Skip to main content

Amphastar Pharmaceuticals, Inc.

For the period ended Dec 31, 2025. Filed Feb 26, 2026.

View on SEC.gov

About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 26, 2026

AMPH$29.38+3.1%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

See the whole filing, with its images and exhibits
Contents

Item 9B. Other Information

Securities Trading Plans of Directors and Executive Officers

During our last fiscal quarter, the following director, as defined in Rule 16a-1(f), terminated a Rule 10b5-1 trading arrangement, as defined in Regulation S-K Item 408, as follows:

On November 7, 2025, Floyd Petersen, a member of our Board of Directors, terminated a Rule 10b5-1 trading plan providing for the sale from time to time of an aggregate of up to 6,000 shares of our common stock, that was adopted on November 26, 2024. The trading arrangement was intended to satisfy the affirmative defense of Rule 10b5-1(c).

No other officers or directors, as defined in Rule 16a-1(f), adopted orterminated a Rule 10b5-1 trading arrangement, or a non-Rule 10b5-1 trading arrangement, each as defined in Regulation S-K Item 408.

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.