Insider Transactions and Holdings
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Entity Type
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Individual
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Role
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Director
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Stock Symbol
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AMPH on Nasdaq
Richard K. Prins - trading volume in the past year for Amphastar Pharmaceuticals, Inc.
| Class |
Num Shares |
Value |
Price $ |
Transaction Date |
Ownership |
Underlying Class |
Underlying Amount |
| Common Stock |
34K |
$1.46M |
$43.07 |
Aug 12, 2024 |
Direct |
|
|
| Stock Option (right to buy) |
10K |
|
|
Aug 12, 2024 |
Direct |
Common Stock |
|
| Sym |
Class |
Transaction |
% |
Value $ |
* Price $ |
Shares |
Shares After |
Date |
Ownership |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.