Insider Filing for William Sornsin

This filing details stock options and common stock holdings of William Sornsin, Chief Operating Officer of RTB Digital, Inc. Sornsin has been granted two stock options, assumed from RTB Digital, Inc. due to a business combination. The first option, granted May 15, 2024, is exercisable for 116,705 shares of common stock with an exercise price of $0.94 and an expiration date of May 15, 2034. The second option, granted August 12, 2025, is exercisable for 84,346 shares of common stock with an exercise price of $1.89 and an expiration date of August 12, 2035. Both options continue to vest based on Sornsin's continued service. Additionally, Sornsin directly holds 127,314 shares of common stock following these transactions. The filing also includes a Power of Attorney designating Jasmine Farrington and Zechariah Kirscher to execute and file necessary SEC forms on Sornsin's behalf.