Cyngn Inc. — All Filings
239 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 10-K | ANNUAL REPORT | 0001213900-26-034900 | Mar 27, 2026 | Dec 31, 2025 |
| 8-K | CURRENT REPORT | 0001213900-26-034199 | Mar 25, 2026 | — |
| 8-K | CURRENT REPORT | 0001213900-26-029129 | Mar 17, 2026 | Mar 16, 2026 |
| 424B5 | PROSPECTUS SUPPLEMENT | 0001213900-26-028909 | Mar 17, 2026 | — |
| 8-K | CURRENT REPORT | 0001213900-26-028325 | Mar 16, 2026 | Mar 11, 2026 |
| 8-K | CURRENT REPORT | 0001213900-26-013688 | Feb 9, 2026 | Feb 3, 2026 |
| 8-K | CURRENT REPORT | 0001213900-26-010347 | Jan 30, 2026 | — |
| S-8 | REGISTRATION STATEMENT | 0001213900-26-008954 | Jan 28, 2026 | — |
| SCHEDULE 13G/A | — | 0001535610-26-000002 | Jan 7, 2026 | — |
| 8-K | CURRENT REPORT | 0001213900-25-118839 | Dec 5, 2025 | — |
| 8-K | CURRENT REPORT | 0001213900-25-118354 | Dec 4, 2025 | Dec 3, 2025 |
| 10-Q | QUARTERLY REPORT | 0001213900-25-112611 | Nov 19, 2025 | Sep 30, 2025 |
| 8-K | CURRENT REPORT | 0001213900-25-112325 | Nov 19, 2025 | Nov 18, 2025 |
| NT 10-Q | NOTIFICATION OF LATE FILING | 0001213900-25-111003 | Nov 14, 2025 | Sep 30, 2025 |
| 10-K/A | AMENDMENT NO. 1 TO FORM 10-K | 0001213900-25-110998 | Nov 14, 2025 | Dec 31, 2024 |
| 8-K | CURRENT REPORT | 0001213900-25-107677 | Nov 7, 2025 | Nov 4, 2025 |
| 8-K | CURRENT REPORT | 0001213900-25-102240 | Oct 24, 2025 | Oct 22, 2025 |
| DEFA14A | PROXY STATEMENT | 0001213900-25-101298 | Oct 22, 2025 | — |
| DEF 14A | PROXY STATEMENT | 0001213900-25-101251 | Oct 22, 2025 | Dec 3, 2025 |
| SCHEDULE 13G/A | — | 0000902664-25-004477 | Oct 21, 2025 | — |
| 8-K | CURRENT REPORT | 0001213900-25-100008 | Oct 17, 2025 | Oct 13, 2025 |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-096533 | Oct 6, 2025 | — |
| 8-K | CURRENT REPORT | 0001213900-25-096530 | Oct 6, 2025 | — |
| EFFECT | — | 9999999995-25-003006 | Sep 18, 2025 | — |
| CORRESP | — | 0001213900-25-088070 | Sep 16, 2025 | — |
| UPLOAD | — | 0000000000-25-009977 | Sep 15, 2025 | — |
| 8-K | CURRENT REPORT | 0001213900-25-085151 | Sep 5, 2025 | — |
| S-3 | REGISTRATION STATEMENT | 0001213900-25-085094 | Sep 5, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-078528 | Aug 19, 2025 | — |
| DEF 14A | PROXY STATEMENT | 0001213900-25-078526 | Aug 19, 2025 | Oct 6, 2025 |
| 8-K | CURRENT REPORT | 0001213900-25-077501 | Aug 15, 2025 | Aug 12, 2025 |
| PRE 14A | PROXY STATEMENT | 0001213900-25-073730 | Aug 8, 2025 | — |
| 8-K | CURRENT REPORT | 0001213900-25-073140 | Aug 7, 2025 | Aug 6, 2025 |
| 10-Q | QUARTERLY REPORT | 0001213900-25-073134 | Aug 7, 2025 | Jun 30, 2025 |
| SCHEDULE 13G | — | 0000902664-25-003289 | Jul 31, 2025 | — |
| 8-K | CURRENT REPORT | 0001213900-25-059644 | Jun 30, 2025 | Jun 27, 2025 |
| 424B5 | PROSPECTUS SUPPLEMENT | 0001213900-25-059297 | Jun 30, 2025 | — |
| 8-K | CURRENT REPORT | 0001174947-25-000969 | Jun 27, 2025 | Jun 26, 2025 |
| 424B5 | PROSPECTUS SUPPLEMENT | 0001213900-25-058629 | Jun 27, 2025 | — |
| 8-K | CURRENT REPORT | 0001213900-25-052228 | Jun 6, 2025 | — |
| 3 | — | 0001213900-25-044551 | May 15, 2025 | May 6, 2025 |
| 3 | — | 0001213900-25-044550 | May 15, 2025 | May 6, 2025 |
| SCHEDULE 13G/A | — | 0000950170-25-072769 | May 15, 2025 | — |
| SCHEDULE 13G/A | — | 0001104659-25-048699 | May 14, 2025 | — |
| 10-Q | QUARTERLY REPORT | 0001213900-25-041094 | May 8, 2025 | Mar 31, 2025 |
| 8-K | CURRENT REPORT | 0001213900-25-041070 | May 8, 2025 | May 7, 2025 |
| 8-K | CURRENT REPORT | 0001213900-25-035576 | Apr 25, 2025 | Apr 23, 2025 |
| S-8 | REGISTRATION STATEMENT | 0001013762-25-001096 | Mar 21, 2025 | — |
| 10-K | ANNUAL REPORT | 0001213900-25-021260 | Mar 6, 2025 | Dec 31, 2024 |
| 8-K | CURRENT REPORT | 0001213900-25-020738 | Mar 5, 2025 | — |