InsiderTrades

Form 4 for FFIN FIRST FINANCIAL BANKSHARES INC

Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-13 · accession 0001193125-26-111102 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2026-03-17 2026-03-13 FFIN Longhofer T. Luke EVP - Chief Credit Off D - Sale to Iss — -3,216 41.0K -7% —
D 2026-03-17 2026-03-13 FFIN Longhofer T. Luke EVP - Chief Credit Off A - Grant — +3,216 44.2K +8% —
D 2026-03-17 2026-03-13 FFIN Longhofer T. Luke EVP - Chief Credit Off A - Grant — +3,216 8,061 +66% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-13 D D 3,216 — 40,970 D — — (F2) In connection with the vesting of performance stock units previously granted on August 16, 2023, Mr. Longhofer's receipt of 3,216 shares of common stock was deferred resulting in Mr. Longhofer's receipt instead of 3,216 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the "SERP"). Mr. Longhofer is therefore reporting the disposition of 3,216 performance stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Longhofer's termination of employment.
2 Common Common Stock 2026-03-13 A A 3,216 — 44,186 D — — (F1) Represents shares of common stock issued upon the vesting of outstanding performance stock units that were subject to performance criteria other than the issuer's stock price.
3 Derivative Deferred Stock Units 2026-03-13 A A 3,216 — 8,061 D — · — to — 3,216 Common Stock (F2) In connection with the vesting of performance stock units previously granted on August 16, 2023, Mr. Longhofer's receipt of 3,216 shares of common stock was deferred resulting in Mr. Longhofer's receipt instead of 3,216 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effective July 26, 2022 (the "SERP"). Mr. Longhofer is therefore reporting the disposition of 3,216 performance stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Longhofer's termination of employment.