Gaugh David Russell reported AMPH

Source

Document

SEC Form 4

Publisher

U.S. Securities and Exchange Commission (EDGAR)

Document ID

0002075974-26-000003

Machine-readable

Structured copy

Timestamps

Event (reported)

Jun 1, 2026

Published

Jun 3, 2026

Ingested by INSIDER

Nov 5, 03:55 UTC

Last re-read

Nov 5, 03:55 UTC

Extracted facts

Filer

Gaugh David Russell

Role

Director

Transaction

Grant or awardAs filed: “A”

Asset

Amphastar Pharmaceuticals, Inc. — Stock Option (right to buy)

Ticker

AMPH

Shares

17.4K

Price per share

$0

Execution date (reported)

Jun 1, 2026

Owned after transaction

17.4K shares

Days from execution to publication

2

What this establishes

Gaugh David Russell filed this Form 4 reporting a grant or award of AMPH on Jun 1, 2026. It became public on Jun 3, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.

Extraction

Method

Form 4 XML

Confidence

1.00

Director

Gaugh David Russellcik:0002075974

Issuer

Amphastar Pharmaceuticals, Inc.cik:0001297184

Revision history · 0

No field has changed since this record was first ingested.