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

$AMPH SEC Filings

Filing Filed On
OWNERSHIP DOCUMENT 12 Apr 2023
OWNERSHIP DOCUMENT 12 Apr 2023
OWNERSHIP DOCUMENT 04 Apr 2023
OWNERSHIP DOCUMENT 20 Mar 2023
OWNERSHIP DOCUMENT 20 Mar 2023
OWNERSHIP DOCUMENT 20 Mar 2023
OWNERSHIP DOCUMENT 20 Mar 2023
OWNERSHIP DOCUMENT 17 Mar 2023
OWNERSHIP DOCUMENT 17 Mar 2023
OWNERSHIP DOCUMENT 17 Mar 2023
OWNERSHIP DOCUMENT 17 Mar 2023
8-K 10 Mar 2023
OWNERSHIP DOCUMENT 08 Mar 2023
OWNERSHIP DOCUMENT 08 Mar 2023
OWNERSHIP DOCUMENT 08 Mar 2023
OWNERSHIP DOCUMENT 08 Mar 2023
OWNERSHIP DOCUMENT 03 Mar 2023
OWNERSHIP DOCUMENT 02 Mar 2023
S-8 01 Mar 2023
10-K 01 Mar 2023