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.

Cyngn Inc. SEC filings
Form Description Filed Period
424B5 Prospectus supplement Mar 17, 2026 —
S-8 Employee stock plan registration Jan 28, 2026 —
S-3 Shelf registration Sep 5, 2025 —
424B5 Prospectus supplement Jun 30, 2025 —
424B5 Prospectus supplement Jun 27, 2025 —
S-8 Employee stock plan registration Mar 21, 2025 —
424B5 Prospectus supplement Dec 31, 2024 —
424B4 Prospectus Dec 23, 2024 —
S-1/A Amended registration statement Dec 18, 2024 —
424B3 Prospectus Dec 6, 2024 —
S-1 Registration statement Nov 27, 2024 —
S-3 Shelf registration Nov 25, 2024 —
424B4 Prospectus Apr 24, 2024 —
S-1/A Amended registration statement Apr 23, 2024 —
S-1 Registration statement Apr 12, 2024 —
S-8 Employee stock plan registration Jan 31, 2024 —
424B4 Prospectus Dec 11, 2023 —
S-1/A Amended registration statement Dec 5, 2023 —
S-1/A Amended registration statement Nov 28, 2023 —
S-1 Registration statement Nov 14, 2023 —
424B3 Prospectus Jun 15, 2023 —
S-3/A Amendment no. 1 to form s-3 May 31, 2023 —
S-3 Shelf registration May 2, 2023 —
424B3 Prospectus Jan 20, 2023 —
POS AM Post-effective amendment no. 1 to form s-1 Jan 9, 2023 —
424B3 Prospectus May 17, 2022 —
S-1 Registration statement May 12, 2022 —
S-8 Employee stock plan registration Jan 12, 2022 —
424B4 Prospectus Oct 21, 2021 —
S-1/A Amended registration statement Oct 15, 2021 —
FWP Free writing prospectus Oct 12, 2021 —
S-1/A Amended registration statement Sep 30, 2021 —
S-1 Registration statement Sep 3, 2021 —

Showing 33 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.

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.