X0206 3 2022-01-31 0 0001718939 T Stamp Inc IDAI 0001713278 REACH VENTURES 2017 LP 430 NORTH MICHIGAN AVENUE 9TH FLOOR CHICAGO IL 60611 0 0 1 0 Class A Common Stock 2608975 D Class A Common Stock 400641 I See footnote Warrants to purchase Class A Common Stock 1.6 2019-12-20 2024-12-20 Class A Common Stock 2622995 D Restricted Stock Units 2022-01-02 2022-02-28 Class A Common Stock 46260 D Warrants to purchase Class A Common Stock 1.6 2019-12-20 2024-12-20 Class A Common Stock 932110 I See footnote Represents shares of Class A Common Stock held by Second Century Ventures, LLC Represents shares of Class A Common Stock held by Reach Ventures, LLC. Reach Ventures, LLC is wholly owned by Second Century Ventures, LLC. N/A Reflects securities held directly by REach Ventures 2017 LP. REach Ventures 2017 LP is managed by REach Ventures, LLC. Reach Ventures, LLC is wholly owned by Second Century Ventures, LLC. Alexander Valdes on behalf of Second Century Ventures LLC through the limited power of Attorney dated 01/26/2022 2022-02-09