Klein Rosemary L

Klein Rosemary L is listed in filings as SVP at Core Natural Resources, Inc.. This profile follows SEC Form 4 activity through Mar 20, 2026, including sale activity. Recent filings connect the profile to Core Natural Resources, Inc. (CNR) and Arch Resources, Inc. (ARCH). The current snapshot covers public activity from Oct 15, 2024 to Mar 20, 2026. Reported amounts are shown as $66.4K to $553.1K. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.