Form 4 Filing for Chain Bridge Bancorp Inc.

David M. Evinger, President and Chief Risk Officer of Chain Bridge Bancorp Inc., reported the transfer of 680 shares of Class B Common Stock as bona fide gifts to his adult children on August 26, 2026. These shares were held indirectly and co-owned with his adult children. Following the transfers, Mr. Evinger no longer holds any beneficial interest in the transferred securities, with his reported zero beneficial ownership reflecting only the indirect co-owned holding. The Class B Common Stock is convertible into Class A Common Stock on a one-to-one basis. The filing indicates that Mr. Evinger directly holds other shares not affected by this transaction.