Cyngn Inc. — EFFECT Filings
9 EFFECT filings on record
This page lists all EFFECT filings submitted to the SEC by Cyngn Inc. (CYN), sorted by most recent first. Each row links to the full filing on EdgarLookup. Cyngn Inc. has filed 9 EFFECT documents with the SEC since 2021. To view all SEC filings by Cyngn Inc., see the full filings list.
All
1-A
1-A-W
1-A/A
10-K
10-K/A
10-Q
3
4
424B3
424B4
424B5
8-A12B
8-K
CERT
CORRESP
D
DEF 14A
DEFA14A
DRS
EFFECT
FWP
NT 10-Q
POS AM
PRE 14A
S-1
S-1/A
S-3
S-3/A
S-8
SC 13D
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| EFFECT | — | 9999999995-25-003006 | Sep 18, 2025 | — |
| EFFECT | — | 9999999995-24-003835 | Dec 19, 2024 | — |
| EFFECT | — | 9999999995-24-003694 | Dec 6, 2024 | — |
| EFFECT | — | 9999999995-24-001089 | Apr 23, 2024 | — |
| EFFECT | — | 9999999995-23-003569 | Dec 7, 2023 | — |
| EFFECT | — | 9999999995-23-001736 | Jun 13, 2023 | — |
| EFFECT | — | 9999999995-23-000121 | Jan 18, 2023 | — |
| EFFECT | — | 9999999995-22-001515 | May 17, 2022 | — |
| EFFECT | — | 9999999995-21-003937 | Oct 19, 2021 | — |