• Columbia Banking System average gross margin for 2023 was 80.04%, a 16.62% decline from 2022.
• Columbia Banking System average gross margin for 2022 was 95.99%, a 2.11% decline from 2021.
• Columbia Banking System average gross margin for 2021 was 98.06%, a 2.48% decline from 2020.

Gross margin can be defined as a company's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as a percentage.