$AMPH SEC Filings

Filing Filed On
8-K 10 Aug 2021
8-K 09 Aug 2021
8-K 09 Aug 2021
10-Q 09 Aug 2021
OWNERSHIP DOCUMENT 04 Aug 2021
OWNERSHIP DOCUMENT 03 Aug 2021
OWNERSHIP DOCUMENT 27 Jul 2021
OWNERSHIP DOCUMENT 22 Jul 2021
OWNERSHIP DOCUMENT 16 Jul 2021
OWNERSHIP DOCUMENT 08 Jul 2021
OWNERSHIP DOCUMENT 15 Jun 2021
OWNERSHIP DOCUMENT 14 Jun 2021
OWNERSHIP DOCUMENT 10 Jun 2021
8-K 08 Jun 2021
OWNERSHIP DOCUMENT 08 Jun 2021
OWNERSHIP DOCUMENT 08 Jun 2021
OWNERSHIP DOCUMENT 08 Jun 2021
OWNERSHIP DOCUMENT 08 Jun 2021
OWNERSHIP DOCUMENT 08 Jun 2021
OWNERSHIP DOCUMENT 08 Jun 2021