$SPHR 8-K SEC Filings

10-12B 10-12B/A 10-K 10-K/A 10-KT 10-Q 10-Q/A 144 144/A 3 3/A 4 424B3 425 4/A 8-K 8-K/A CERT CORRESP DEF 14A DEFA14A DRS DRS/A DRSLTR EFFECT PRE 14A S-4 S-4/A S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13D/A SCHEDULE 13G SCHEDULE 13G/A SD SEC STAFF ACTION SEC STAFF LETTER UPLOAD