X0508 4 2026-02-14 0 0001520006 Matador Resources Co MTDR 0002015754 Erman Bryan A 5400 LBJ FREEWAY SUITE 1500 DALLAS TX 75240 0 1 0 0 Co-President,CLO & Head of M&A 0 Common Stock 2026-02-16 4 F 0 1050 47.80 D 78566 D Common Stock 4250 I Represents shares held of record by the reporting person's 401(k) account Common Stock 2400 I Represents shares held of record by the reporting person's Individual Retirement Account Phantom Units 2026-02-14 4 M 0 6000 0 D Common Stock 6000 12000 D Phantom Units 2026-02-14 4 M 0 5000 0 D Common Stock 5000 5000 D Phantom Units 2026-02-17 4 A 0 35000 0 A Common Stock 35000 35000 D Represents shares withheld by the Issuer in connection with the reporting person's net share settlement to satisfy tax liability upon the vesting of 2,667 shares of restricted stock that were granted to the reporting person on February 16, 2023. No shares were sold by the reporting person to satisfy this tax liability. Includes shares acquired pursuant to the Issuer's Employee Stock Purchase Plan. Such acquisitions are exempt under Rule 16b-3. Each phantom unit is the economic equivalent of one share of the Issuer's common stock. As required by the terms of the award, upon the February 14, 2026 partial vesting of such award, the reporting person settled the phantom units for cash at a rate of $47.80 per unit based upon the closing price of the Issuer's common stock on February 13, 2026. No shares of common stock were issued to nor sold by the reporting person pursuant to this transaction. The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant, February 14, 2025 The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant, February 14, 2024. Each phantom unit is the economic equivalent of one share of the Issuer's common stock. The phantom units vest in equal annual installments on the first, second and third anniversaries of the date of grant. /s/ Bryan A. Erman, by Cale L. Curtin as attorney-in-fact 2026-02-18