• First Financial Bankshares average operating margin for 2023 was 43%, a 15.09% decline from 2022.
• First Financial Bankshares average operating margin for 2022 was 50.64%, a 4% decline from 2021.
• First Financial Bankshares average operating margin for 2021 was 52.75%, a 15.1% decline from 2020.

Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.