Cyngn Inc. SEC filings CYN
Cyngn Inc. has 252 filings in SEC EDGAR's recent list, going back to Jul 28, 2021. Its latest annual report, Form 10-K, was filed on Mar 27, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 13, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 30, 2026 (listing notice, officer or director change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 22, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 7, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Oct 21, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 31, 2025 | — |
| 3 | Initial insider ownership | May 15, 2025 | May 6, 2025 |
| 3 | Initial insider ownership | May 15, 2025 | May 6, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 7, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 8, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 8, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jan 7, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 3, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Dec 31, 2024 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Dec 31, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 13, 2024 | — |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| 4 | Insider transaction | May 3, 2024 | May 1, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 23, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Jan 10, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Jan 4, 2024 | — |
| 4 | Insider transaction | Nov 9, 2023 | Nov 7, 2023 |
| 4 | Insider transaction | Nov 9, 2023 | Nov 7, 2023 |
| 4 | Insider transaction | Nov 9, 2023 | Nov 7, 2023 |
| 4 | Insider transaction | May 31, 2023 | May 27, 2023 |
| 4 | Insider transaction | May 31, 2023 | May 27, 2023 |
| 4 | Insider transaction | May 31, 2023 | May 27, 2023 |
| 4 | Insider transaction | Apr 4, 2023 | Mar 31, 2023 |
| 4 | Insider transaction | Nov 10, 2022 | Nov 8, 2022 |
| 4 | Insider transaction | Nov 10, 2022 | Nov 8, 2022 |
| 4 | Insider transaction | Nov 10, 2022 | Nov 8, 2022 |
| 4 | Insider transaction | Aug 1, 2022 | Jul 27, 2022 |
| 4 | Insider transaction | Jul 20, 2022 | Jul 13, 2022 |
| 4 | Insider transaction | Jul 20, 2022 | Jul 13, 2022 |
| 4 | Insider transaction | Jul 20, 2022 | Jul 13, 2022 |
| 4 | Insider transaction | May 4, 2022 | May 2, 2022 |
| 4 | Insider transaction | May 3, 2022 | May 2, 2022 |
| 4 | Insider transaction | May 3, 2022 | May 2, 2022 |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 14, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13D | Ownership over 5% (active) | Feb 8, 2022 | — |
| 4 | Insider transaction | Feb 3, 2022 | Feb 2, 2022 |
| 4 | Insider transaction | Nov 17, 2021 | Nov 16, 2021 |
| 4 | Insider transaction | Nov 17, 2021 | Nov 16, 2021 |
| 4 | Insider transaction | Nov 17, 2021 | Nov 16, 2021 |
| 4 | Insider transaction | Oct 26, 2021 | Oct 22, 2021 |
| 3 | Initial insider ownership | Oct 25, 2021 | Oct 19, 2021 |
| 4 | Insider transaction | Oct 22, 2021 | Oct 22, 2021 |
| 4 | Insider transaction | Oct 22, 2021 | Oct 22, 2021 |
| 4 | Insider transaction | Oct 22, 2021 | Oct 22, 2021 |
| 4 | Insider transaction | Oct 22, 2021 | Oct 22, 2021 |
| 3 | Initial insider ownership | Oct 19, 2021 | Oct 19, 2021 |
| 3 | Initial insider ownership | Oct 19, 2021 | Oct 19, 2021 |
| 3 | Initial insider ownership | Oct 19, 2021 | Oct 19, 2021 |
| 3 | Initial insider ownership | Oct 19, 2021 | Oct 19, 2021 |
| 3 | Initial insider ownership | Oct 19, 2021 | Oct 19, 2021 |
| 3 | Initial insider ownership | Oct 19, 2021 | Oct 19, 2021 |
| 3 | Initial insider ownership | Oct 19, 2021 | Oct 19, 2021 |
| 3 | Initial insider ownership | Oct 19, 2021 | Oct 19, 2021 |
| 3 | Initial insider ownership | Oct 19, 2021 | Oct 19, 2021 |
| 3 | Initial insider ownership | Oct 19, 2021 | Oct 19, 2021 |
Showing 69 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
- Services-Computer Programming Services (SIC 7371)
- Listed as
- CYN (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Mountain View, CA
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1874097
- Former names
- Cyngn, Inc. (until Nov 4, 2021)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.