$AMPH Market Cap:
Research Board Inbox Deep Research Not Interested Shortlisted

$AMPH SEC Filings

Filing Filed On
8-K 08 Aug 2022
OWNERSHIP DOCUMENT 02 Aug 2022
OWNERSHIP DOCUMENT 19 Jul 2022
OWNERSHIP DOCUMENT 18 Jul 2022
OWNERSHIP DOCUMENT 12 Jul 2022
8-K 08 Jul 2022
OWNERSHIP DOCUMENT 06 Jul 2022
OWNERSHIP DOCUMENT 05 Jul 2022
OWNERSHIP DOCUMENT 05 Jul 2022
OWNERSHIP DOCUMENT 01 Jul 2022
OWNERSHIP DOCUMENT 22 Jun 2022
OWNERSHIP DOCUMENT 15 Jun 2022
OWNERSHIP DOCUMENT 14 Jun 2022
OWNERSHIP DOCUMENT 14 Jun 2022
OWNERSHIP DOCUMENT 14 Jun 2022
OWNERSHIP DOCUMENT 14 Jun 2022
OWNERSHIP DOCUMENT 14 Jun 2022
OWNERSHIP DOCUMENT 14 Jun 2022
8-K 13 Jun 2022
OWNERSHIP DOCUMENT 07 Jun 2022