$NIU SEC Filings

Filing Filed On
FORM 20-F/A 08 Aug 2023
UPLOAD 25 Jul 2023
CORRESP 21 Jul 2023
CORRESP 10 Jul 2023
FORM 6-K 05 Jul 2023
UPLOAD 26 Jun 2023
FORM 6-K 22 May 2023
FORM 20-F 21 Apr 2023
FORM 6-K 21 Apr 2023
FORM 6-K 06 Apr 2023
FORM 6-K 20 Mar 2023
SC 13G/A 10 Feb 2023
SC 13G/A 09 Feb 2023
SC 13G/A 09 Feb 2023
SEC SCHEDULE 13G 06 Feb 2023
AMENDMENT NO. 1 03 Feb 2023
FORM 6-K 06 Jan 2023
FORM 6-K 21 Nov 2022
FORM 6-K 07 Oct 2022
FORM 6-K 07 Oct 2022