Benefit plans

12 Months Ended

Dec. 31, 2021

Benefit plans

Benefit plans

15. Benefit plans

The Company established a defined-contribution savings plan under Section 401(k) of the Code (the “401(k) Plan”). The 401(k) Plan covers all U.S. employees and allows participants to defer a portion of their annual compensation on a pre-tax basis. Matching contributions to the 401(k) Plan may be made at the discretion of the Company’s board of directors. During the years ended December 31, 2021, 2020 and 2019 the Company made contributions totaling $0.3 million, $0.2 million and $0.2 million, respectively, to the 401(k) Plan.

The Company provides a pension contribution plan for its employees in the United Kingdom, pursuant to which the Company may make contributions each year (“U.K Plan”). During the years ended December 31, 2021, 2020 and 2019 the Company made contributions totaling $0.7 million, $0.5 million and $0.3 million, respectively, to the U.K. Plan.