Amphastar Pharmaceuticals, Inc.·4

Jun 4, 7:45 PM ET

Deflin Gayle 4

4 · Amphastar Pharmaceuticals, Inc. · Filed Jun 4, 2025

Insider Transaction Report

Form 4
Period: 2025-06-02
Deflin Gayle
Director
Transactions
  • Award

    Stock Option (right to buy)

    2025-06-02+11,40211,402 total
    Exercise: $25.38Exp: 2035-06-02Common Stock (11,402 underlying)
  • Award

    Common Stock

    2025-06-02+5,12210,914 total
Footnotes (2)
  • [F1]The reported shares are represented by restricted stock units, or RSUs, all of which vest on June 2, 2026.
  • [F2]All of the shares subject to the option vest on June 2, 2026.

Documents

1 file
  • 4
    form4-06042025_110612.xmlPrimary