Initial Statement of Beneficial Ownership

This filing is an initial statement of beneficial ownership of securities filed by Vijayan Nambiar, Chief Technology Officer of CID Holdco, Inc. (trading symbol DAIC). The filing, dated October 15, 2026, pertains to the period of report ending February 6, 2026. It indicates that Mr. Nambiar has no securities owned, as stated by the "noSecuritiesOwned" field being "1". The filing is made under document type "3", which signifies an initial statement of beneficial ownership.