BlackRock Municipal Credit Alpha Portfolio, Inc. 4/A SEC Filings

24F-2NT 25-NSE 3 3/A 4 40-17G 40-17G/A 40-6C 40-6C/A 424B3 425 486BPOS 497 4/A 8-A12B 8-K APP WD CERTNYS CORRESP DEF 14A DEFA14A DEFR14A EFFECT N-14 8C N-14 8C/A N-2 N-23C-2 N-23C-2/A N-23C3A N-2/A N-8A N-CEN N-CEN/A N-CSR N-CSR/A N-CSRS NPORT-EX NPORT-P NPORT-P/A N-PX N-Q NSAR-A NSAR-A/A NSAR-B NSAR-B/A POS EX PRE 14A PREC14A SC 13D SC 13D/A SC 13G SC 13G/A SCHEDULE 13D SCHEDULE 13G/A SC TO-C SC TO-I SC TO-I/A