$NVS DFAN14A SEC Filings

144 20-F 20-F/A 3 3/A 4 424B2 424B3 424B5 425 4/A 5 6-K 6-K/A CORRESP CT ORDER DFAN14A EFFECT F-3 F-3ASR F-4 F-4/A F-6EF F-6 POS FWP IRANNOTICE POSASR S-8 S-8 POS SC 13D SC 13D/A SC 13E3 SC 13E3/A SC 13G SC 13G/A SCHEDULE 13G SC TO-C SC TO-T SC TO-T/A SD UPLOAD