$AMT 4 SEC Filings

10-K 10-K/A 10-Q 10-Q/A 11-K 144 15-12B 25-NSE 3 305B2 305B2/A 3/A 4 424A 424B2 424B3 424B4 424B5 424B8 425 4/A 5 8-A12B 8-K 8-K/A ARS CERT CERTNYS CORRESP CT ORDER DEF 14A DEFA14A DEFM14A DEFR14A EFFECT FWP NO ACT NT 10-K NT 10-Q POS AM POSASR PRE 14A PRER14A PX14A6G RW S-1 S-1/A S-1MEF S-3 S-3/A S-3ASR S-3MEF S-4 S-4/A S-8 S-8 POS SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13D/A SCHEDULE 13G SCHEDULE 13G/A SC TO-C SC TO-I SC TO-I/A SC TO-T SC TO-T/A UPLOAD