• Regeneron Pharmaceuticals average operating margin for 2023 was 33.28%, a 29.07% decline from 2022.
• Regeneron Pharmaceuticals average operating margin for 2022 was 46.92%, a 9.84% decline from 2021.
• Regeneron Pharmaceuticals average operating margin for 2021 was 52.04%, a 35.98% 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.