| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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EVP, Reservoir Engineering
1 company
William Thomas Elsener is EVP, Reservoir Engineering at MTDR. William Thomas Elsener's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $6.2M at current prices.
Our model assigns William Thomas Elsener a middling insider score of 65/100, based on 8 past trades. Over a 12-month horizon, 75.0% of those trades were profitable, with an average 12-month return of +21.3%.
Net of sales, the MTDR filings show accumulation of 6,300 shares.
William Thomas Elsener has 24 Form 4 filings on record from June 2022 to August 2026, all as EVP, Reservoir Engineering at Matador Resources (MTDR), 2022–2026.
The 33 reported transactions were 14 tax withholdings, 9 open-market purchases, 5 stock awards and 3 option or other derivative awards, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 9 purchases worth about $303K and no sales.
The largest open-market purchase was 1,000 shares of MTDR at an average $52.40 on February 26, 2025, about $52K. Twelve months later MTDR was down 5%.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Aug 10, 2026 | MTDR Matador Resources Company | EVP, Reservoir Engineering | Buy | 850 | $50.94 | $43,299.00 | +0.7% | - | - | |
| Oct 31, 2025 | MTDR Matador Resources Co | EVP, Reservoir Engineering | Buy | 600 | $39.51 | $23,706.00 | +0.5% | +13.5% | +51.6% | |
| Sep 11, 2025 | MTDR Matador Resources Co | EVP, Reservoir Engineering | Buy | 600 | $48.46 | $29,076.00 | +0.5% | -5.8% | +25.6% | |
| May 1, 2025 | MTDR Matador Resources Co | EVP, Reservoir Engineering | Buy | 750 | $40.10 | $30,075.00 | +0.7% | +26.5% | +54.0% | |
| Mar 4, 2025 | MTDR Matador Resources Co | EVP, Reservoir Engineering | Buy | 700 | $45.67 | $31,969.00 | +0.6% | -6.3% | +15.3% | |
| Feb 26, 2025 | MTDR Matador Resources Co | EVP, Reservoir Engineering | Buy | 1,000 | $52.40 | $52,400.00 | +0.9% | -15.3% | -4.8% | |
| Dec 13, 2024 | MTDR Matador Resources Co | EVP, Reservoir Engineering | Buy | 800 | $56.60 | $45,280.00 | +0.8% | -17.2% | -21.9% | |
| Sep 10, 2024 | MTDR Matador Resources Co | EVP, Reservoir Engineering | Buy | 500 | $49.47 | $24,735.00 | +0.5% | +14.6% | +0.5% | |
| Mar 15, 2023 | MTDR Matador Resources Co | EVP, Reservoir Engineering | Buy | 500 | $45.78 | $22,890.00 | +0.5% | +15.8% | +49.8% |