MTDR - Matador Resources Co

Insider Purchase by Elsener William Thomas (EVP, Reservoir Engineering)

6 Months
After Trade
Before Trade

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Trade Summary

5 months ago, Elsener William Thomas, serving as EVP, Reservoir Engineering at Matador Resources Co (MTDR), purchased 600 shares at $48.46 per share, for a total transaction value of $29,076.00. Following this transaction, Elsener William Thomas now holds 112,069 shares of MTDR.

This purchase represents a 1.00% increase in Elsener William Thomas's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Thursday, September 11, 2025 and publicly disclosed via SEC Form 4 filing on Monday, September 15, 2025, 4 days after the trade was made.

Matador Resources Co operates in the ENERGY sector, specifically within the OIL & GAS E&P industry. Insider buying activity in this sector can provide valuable signals about industry trends and company-specific developments.

Elsener William Thomas

EVP, Reservoir Engineering

William Thomas Elsener is the Executive Vice President of Reservoir Engineering at Matador Resources Company (NYSE: MTDR).[[1]](https://www.stocktitan.net/sec-filings/MTDR/form-4-matador-resources-co-insider-trading-activity-01a9e8c25f9a.html)[[3]](https://www.gurufocus.com/insider/205586/william-thomas-elsener) In this role, he oversees key aspects of reservoir engineering for the independent energy company focused on oil and natural gas exploration and production.[[1]](https://www.stocktitan.net/sec-filings/MTDR/form-4-matador-resources-co-insider-trading-activity-01a9e8c25f9a.html)[[3]](https://www.gurufocus.com/insider/205586/william-thomas-elsener) Elsener has demonstrated consistent commitment to the company through regular insider purchases, including acquiring 600 shares on September 11 at an average price, valued at approximately $29,076,[[4]](https://www.investing.com/news/insider-trading-news/matador-resources-evp-elsener-buys-29076-in-stock-93CH-4238518) and additional purchases of 600 shares each at $39.51 and another transaction totaling around $23,706.[[5]](https://www.investing.com/news/insider-trading-news/elsener-matador-resources-evp-buys-23706-in-mtdr-stock-93CH-4332124)[[7]](https://www.tradingview.com/news/tradingview:02daaf771a635:0-matador-resources-executives-increase-holdings/) Recently, on January 6, 2026, he received 3,480 shares from the settlement of 2023 performance stock units vesting at 58% of target based on relative total shareholder return from 2023-2025, with 1,554 shares withheld for taxes at $41.41 per share; he now directly holds 114,780 shares, including Employee Stock Purchase Plan shares and 2,667 restricted shares.[[1]](https://www.stocktitan.net/sec-filings/MTDR/form-4-matador-resources-co-insider-trading-activity-01a9e8c25f9a.html) No specific education or prior career highlights are detailed in available sources.

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Trade Price

$48.46

Quantity

600

Total Value

$29,076.00

Shares Owned

112,069

Trade Date

Thursday, September 11, 2025

163 days ago

SEC Filing Date

Monday, September 15, 2025

Filed 4 days after trade

ENERGYOIL & GAS E&P

About Matador Resources Co

Company Overview

No company information available
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