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William M Byerley
Insider
First SEC filing: June 15, 2026 · Latest: June 15, 2026
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 11, 2026 | MTDR | A | 3,642 | · | · | 59,453 Direct | +6.53% | Acquired | (price as of 2026-10-05) |
| June 12, 2025 | MTDR | A | 4,079 | · | · | 55,811 Direct | +7.88% | Acquired | (price as of 2026-10-05) |
| June 13, 2024 | MTDR | A | 2,533 | · | · | 51,732 Direct | +5.15% | Acquired | (price as of 2026-10-05) |
| Sept. 12, 2023 | MTDR | P | 158 | $63.21 | $9,987 | 49,199 Direct | +0.32% | Acquired | -16.1% (price as of 2026-10-05) |
| June 9, 2023 | MTDR | A | 2,621 | · | · | 49,041 Direct | +5.65% | Acquired | (price as of 2026-10-05) |
| March 8, 2023 | MTDR | P | 125 | $55.30 | $6,912 | 46,420 Direct | +0.27% | Acquired | -4.1% (price as of 2026-10-05) |
| June 10, 2022 | MTDR | A | 2,040 | · | · | 46,295 Direct | +4.61% | Acquired | (price as of 2026-10-05) |
| June 4, 2021 | MTDR | A | 4,043 | · | · | 44,255 Direct | +10.05% | Acquired | (price as of 2026-10-05) |
| Nov. 3, 2020 | MTDR | P | 1,000 | $7.52 | $7,520 | 40,212 Direct | +2.55% | Acquired | 604.9% (price as of 2026-10-05) |
| June 5, 2020 | MTDR | A | 8,262 | · | · | 39,212 Direct | +26.69% | Acquired | (price as of 2026-10-05) |
| Dec. 2, 2019 | MTDR | P | 350 | $14.31 | $5,008 | 30,950 Direct | +1.14% | Acquired | 270.4% (price as of 2026-10-05) |
| June 6, 2019 | MTDR | A | 8,395 | · | · | 30,600 Direct | +37.81% | Acquired | (price as of 2026-10-05) |
| Nov. 29, 2018 | MTDR | P | 1,000 | $23.03 | $23,030 | 22,205 Direct | +4.72% | Acquired | 130.2% (price as of 2026-10-05) |
| June 7, 2018 | MTDR | A | 5,210 | · | · | 21,205 Direct | +32.57% | Acquired | (price as of 2026-10-05) |
| June 1, 2017 | MTDR | A | 5,923 | · | · | 15,995 Direct | +58.81% | Acquired | (price as of 2026-10-05) |
| April 11, 2017 | MTDR | A | 1,399 | · | · | 10,072 Direct | +16.13% | Acquired | (price as of 2026-10-05) |
| Feb. 15, 2017 | MTDR | A | 1,251 | · | · | 8,673 Direct | +16.86% | Acquired | (price as of 2026-10-05) |
| Dec. 9, 2016 | MTDR | P | 1,919 | $26.05 | $49,990 | 7,422 Direct | +34.87% | Acquired | 103.5% (price as of 2026-10-05) |
| Oct. 28, 2016 | MTDR | A | 1,468 | · | · | 5,503 Direct | +36.38% | Acquired | (price as of 2026-10-05) |
| Aug. 8, 2016 | MTDR | P | 2,288 | $21.86 | $50,016 | 4,035 Direct | +130.97% | Acquired | 142.5% (price as of 2026-10-05) |
| Aug. 3, 2016 | MTDR | A | 1,747 | · | · | 1,747 Direct | · | Acquired | (price as of 2026-10-05) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.