Niki BioSolutions, Inc. SEC filings NIKI
Niki BioSolutions, Inc. has 258 filings in SEC EDGAR's recent list, going back to Mar 28, 2018. Its latest annual report, Form 20-F, was filed on Mar 27, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 8-K) was filed on Oct 13, 2026 (officer or director change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Oct 21, 2026 | Jul 22, 2026 |
| 4 | Insider transaction | Oct 21, 2026 | Jul 22, 2026 |
| 4 | Insider transaction | Oct 21, 2026 | Jul 22, 2026 |
| 3 | Initial insider ownership | Aug 13, 2026 | Jul 20, 2026 |
| 3 | Initial insider ownership | Aug 13, 2026 | Jul 20, 2026 |
| 3 | Initial insider ownership | Jul 28, 2026 | Jul 20, 2026 |
| SCHEDULE 13D | Ownership over 5% (active) | Jul 24, 2026 | — |
| 3 | Initial insider ownership | Jul 24, 2026 | Jul 20, 2026 |
| 3 | Initial insider ownership | Jul 24, 2026 | Jul 20, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 10, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 6, 2025 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 16, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 2, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 24, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 7, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jun 1, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 8, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Mar 10, 2020 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jul 11, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 8, 2019 | — |
| SC 13D/A | Amended ownership over 5% (active) | May 8, 2019 | — |
| SC 13D | Ownership over 5% (active) | Jan 3, 2019 | — |
| SC 13D | Ownership over 5% (active) | Jan 3, 2019 | — |
| SC 13D | Ownership over 5% (active) | Mar 28, 2018 | — |
Showing 25 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Measuring & Controlling Devices, NEC (SIC 3829)
- Listed as
- NIKI (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- Cayman Islands
- Headquarters
- Princeton, NJ
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1734005
- Former names
- Aptorum Group Ltd (until Jun 22, 2026)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.