$NIU SEC Filings

Filing Filed On
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
SCHEDULE 13G/A 26 Jan 2022
SCHEDULE 13G/A 26 Jan 2022
SC 13G/A 27 Jan 2021
SC 13G/A 27 Jan 2021
SC 13G/A 16 Jan 2020