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Amphastar Pharmaceuticals, Inc.

For the period ended Sep 30, 2025. Filed Nov 6, 2025.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Nov 6, 2025

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

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Item 5. Other Information

Securities Trading Plans of Directors and Executive Officers

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

On August 22, 2025, Jacob Liawatidewi, our Executive Vice President of Sales and Marketing and Corporate Administration Center, President of Amphastar France Pharmaceuticals, S.A.S., Corporate Secretary, and Director, adopted a Rule 10b5-1 trading arrangement providing for the sale from time to time of an aggregate of up to 41,520 shares of our common stock. The trading arrangement is intended to satisfy the affirmative defense in Rule 10b5-1(c). The duration of the trading arrangement is until December 1, 2026, or earlier if all transactions under the trading arrangement are completed.

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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.

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