$NI SC 13G SEC Filings

10-K 10-K405 10-K/A 10-Q 11-K 144 15-12B 15-15D 25 25-NSE 3 35-CERT 3/A 4 424B2 424B3 424B4 424B5 425 4/A 5 8-A12B 8-A12B/A 8-K 8-K/A ARS CERT CORRESP DEF 14A DEFA14A EFFECT FWP NO ACT NT 10-K NT 11-K POS AM POS AMC POSASR PRE 14A PRER14A PX14A6G S-1 S-3 S-3/A S-3ASR S-4 S-4/A S-8 S-8 POS SC 13G SC 13G/A SCHEDULE 13G SCHEDULE 13G/A SC TO-C SC TO-I SC TO-I/A SE U-1 U-12-IA U-12-IB U-13-60 U-1/A U5A U5B U5B/A U5S U5S/A U-6B-2 U-9C-3 UPLOAD