Skip to main content
Signal8

Pierce Anthony T

SEC insider (Form 3/4/5 filer). CIK 0002141303. Director at Amphastar Pharmaceuticals, Inc. (AMPH). 1 reported Form 4/5 transaction since Sep 2024; latest on Jul 9, 2026. Located in RANCHO CUCAMONGA, CA.

Companies Pierce Anthony T has filed insider reports for

  • Amphastar Pharmaceuticals, Inc. (AMPH): Director
Pierce Anthony T profile photo

Pierce Anthony T

CIK: 0002141303

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)1 (100.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

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

Companies & Roles (1)

Amphastar Pharmaceuticals, Inc. logo
AMPH

Amphastar Pharmaceuticals, Inc.

Director

Discretionary Trading P&L

Holdings

Transaction History (1 total)

  • Amphastar Pharmaceuticals, Inc. logo
    AMPH

    Amphastar Pharmaceuticals, Inc.

    Jul 9, 2026
    Award
    Direct
    7.9K shares-

1-1 of 1