, 2025 | Purchase (code P) | Robert Gaines Baty (Director) bought 500 shares at $39.51 ($20K), reported as a purchase (code P). Holdings up 1% to 73,396 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 4, 2025 |
| Oct 31, 2025 | Purchase (code P) | Robert T Macalik (CFO) bought 1,039 shares indirectly (by retirement or benefit plan) at $39.40 ($41K), reported as a purchase (code P). Holdings by retirement or benefit plan up 3% to 33,539 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 4, 2025 |
| Oct 30, 2025 | Purchase (code P) | Benjamin T Colodney (VP & Chief Accounting Officer) bought 100 shares at $39.35 ($4K), reported as a purchase (code P). Holdings up 1% to 9,840 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 3, 2025 |
| Oct 30, 2025 | Purchase (code P) | Paul W Harvey (Director) bought 800 shares indirectly at $40.30 ($32K), reported as a purchase (code P). Indirect holdings up 5% to 15,767 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 3, 2025 |
| Oct 30, 2025 | Purchase (code P) | Glenn W Stetson (EVP-Production) bought 700 shares at $39.95 ($28K), reported as a purchase (code P). Holdings up 1% to 94,652 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 3, 2025 |
| Oct 30–Nov 3, 2025 | Purchase (code P) | Shelley F Appel (Director) bought 4,485 shares directly and indirectly between Oct 30, 2025 and Nov 3, 2025 at about $39.72 ($178K), reported as a purchase (code P). Direct holdings up 4% to 65,521 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 3, 2025 |
| Oct 30–31, 2025 | Purchase (code P) | Joseph Wm Foran (CEO and Director) bought 10,842 shares between Oct 30, 2025 and Oct 31, 2025 at about $39.72 ($431K), reported as a purchase (code P). Holdings up 135% to 18,867 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Nov 3, 2025 |
27 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
3 insiders bought in 30 days
$1.2M in purchases since Aug 10, 2026 · Purchases traded Aug 10, 2026 to Aug 27, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| William Thomas Elsener (EVP, Reservoir Engineering) | $43K | Aug 10, 2026 | SEC filing |
| Joseph Wm Foran (CEO) | $196K | Aug 11, 2026 | SEC filing |
| Joseph Wm Foran (CEO) | $779K | Aug 13, 2026 | SEC filing |
| Joseph Wm Foran (CEO) | $21K | Aug 17, 2026 | SEC filing |
| Joseph Wm Foran (CEO) | $30K | Aug 26, 2026 | SEC filing |
| Christopher P Calvert (CFO) | $142K | Aug 27, 2026 | SEC filing |
6 insiders bought in 30 days
$681K in purchases since May 27, 2026 · Purchases traded May 27, 2026 to Jun 15, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Joseph Wm Foran (CEO) | $245K | May 27, 2026 | SEC filing |
| Glenn W Stetson (President / COO) | $27K | May 28, 2026 | SEC filing |
| Benjamin T Colodney (SVP & Chief Accounting Officer) | $13K | May 29, 2026 | SEC filing |
| Joseph Wm Foran (CEO) | $25K | May 29, 2026 | SEC filing |
| Christopher P Calvert (CFO) | $80K | May 29, 2026 | SEC filing |
| Joseph Wm Foran (CEO) | $113K | Jun 4, 2026 | SEC filing |
| Monika U Ehrman (Director) | $20K | Jun 8, 2026 | SEC filing |
| Joseph Wm Foran (CEO) | $106K | Jun 9, 2026 | SEC filing |
| Glenn W Stetson (President / COO) | $27K | Jun 9, 2026 | SEC filing |
| Robert Gaines Baty (Director) | $26K | Jun 15, 2026 | SEC filing |
2 insiders bought in 30 days
$38K in purchases since Feb 27, 2026 · Purchases traded Feb 27, 2026 to Mar 6, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Joseph Wm Foran (CEO) | $23K | Feb 27, 2026 | SEC filing |
| Monika U Ehrman (Director) | $15K | Mar 6, 2026 | SEC filing |
12 insiders bought in 30 days
$1.5M in purchases since Oct 30, 2025 · Purchases traded Oct 30, 2025 to Nov 6, 2025 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Glenn W Stetson (EVP-Production) | $28K | Oct 30, 2025 | SEC filing |
| Paul W Harvey (Director) | $32K | Oct 30, 2025 | SEC filing |
| Joseph Wm Foran (CEO) | $431K | Oct 31, 2025 | SEC filing |
| Robert T Macalik (CFO) | $41K | Oct 31, 2025 | SEC filing |
| Robert Gaines Baty (Director) | $20K | Oct 31, 2025 | SEC filing |
| William Thomas Elsener (EVP, Reservoir Engineering) | $24K | Oct 31, 2025 | SEC filing |
| Bryan A Erman (President / COO) | $40K | Oct 31, 2025 | SEC filing |
| Shelley F Appel (Director) | $178K | Nov 3, 2025 | SEC filing |
| Susan M Ward (Director) | $195K | Nov 3, 2025 | SEC filing |
| Van H Singleton II (CoPresident-Land, A&D,Planning) | $39K | Nov 3, 2025 | SEC filing |
| Christopher P Calvert (President / COO) | $99K | Nov 3, 2025 | SEC filing |
| Joseph Wm Foran (CEO) | $154K | Nov 4, 2025 | SEC filing |
| Reynald Baribault (Director) | $15K | Nov 4, 2025 | SEC filing |
| Shelley F Appel (Director) | $109K | Nov 6, 2025 | SEC filing |
| Joseph Wm Foran (CEO) | $38K | Nov 6, 2025 | SEC filing |
| Van H Singleton II (CoPresident-Land, A&D,Planning) | $19K | Nov 6, 2025 | SEC filing |
| Robert T Macalik (CFO) | $57K | Nov 6, 2025 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Nov 3, 2026, 5:12 PM ET 8-K | Earnings released (Item 2.02) Reg FD disclosure (Item 7.01) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
Follow MTDR in the Insider Ledger app
Get the appA plain-English brief of insider purchases, 8-Ks and red flags at the companies you pick. No account needed.