More on AMPH

- Summary
- Chart
- Profile
- Historical

Data

- Earnings (-25.9% Growth)
- Ratings (1.8 Score)

Upcoming Events

- Earnings (8/10/26)

News

- Analyst Ratings
- Earnings Related
- Guidance
- Insider Trades
- Mgmt Changes
- M & A
- Retail Sales
- Rumors
- Stock Buybacks
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Amphastar Pharma (NQ:AMPH)
Delayed: 19.75 -0.11 (0.55%)
Prev. Close $19.86  
Open$19.84 
52 Wk High$21.53 
52 Wk Low$10.50 
Day High$20.35 
Day Low$19.63 
P/E 6.04  
EPS$3.27 
Volume338,457 


Jul 14, 2026 01:27 PM Form SCHEDULE 13G Amphastar Pharmaceutical Filed by: DIMENSIONAL FUND ADVISORS LP
Jul 13, 2026 07:38 PM Form 4 Amphastar Pharmaceutical For: Jul 09 Filed by: Pierce Anthony T
Jul 13, 2026 07:36 PM Form 3 Amphastar Pharmaceutical For: Jul 09 Filed by: Pierce Anthony T
Jul 13, 2026 06:03 AM Form 8-K Amphastar Pharmaceutical For: Jul 09
Jul 8, 2026 06:04 AM FDA issues warning letter to Amphastar Pharma subsidiary over manufacturing
Jul 8, 2026 06:02 AM Form 8-K Amphastar Pharmaceutical For: Jul 02
Jun 29, 2026 11:51 AM BofA cuts ratings on four biopharma stocks over valuation and catalyst concerns
Jun 29, 2026 06:10 AM BofA Securities Downgrades Amphastar Pharmaceuticals (AMPH) to Underperform
Jun 16, 2026 10:08 AM FDA approves second OTC naloxone nasal spray, Rextovy
Jun 3, 2026 09:22 PM Form 4 Amphastar Pharmaceutical For: Aug 19 Filed by: PRINS RICHARD K
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