SEC Filing Summary

T. Luke Longhofer, EVP - Chief Credit Officer at FIRST FINANCIAL BANKSHARES INC, reported a transaction on March 13, 2026. The transaction involved the acquisition of 3,216 shares of common stock upon vesting of performance stock units. Additionally, these shares were converted into 3,216 deferred stock units under the company's Supplemental Executive Retirement Plan (SERP). This conversion is a non-cash transaction, with the deferred stock units payable upon termination of employment. The filing also notes the disposition of 3,216 performance stock units and the subsequent holding of 44,186 shares of common stock and 8,061 deferred stock units.