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AMPHASTAR PHARMACEUTICALS IN (AMPH) Stock Ownership and Short Interest

USA - NASDAQ:AMPH - US03209R1032 - Common Stock

27 USD
-0.27 (-0.99%)
Last: 9/16/2025, 8:00:00 PM
27 USD
0 (0%)
After Hours: 9/16/2025, 8:00:00 PM
AMPH Ownership Chart.AMPH Ownership Chart: showing Insider, Institutional ownership and shares available to the public.AMPH Ownership.InsiderInstitutionalPublic



Shares Outstanding46.50M
Float35.33M
Float Short Interest Percentage11.76%
Owners (insider)9.16%
Owners (institutional)72.89%
Owners (insider) change2.88%
Owners (institutional) change-2.86%

No transactions were filed in the last 12 months.