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Amron Arthur H

SEC insider (Form 3/4/5 filer). CIK 0001179697. Director at NEPHROS INC (NEPH) and 1 other issuer. 16 reported Form 4/5 transactions since Sep 2024; latest on Sep 14, 2026. Located in SCARSDALE, NY.

Companies Amron Arthur H has filed insider reports for

  • NEPHROS INC (NEPH): Director
  • MAMMOTH ENERGY SERVICES, INC. (TUSK): Director
Amron Arthur H profile photo

Amron Arthur H

CIK: 0001179697

Transaction Breakdown

Open Market Buys (P)6 (37.5%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)5 (31.3%)

Compensation grants

Other (G, F, J, C, D, …)5 (31.3%)

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

Companies & Roles (2)

NEPHROS INC logo
NEPH

NEPHROS INC

Director
MAMMOTH ENERGY SERVICES, INC. logo
TUSK

MAMMOTH ENERGY SERVICES, INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (16 total)

  • NEPHROS INC logo
    NEPH

    NEPHROS INC

    Sep 14, 2026
    Other
    Direct
    17.7K shares-
  • NEPHROS INC logo
    NEPH

    NEPHROS INC

    Sep 14, 2026
    Other
    Indirect
    22.7K shares at avg. $3.95$90K
  • NEPHROS INC logo
    NEPH

    NEPHROS INC

    Sep 14, 2026
    Other
    Indirect
    2.8K shares-
  • NEPHROS INC logo
    NEPH

    NEPHROS INC

    Aug 12, 2026
    Award
    Direct
    2.4K shares-
  • MAMMOTH ENERGY SERVICES, INC. logo
    TUSK

    MAMMOTH ENERGY SERVICES, INC.

    Jun 17, 2026
    Other
    Direct
    19.1K shares-
  • MAMMOTH ENERGY SERVICES, INC. logo
    TUSK

    MAMMOTH ENERGY SERVICES, INC.

    Jun 17, 2026
    Other
    Indirect
    10.3K shares-
  • MAMMOTH ENERGY SERVICES, INC. logo
    TUSK

    MAMMOTH ENERGY SERVICES, INC.

    Jun 12, 2026
    Purchase
    Direct
    2K shares at avg. $3.28$7K
  • MAMMOTH ENERGY SERVICES, INC. logo
    TUSK

    MAMMOTH ENERGY SERVICES, INC.

    Jun 11, 2026
    Purchase
    Direct
    2.5K shares at avg. $3.22$8K
  • MAMMOTH ENERGY SERVICES, INC. logo
    TUSK

    MAMMOTH ENERGY SERVICES, INC.

    May 28, 2026
    Purchase
    Direct
    3K shares at avg. $3.25$10K
  • MAMMOTH ENERGY SERVICES, INC. logo
    TUSK

    MAMMOTH ENERGY SERVICES, INC.

    May 26, 2026
    Purchase
    Direct
    2.5K shares at avg. $3.24$8K

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