LIGAND PHARMACEUTICALS INC — SCHEDULE 13D Filings

All 10-K 10-K/A 10-Q 10-Q/A 144 144/A 15-12G 3 3/A 4 4/A 424B1 424B3 424B5 425 5 8-A12B 8-A12G 8-A12G/A 8-K 8-K/A ARS CORRESP CT ORDER D DEF 14A DEFA14A DEFM14A DEFN14A DFAN14A EFFECT NT 10-K NT 10-Q POS AM PRE 14A PREM14A PREN14A PRER14A S-1 S-1/A S-3 S-3/A S-3ASR S-4 S-4/A S-8 S-8 POS SC 13D SC 13D/A SC 13E3 SC 13E3/A SC 13E4 SC 13E4/A SC 13G SC 13G/A SC TO-C SC TO-T SC TO-T/A SCHEDULE 13D SCHEDULE 13D/A SCHEDULE 13G/A UPLOAD