InsiderTrades

Form 4 for FFIN FIRST FINANCIAL BANKSHARES INC

Accepted 2026-08-18 14:10:10 ET · period of report 2026-08-14 · accession 0001193125-26-355206 · 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
DM 2026-08-18 14:10 2026-08-14+ FFIN Butler Ronald David II EVP, CAO D - Sale to Iss — -3,729 167.2K -2% —
D 2026-08-18 14:10 2026-08-17 FFIN Butler Ronald David II EVP, CAO S - Sale+OE $34.95 -15.0K 152.2K -9% -$524.3K
D 2026-08-18 14:10 2026-08-17 FFIN Butler Ronald David II EVP, CAO M - OptEx $21.18 +5,000 157.2K +3% +$105.9K
DM 2026-08-18 14:10 2026-08-14+ FFIN Butler Ronald David II EVP, CAO A - Grant — +3,729 18.0K +26% —
D 2026-08-18 14:10 2026-08-17 FFIN Butler Ronald David II EVP, CAO M - OptEx $21.18 -5,000 15.0K -25% -$105.9K

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-08-14 D D 2,375 — 168,577 D — — (F1) In connection with the vesting on August 14, 2026, of 2,375 restricted stock units previously granted to the reporting person, the reporting person's receipt of 2,375 shares of common stock was deferred resulting in the reporting person's receipt instead of 2,375 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 2,375 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination. (F1) In connection with the vesting on August 14, 2026, of 2,375 restricted stock units previously granted to the reporting person, the reporting person's receipt of 2,375 shares of common stock was deferred resulting in the reporting person's receipt instead of 2,375 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 2,375 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.
2 Common Common Stock 2026-08-16 D D 1,354 — 167,223 D — — (F2) In connection with the vesting on August 16, 2026, of 1,354 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,354 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,354 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,354 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination. (F2) In connection with the vesting on August 16, 2026, of 1,354 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,354 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,354 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,354 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.
3 Common Common Stock 2026-08-17 S D 15,000 $34.95 152,223 D — —
4 Common Common Stock 2026-08-17 M A 5,000 $21.18 157,223 D — —
5 Derivative Deferred Stock Units 2026-08-14 A A 2,375 — 16,637 D — · — to — 2,375 Common Stock (F1) In connection with the vesting on August 14, 2026, of 2,375 restricted stock units previously granted to the reporting person, the reporting person's receipt of 2,375 shares of common stock was deferred resulting in the reporting person's receipt instead of 2,375 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 2,375 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination. (F1) In connection with the vesting on August 14, 2026, of 2,375 restricted stock units previously granted to the reporting person, the reporting person's receipt of 2,375 shares of common stock was deferred resulting in the reporting person's receipt instead of 2,375 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 2,375 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination. (F1) In connection with the vesting on August 14, 2026, of 2,375 restricted stock units previously granted to the reporting person, the reporting person's receipt of 2,375 shares of common stock was deferred resulting in the reporting person's receipt instead of 2,375 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 2,375 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination. (F1) In connection with the vesting on August 14, 2026, of 2,375 restricted stock units previously granted to the reporting person, the reporting person's receipt of 2,375 shares of common stock was deferred resulting in the reporting person's receipt instead of 2,375 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 2,375 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.
6 Derivative Deferred Stock Unit 2026-08-16 A A 1,354 — 17,991 D — · — to — 1,354 Common Stock (F2) In connection with the vesting on August 16, 2026, of 1,354 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,354 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,354 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,354 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination. (F2) In connection with the vesting on August 16, 2026, of 1,354 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,354 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,354 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,354 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination. (F2) In connection with the vesting on August 16, 2026, of 1,354 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,354 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,354 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,354 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination. (F2) In connection with the vesting on August 16, 2026, of 1,354 restricted stock units previously granted to the reporting person, the reporting person's receipt of 1,354 shares of common stock was deferred resulting in the reporting person's receipt instead of 1,354 shares of deferred stock units into the First Financial Bankshares, Inc. Supplemental Executive Retirement Plan, as amended and restated effected July 26, 2022 (the "SERP"). The reporting person is therefore reporting the disposition of 1,354 restricted stock units in exchange for an equal number of deferred stock units under the SERP, which are payable upon the reporting person's termination.
7 Derivative Employee Stock Option, Right to Buy 2026-08-17 M D 5,000 $21.18 15,000 D $21.18 · 2020-06-12 to 2027-06-12 5,000 Common Stock