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$AMPH 3 SEC Filings

Filed On Filing
22 Jul 2025 3
08 Jun 2021 OWNERSHIP DOCUMENT
09 Jun 2020 3
13 Jun 2019 3
18 Jun 2018 3
17 Jun 2015 FORM 3 SUBMISSION
24 Jun 2014 3
24 Jun 2014 3
24 Jun 2014 3
24 Jun 2014 3
24 Jun 2014 3
24 Jun 2014 3
24 Jun 2014 3
24 Jun 2014 3
24 Jun 2014 3
24 Jun 2014 3
24 Jun 2014 3
24 Jun 2014 3
24 Jun 2014 3

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