$COHR 8-K SEC Filings

10-C 10-K 10-K405 10-K/A 10-Q 10-Q/A 144 144/A 15-12G 25 25-NSE 3 3/A 4 424B1 424B3 424B5 425 4/A 5 8-A12B 8-A12G 8-K 8-K/A ARS CERT CORRESP D DEF 14A DEFA14A EFFECT FWP POS AM POSASR PRE 14A S-3 S-3/A S-3ASR S-4 S-4/A S-4MEF 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-T SC TO-T/A SD UPLOAD