Peters William J reported AMPH

Source

Document

SEC Form 4

Publisher

U.S. Securities and Exchange Commission (EDGAR)

Document ID

0001263136-26-000016

Machine-readable

Structured copy

Timestamps

Event (reported)

Nov 5, 2026

Published

Nov 6, 2026

Ingested by INSIDER

Nov 6, 22:10 UTC

Last re-read

Nov 7, 09:09 UTC

Extracted facts

Filer

Peters William J

Role

Director, CFO, EVP & TREASURER

Transaction

Option exerciseAs filed: “M”

Asset

Amphastar Pharmaceuticals, Inc.

Ticker

AMPH

Shares

11.0K

Price per share

$17.99

Value

$197,890

Execution date (reported)

Nov 5, 2026

Owned after transaction

179.7K shares

Rule 10b5-1 plan

Yes, as checked by the filer

Days from execution to publication

1

Calculation

What this establishes

Peters William J filed this Form 4 reporting a option exercise of AMPH on Nov 5, 2026. It became public on Nov 6, 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, CFO, EVP & TREASURER

Peters William Jcik:0001263136

Issuer

Amphastar Pharmaceuticals, Inc.cik:0001297184

Revision history · 0

No field has changed since this record was first ingested.