---
title: "AMPH.US (AMPH.US) — Related News"
type: "Symbol"
locale: "en"
url: "https://longbridge.com/en/quote/AMPH.US/news.md"
symbol: "AMPH.US"
name: "AMPH.US"
parent: "https://longbridge.com/en/quote/AMPH.US.md"
datetime: "2026-03-05T06:23:39.912Z"
locales:
  - [en](https://longbridge.com/en/quote/AMPH.US/news.md)
  - [zh-CN](https://longbridge.com/zh-CN/quote/AMPH.US/news.md)
  - [zh-HK](https://longbridge.com/zh-HK/quote/AMPH.US/news.md)
---

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# AMPH.US (AMPH.US) — Related News

### [Royce & Associates LP Raises Stock Holdings in Amphastar Pharmaceuticals, Inc. $AMPH](https://longbridge.com/en/news/277768061.md)
*2026-03-04T11:08:13.000Z*
> Royce & Associates LP increased its stake in Amphastar Pharmaceuticals, Inc. by 29.4% in Q3, owning 366,322 shares value

### [](https://longbridge.com/en/news/277104660.md)
*2026-02-26T21:57:56.000Z*
> Amphastar Pharmaceuticals shares are trading lower after the company reported worse-than-expected Q4 financial results.

### [Amphastar Q4 revenue misses estimates](https://longbridge.com/en/news/277102773.md)
*2026-02-26T21:48:29.000Z*
> Amphastar Pharmaceuticals reported Q4 revenue of $183.11 million, missing analyst expectations of $190.48 million. Adjus

### [Amphastar Pharma | 8-K: FY2025 Q4 Revenue Misses Estimate at USD 183.11 M](https://longbridge.com/en/news/277099132.md)
*2026-02-26T21:29:07.000Z*
### [Earnings Summary: Amphastar Pharma Q4](https://longbridge.com/en/news/277095865.md)
*2026-02-26T21:08:15.000Z*
> Amphastar Pharma (NASDAQ:AMPH) reported its Q4 earnings on February 26, 2026, missing estimates by 19.78% with an EPS of

### [Amphastar Pharmaceuticals Reports Financial Results for the Three Months and Full Year Ended December 31, 2025](https://longbridge.com/en/news/277095339.md)
*2026-02-26T21:05:02.000Z*
> Amphastar Pharmaceuticals reported financial results for the year ending December 31, 2025, with net revenues of $719.9 

### [Amphastar Pharma's quarterly earnings report on February 26, analysts anticipate an EPS of $0.91. Previous quarter, beat EPS by $0.14, resulted in a 0.83% drop in share price. Stock trading at $27.67, down 12.54% in 52 weeks. Market reactions often driven by guidance. Investors hopeful for positive outlook.](https://longbridge.com/en/news/276930377.md)
*2026-02-25T19:08:23.000Z*
> Amphastar Pharma (NASDAQ: AMPH) is set to release its quarterly earnings on February 26, 2026, with analysts forecasting