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Klein Rosemary L

SEC insider (Form 3/4/5 filer). CIK 0001310202. SVP, CLO & Corp. Sec. at Core Natural Resources, Inc. (CNR) and 1 other issuer. 11 reported Form 4/5 transactions since Sep 2024; latest on Mar 19, 2026. Located in CANONSBURG, PA.

Companies Klein Rosemary L has filed insider reports for

  • Core Natural Resources, Inc. (CNR): Officer, SVP, CLO & Corp. Sec.
  • ARCH RESOURCES, INC. (ARCH): Officer, Sr. VP, Gen Counsel and Secary
Klein Rosemary L profile photo

Klein Rosemary L

CIK: 0001310202

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (18.2%)

Position reduction

Option Exercises (M)1 (9.1%)

Derivative conversions

Awards (A)4 (36.4%)

Compensation grants

Other (G, F, J, C, D, …)4 (36.4%)

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

Companies & Roles (2)

Core Natural Resources, Inc. logo
CNR

Core Natural Resources, Inc.

Officer
ARCH RESOURCES, INC. logo
ARCH

ARCH RESOURCES, INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (11 total)

  • Core Natural Resources, Inc. logo
    CNR

    Core Natural Resources, Inc.

    Mar 19, 2026
    Sale
    Direct
    10K shares at avg. $105.00$1.1M
  • Core Natural Resources, Inc. logo
    CNR

    Core Natural Resources, Inc.

    Mar 19, 2026
    Sale
    Direct
    5K shares at avg. $110.62$553K
  • Core Natural Resources, Inc. logo
    CNR

    Core Natural Resources, Inc.

    Feb 18, 2026
    Tax Payment
    Direct
    497 shares at avg. $88.96$44K
  • Core Natural Resources, Inc. logo
    CNR

    Core Natural Resources, Inc.

    Feb 18, 2026
    Tax Payment
    Direct
    746 shares at avg. $88.96$66K
  • Core Natural Resources, Inc. logo
    CNR

    Core Natural Resources, Inc.

    Feb 17, 2026
    Award
    Direct
    5.1K shares-
  • Core Natural Resources, Inc. logo
    CNR

    Core Natural Resources, Inc.

    Feb 18, 2025
    Award
    Direct
    5.1K shares-
  • Core Natural Resources, Inc. logo
    CNR

    Core Natural Resources, Inc.

    Feb 18, 2025
    Award
    Direct
    5.1K shares-
  • Core Natural Resources, Inc. logo
    CNR

    Core Natural Resources, Inc.

    Jan 14, 2025
    Award
    Direct
    54.6K shares-
  • ARCH RESOURCES, INC. logo
    ARCH

    ARCH RESOURCES, INC.

    Jan 14, 2025
    Disposition
    Direct
    27.5K shares-
  • ARCH RESOURCES, INC. logo
    ARCH

    ARCH RESOURCES, INC.

    Oct 13, 2024
    Exercise
    Direct
    757 shares-

1-10 of 11