InsiderTrades

Form 4 for CNR Core Natural Resources, Inc.

Accepted 2026-03-19 00:00:00 ET · period of report 2026-03-18 · accession 0001193125-26-116273 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
I 2026-03-19 2026-03-18 CNR Brock James A CEO, Executive COB, Dir S - Sale $101.15 -40.8K 100.0K -29% -$4.12M

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common stock, par value $0.01 per share 2026-03-18 S D 40,760 $101.15 100,000 I By SLAT-1 — — (F1) This sale was made in connection with a long-term strategy for estate planning purposes. (F2) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $100.62 to $101.57, inclusive. The reporting person undertakes to provide to Core Natural Resources, Inc., any security holder of Core Natural Resources, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.