$SIGI 3 SEC Filings

10-C 10-K 10-K405 10-K405/A 10-K/A 10-Q 10-Q/A 11-K 144 144/A 15-12B 25-NSE 3 4 424B2 424B3 424B5 4/A 8-A12B 8-A12B/A 8-K 8-K/A ARS AW CERT CERTNYS CORRESP DEF 14A DEFA14A FWP NO ACT POS AM POSASR PRE 14A PX14A6G RW S-3 S-3/A S-3ASR S-3D S-4 S-8 S-8 POS SC 13G SC 13G/A SCHEDULE 13G SCHEDULE 13G/A UPLOAD