X0508 4 2026-02-09 0001691303 WARRIOR MET COAL, INC. HCC 0001768988 Lussier Charles 16243 HIGHWAY 216 BROOKWOOD AL 35444 false true false false CHIEF COMMERCIAL OFFICER false Common Stock 2026-02-09 4 A false 20614 0 A 93690 D Common Stock 2026-02-09 4 F false 9144 94.00 D 84546 D Common Stock 2026-02-10 4 M false 1150 0 A 85696 D Common Stock 2026-02-10 4 F false 511 90.31 D 85185 D Restricted Stock Units Common Stock 935 935 D Restricted Stock Units 2026-02-10 4 M false 1150 0 D Common Stock 1150 2300 D Restricted Stock Units Common Stock 2225 2225 D Represents the issuance of (i) 8,108 shares of common stock of the issuer earned pursuant to the performance-based restricted stock units ("RSUs") granted to the reporting person on February 8, 2023, (ii) 5,606 shares of common stock of the issuer earned pursuant to the performance-based RSUs granted to the reporting person on February 8, 2024, and (iii) 6,900 shares of common stock of the issuer earned pursuant to the performance-based RSUs granted to the reporting person on February 10, 2025, each based on the issuer's performance during the performance period from January 1, 2025 through December 31, 2025. This transaction is exempt from Section 16(b) of the Securities Exchange Act of 1934 pursuant to Rule 16b-3(d) thereunder. Represents the withholding of shares for tax purposes. Represents the vesting and settlement of time-based RSUs, which convert into common stock on a one-for-one basis. The RSUs were granted to the reporting person under the Warrior Met Coal, Inc. 2017 Equity Incentive Plan, and vest in equal installments on each of the first three anniversaries of February 8, 2024, the date of grant. The RSUs were granted to the reporting person under the Warrior Met Coal, Inc. 2017 Equity Incentive Plan, and vest in equal installments on each of the first three anniversaries of February 10, 2025, the date of grant The RSUs were granted to the reporting person under the Warrior Met Coal, Inc. 2017 Equity Incentive Plan, and vest in equal installments on each of the first three anniversaries of February 9, 2026, the date of grant /s/ Kelli K. Gant, by power of attorney 2026-02-17