$AMPH SEC Filings

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