InsiderTrades

Form 4 for FFIN FIRST FINANCIAL BANKSHARES INC

Accepted 2026-03-17 00:00:00 ET · period of report 2026-03-13 · accession 0001193125-26-111084 · 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 Butler Ronald David II CAO A - Grant — +6,094 177.0K +4% —
D 2026-03-17 2026-03-13 FFIN Butler Ronald David II CAO D - Sale to Iss — -6,094 171.0K -3% —
D 2026-03-17 2026-03-13 FFIN Butler Ronald David II CAO A - Grant — +6,094 14.3K +75% —

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-13 A A 6,094 — 177,046 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.
2 Common Common Stock 2026-03-13 D D 6,094 — 170,952 D — — (F2) In connection with the vesting of performance stock units previously granted on August 16, 2023, Mr. Butler's receipt of 6,094 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 6,094 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. Butler is therefore reporting the disposition of 6,094 performance stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Butler's termination of employment.
3 Derivative Deferred Stock Units 2026-03-13 A A 6,094 — 14,262 D — · — to — 6,094 Common Stock (F2) In connection with the vesting of performance stock units previously granted on August 16, 2023, Mr. Butler's receipt of 6,094 shares of common stock was deferred resulting in Mr. Butler's receipt instead of 6,094 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. Butler is therefore reporting the disposition of 6,094 performance stock units in exchange for an equal number of shares of deferred stock units under the SERP, which are payable upon Mr. Butler's termination of employment.