• Alkermes average operating margin for 2023 was 19.47%, a 587.99% increase from 2022.
• Alkermes average operating margin for 2022 was 2.83%, a 202.54% increase from 2021.
• Alkermes average operating margin for 2021 was -2.76%, a 73.61% 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.