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

$AMPH SEC Filings

Filing Filed On
OWNERSHIP DOCUMENT 18 May 2023
144 17 May 2023
144 17 May 2023
OWNERSHIP DOCUMENT 17 May 2023
OWNERSHIP DOCUMENT 16 May 2023
144 16 May 2023
OWNERSHIP DOCUMENT 16 May 2023
144 15 May 2023
144 12 May 2023
10-Q 09 May 2023
8-K 09 May 2023
8-K 24 Apr 2023
OWNERSHIP DOCUMENT 18 Apr 2023
OWNERSHIP DOCUMENT 14 Apr 2023
OWNERSHIP DOCUMENT 14 Apr 2023
ARS 14 Apr 2023
DEFA14A 14 Apr 2023
DEF 14A 14 Apr 2023
144 13 Apr 2023
144 13 Apr 2023