• Repligen average gross margin for 2023 was 50.16%, a 13.28% decline from 2022.
• Repligen average gross margin for 2022 was 57.84%, a 0.53% decline from 2021.
• Repligen average gross margin for 2021 was 58.15%, a 1.84% 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.