$DUK SEC Filings

10-K 10-K/A 10-Q 10-Q/A 11-K 144 144/A 25-NSE 3 3/A 4 424B2 424B3 424B5 425 4/A 5 8-A12B 8-K 8-K12B 8-K/A ARS CERT CERTNYS CORRESP CT ORDER DEF 14A DEFA14A DFAN14A EFFECT FWP NO ACT POS AM POSASR PRE 14A PX14A6G S-3ASR S-4 S-4/A S-8 S-8 POS SC 13G SC 13G/A SCHEDULE 13G SCHEDULE 13G/A UPLOAD