Stephen D. Williams

CIK: 0001702386

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (16.7%)

Position reduction

Option Exercises (M)3 (50.0%)

Derivative conversions

Awards (A)2 (33.3%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

HCC

WARRIOR MET COAL, INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (6 total)

HCC
WARRIOR MET COAL, INC.
Aug 19, 2026
Sale(S)
Direct
4.8K shares at avg. $104.23$500K
HCC
WARRIOR MET COAL, INC.
Apr 23, 2026
Exercise(M)
Direct
2.5K shares-
HCC
WARRIOR MET COAL, INC.
Apr 20, 2026
Award(A)
Restricted Stock Units
Direct
1.4K shares-
HCC
WARRIOR MET COAL, INC.
Apr 26, 2025
Exercise(M)
Direct
1.5K shares-
HCC
WARRIOR MET COAL, INC.
Apr 25, 2025
Exercise(M)
Direct
1.8K shares-
HCC
WARRIOR MET COAL, INC.
Apr 23, 2025
Award(A)
Restricted Stock Units
Direct
2.5K shares-

		Type	Shares	Price		Ownership
Aug 19, 2026	HCC WARRIOR MET COAL, INC.	Sale(S)	4,800	$104.23	$500,304	Direct
Apr 23, 2026	HCC WARRIOR MET COAL, INC.	Exercise(M)	2,534	-	$0	Direct
Apr 20, 2026	HCC WARRIOR MET COAL, INC.	Award(A) Restricted Stock Units	1,423	-	-	Direct
Apr 26, 2025	HCC WARRIOR MET COAL, INC.	Exercise(M)	1,488	-	-	Direct
Apr 25, 2025	HCC WARRIOR MET COAL, INC.	Exercise(M)	1,797	-	-	Direct
Apr 23, 2025	HCC WARRIOR MET COAL, INC.	Award(A) Restricted Stock Units	2,534	-	-	Direct

1-6 of 6 transactions

About Williams Stephen D.

Williams Stephen D. (SEC CIK 0001702386) files insider reports with the SEC as Director of WARRIOR MET COAL, INC. (HCC).

Signal8 holds 5 ownership filings by Williams Stephen D., all Form 4s, filed between Apr 25, 2025 and Aug 21, 2026. Those filings report 6 transactions, from Apr 23, 2025 to Aug 19, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Williams Stephen D.'s filings is in BROOKWOOD, AL.

Recent filings by Williams Stephen D.

Aug 19, 2026: Open-market sale of HCC shares (Form 4, code S).
Apr 23, 2026: Option exercise of HCC shares (Form 4, code M).
Apr 20, 2026: Grant or award of HCC derivative securities (Form 4, code A).
Apr 26, 2025: Option exercise of HCC shares (Form 4, code M).
Apr 25, 2025: Option exercise of HCC shares (Form 4, code M).

Other insiders filing for WARRIOR MET COAL, INC. (HCC)

SCHELLER WALTER J, CHIEF EXECUTIVE OFFICER
Chopin Brian M, CHIEF ACCOUNTING OFFICER
Gant Kelli K.
Chainey Kimberly, Director
Schnorr Lisa M., Director
HARVEY J BRETT, Director

How to read Form 4 transaction codes