Amphastar Pharmaceuticals Reports Quarterly Results for June 30, 2026

What Happened
Amphastar Pharmaceuticals, Inc. announced on August 6, 2026 that it issued a press release reporting its financial results for the three months ended June 30, 2026. The press release is furnished as Exhibit 99.1 to the Form 8‑K filed the same day. The report was signed by William J. Peters, Chief Financial Officer, Executive Vice President and Treasurer.

Key Details

• Filing date: August 6, 2026; reporting period: three months ended June 30, 2026.
• Press release announcing the results furnished as Exhibit 99.1 to the Form 8‑K.
• The filing includes an Inline XBRL cover page data file (Exhibit 104).
• The company states the information and Exhibit 99.1 are furnished (not "filed") and are not deemed incorporated by reference under the securities laws.

Why It Matters
This 8‑K informs investors that Amphastar has released its latest quarterly financial results; investors should review the furnished press release (Exhibit 99.1) for the specific earnings, revenue, and other performance metrics. Note the company’s legal disclaimer that the release is furnished rather than filed, which affects how the information is treated for certain disclosure and liability purposes.