Latest filingAug 26, 2026Most recent Form 4
HCC
WARRIOR MET COAL, INC.
NYSEMaterialsSilver Ores
Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$1.15B4 sells
Net open-market-$1.15B3 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period4transactions
- S · Open-market sells · dominant4 · 100%
Activity by reported role
A joint filing can contribute to multiple roles4transactions
- Chief executive officer · dominant2 · 50%
- CAO1 · 25%
- Director1 · 25%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (3)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeScheller Walter JCommon Stock · Direct
267,793Aug 24, 2026
Williams Stephen D.Common Stock · Direct
30,303Aug 19, 2026
Chopin Brian MCommon Stock · Direct
21,110Aug 19, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 03 → Sep 03
LessMore
Top insiders
By absolute net value across the selected period- SJ-$5.3M
- WD-$500.3k
- CM-$336.2k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
HCC transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| HCC | Chopin Brian M | CAO | sale | 3.23k | -$33.6M | S | +0.3% | 08/21 | 08/19 | |
| HCC | SCHELLER WALTER J | CEO | sale10b5-1 | 50.0k | -$525M | S | +0.3% | 08/21 | 08/19 | |
| HCC | Williams Stephen D. | DIR | sale | 4.80k | -$50.0M | S | +0.3% | 08/21 | 08/19 |
WARRIOR MET COAL, INC. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at WARRIOR MET COAL, INC.?
SCHELLER WALTER J, Chopin Brian M, Williams Stephen D..
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Scheller Walter J reported a sale on Aug 24, 2026 valued at $550M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $11,586,496.64. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.