Cyngn Inc. — DEFA14A Filings
4 DEFA14A filings on record
This page lists all DEFA14A 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 4 DEFA14A 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 |
|---|---|---|---|---|
| DEFA14A | PROXY STATEMENT | 0001213900-25-101298 | Oct 22, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-096533 | Oct 6, 2025 | — |
| DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 0001213900-25-078528 | Aug 19, 2025 | — |
| DEFA14A | SOLICITING MATERIAL | 0001213900-24-048545 | May 31, 2024 | — |