Cyngn Inc.

CYN·NASDAQ·$1.42Share Price as of 11/2·$10MMarket Cap as of 11/2

Financials

10-Q/AQ2 ended 06/30/2608/14/26 10-QQ2 ended 06/30/2608/13/26 10-QQ1 ended 03/31/2605/14/26 10-KFY 202503/27/26 10-QQ3 ended 09/30/2511/19/25

Disclosures

8-KCurrent report10/30/26 8-KCurrent report10/15/26 8-KCurrent report08/13/26 8-KCurrent report07/30/26 8-KCurrent report05/21/26

Prospectuses and Registrations

424B5Prospectus supplement03/17/26 S-8Registration of securities for employees01/28/26 S-3Shelf registration09/05/25 424B5Prospectus supplement06/30/25 424B5Prospectus supplement06/27/25

Proxies

DEFA14AAdditional proxy materials10/30/26 DEF 14ADefinitive proxy09/21/26 PRE 14APreliminary proxy09/11/26 DEF 14ADefinitive proxy10/22/25 DEFA14AAdditional proxy materials10/22/25

Ownership

SC 13GBeneficial ownership04/22/26 SC 13G/ABeneficial ownership (amended)01/07/26 SC 13G/ABeneficial ownership (amended)10/21/25 SC 13GBeneficial ownership07/31/25 Form 3Initial insider ownership05/15/25

Other

NT 10-QLate filing notification (10-Q)11/14/25 EFFECTRequest for effectiveness09/18/25 CORRESPCorrespondence with the SEC09/16/25 UPLOADLetter from the SEC09/15/25 EFFECTRequest for effectiveness12/19/24