$OXY PRE 14A SEC Filings

10-K 10-K405 10-K/A 10-Q 11-K 13F-HR 13F-HR/A 15-12B 25 25-NSE 3 3/A 4 424B1 424B2 424B3 424B5 424B7 425 4/A 5 8-A12B 8-B12B/A 8-K 8-K/A ARS CERT CORRESP DEF 14A DEFA14A DEFC14A DFAN14A EFFECT FWP NO ACT POS AM POSASR PRE 14A PREC14A PRER14A PRRN14A PX14A6G S-3 S-3/A S-3ASR S-3D 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-I SC TO-I/A SD UPLOAD