SEC Form 4 · accession 0001193125-26-355636
FIRST FINANCIAL BANKSHARES INC · FFIN
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Lon A. Biebighauser
Officer — Trust Company President
Period of report
Aug 14, 2026
Accepted (ET)
Aug 18, 2026 · 4:51 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0000036029
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Aug 14, 2026 | A | 1,429 | $0.00 | A | 12,442 | D | |
| Common StockF2 | Aug 14, 2026 | F | 94 | $35.28 | D | 12,348 | D | |
| Common Stock | Aug 17, 2026 | G | 570 | $0.00 | D | 11,778 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Employee Stock Option, Right to BuyF3 | $35.28 | Aug 14, 2026 | A | 2,653 | A | — | Aug 14, 2036 | Common Stock | 2,653 | 2,653 | D |
Explanation of responses
- F1Reflects grant of restricted stock units (RSUs) which vest in three approximately equal installments on each of the three anniversaries of the grant date.
- F2The reporting person elected, in accordance with the Registrant's 2021 Omnibus Stock and Incentive Plan, to exercise his right to have the Registrant withhold 94 shares of the Registrant's common stock to pay income taxes related to vesting of previously granted restricted stock units.
- F3The options vest 33.33% after one year from the grant date, 66.66% after the second year, and 100% after the third year.