$CLH 4/A SEC Filings

10-K 10-K405 10-K/A 10-Q 10-Q/A 144 15-15D 25 3 3/A 4 424B2 424B3 424B4 424B5 4/A 5 8-A12B 8-K 8-K/A ARS CERTNYS CORRESP DEF 14A DEFA14A EFFECT NT 10-K NT 10-Q PRE 14A PRER14A S-2 S-2/A S-3 S-3/A S-3ASR S-4 S-4/A S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13G SCHEDULE 13G/A UPLOAD