$NIU SEC Filings

Filing Filed On
SC 13D/A 25 Nov 2020
SC 13D/A 13 Nov 2020
SC 13D/A 23 Oct 2020
SC 13D/A 19 Oct 2020
SC 13D/A 05 Oct 2020
SC 13D/A 10 Jul 2020
SC 13D/A 29 Jun 2020