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$NIU SEC Filings

Filed On Filing
18 May 2026 FORM 6-K
17 Apr 2026 20-F
06 Apr 2026 FORM 6-K
18 Mar 2026 FORM 6-K
17 Mar 2026 OWNERSHIP DOCUMENT
16 Mar 2026 144
13 Mar 2026 SCHEDULE 13D/A
06 Mar 2026 OWNERSHIP DOCUMENT
06 Mar 2026 OWNERSHIP DOCUMENT
04 Mar 2026 SCHEDULE 13D/A
04 Mar 2026 OWNERSHIP DOCUMENT
04 Mar 2026 OWNERSHIP DOCUMENT
04 Mar 2026 OWNERSHIP DOCUMENT
11 Feb 2026 SCHEDULE 13D/A
02 Feb 2026 SCHEDULE 13D/A
12 Jan 2026 144
12 Jan 2026 144
05 Jan 2026 FORM 6-K
17 Nov 2025 FORM 6-K
06 Oct 2025 FORM 6-K

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