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Humpton Barbara

SEC insider (Form 3/4/5 filer). CIK 0001790041. Former Chief Executive Officer at USA Rare Earth, Inc. (USAR) and 2 other issuers. 11 reported Form 4/5 transactions since Sep 2024; latest on Oct 2, 2026. Located in STILLWATER, OK.

Companies Humpton Barbara has filed insider reports for

  • USA Rare Earth, Inc. (USAR): Officer, Former Chief Executive Officer
  • MARA Holdings, Inc. (MARA): Director
  • TRIUMPH GROUP INC (TGI): Director
Humpton Barbara profile photo

Humpton Barbara

CIK: 0001790041

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (9.1%)

Position reduction

Option Exercises (M)3 (27.3%)

Derivative conversions

Awards (A)6 (54.5%)

Compensation grants

Other (G, F, J, C, D, …)1 (9.1%)

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

Companies & Roles (3)

USA Rare Earth, Inc. logo
USAR

USA Rare Earth, Inc.

Officer
MARA Holdings, Inc. logo
MARA

MARA Holdings, Inc.

Director
TRIUMPH GROUP INC logo
TGI

TRIUMPH GROUP INC

Director

Discretionary Trading P&L

Holdings

Transaction History (11 total)

  • USA Rare Earth, Inc. logo
    USAR

    USA Rare Earth, Inc.

    Oct 2, 2026
    Sale
    Direct
    88.4K shares at avg. $13.75$1.2M
  • USA Rare Earth, Inc. logo
    USAR

    USA Rare Earth, Inc.

    Oct 1, 2026
    Exercise
    Direct
    83.6K shares at avg. $13.80$1.2M
  • USA Rare Earth, Inc. logo
    USAR

    USA Rare Earth, Inc.

    Oct 1, 2026
    Exercise
    Direct
    104.4K shares at avg. $13.80$1.4M
  • USA Rare Earth, Inc. logo
    USAR

    USA Rare Earth, Inc.

    Oct 1, 2026
    Exercise
    Direct
    31.3K shares at avg. $13.80$432K
  • MARA Holdings, Inc. logo
    MARA

    MARA Holdings, Inc.

    Feb 13, 2026
    Award
    Direct
    82.8K shares-
  • USA Rare Earth, Inc. logo
    USAR

    USA Rare Earth, Inc.

    Oct 1, 2025
    Award

    Restricted Stock Units

    Direct
    250.7K shares-
  • USA Rare Earth, Inc. logo
    USAR

    USA Rare Earth, Inc.

    Oct 1, 2025
    Award

    Restricted Stock Units

    Direct
    313.3K shares-
  • USA Rare Earth, Inc. logo
    USAR

    USA Rare Earth, Inc.

    Oct 1, 2025
    Award

    Restricted Stock Units

    Direct
    62.7K shares-
  • TRIUMPH GROUP INC logo
    TGI

    TRIUMPH GROUP INC

    Jul 24, 2025
    Disposition
    Direct
    62.1K shares-
  • MARA Holdings, Inc. logo
    MARA

    MARA Holdings, Inc.

    Feb 28, 2025
    Award
    Direct
    43.1K shares-

1-10 of 11