$SER 8-K SEC Filings

10-12B 10-12B/A 10-K 10-K/A 10-Q 144 3 3/A 4 424B3 424B5 425 5 8-K ARS CERT CORRESP CT ORDER D DEF 14A DEFA14A DEFC14A DEFR14A EFFECT POS EX PRE 14A PRER14A S-1 S-1/A S-3 S-3/A S-4 S-4/A S-8 SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13G SEC STAFF ACTION UPLOAD