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

$AMPH SEC Filings

Filing Filed On
OWNERSHIP DOCUMENT 06 Jun 2022
OWNERSHIP DOCUMENT 02 Jun 2022
OWNERSHIP DOCUMENT 25 May 2022
OWNERSHIP DOCUMENT 23 May 2022
OWNERSHIP DOCUMENT 20 May 2022
OWNERSHIP DOCUMENT 20 May 2022
OWNERSHIP DOCUMENT 19 May 2022
OWNERSHIP DOCUMENT 18 May 2022
OWNERSHIP DOCUMENT 17 May 2022
10-Q 10 May 2022
8-K 09 May 2022
OWNERSHIP DOCUMENT 03 May 2022
8-K 22 Apr 2022
DEF 14A 14 Apr 2022
DEFA14A 14 Apr 2022
OWNERSHIP DOCUMENT 04 Apr 2022
OWNERSHIP DOCUMENT 18 Mar 2022
OWNERSHIP DOCUMENT 18 Mar 2022
OWNERSHIP DOCUMENT 18 Mar 2022
OWNERSHIP DOCUMENT 18 Mar 2022