Benefit plans	9 Months Ended
Sep. 30, 2020
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 three months ended September 30, 2020 and 2019 the Company made contributions totaling $34,000 and $26,000, respectively, to the 401(k) Plan. During the nine months ended September 30, 2020 and 2019, the Company made contributions totaling $0.1 million 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 provide certain contribution to employees each year (“U.K Plan”). During the three months ended September 30, 2020 and 2019 the Company made contributions totaling $0.1 million to the U.K. Plan. During the three and nine months ended September 30, 2020 and 2019, the Company made contributions totaling $0.3 million and $0.2 million, respectively, to the U.K. Plan.

Benefit plans

9 Months Ended

Sep. 30, 2020

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 three months ended September 30, 2020 and 2019 the Company made contributions totaling $34,000 and $26,000, respectively, to the 401(k) Plan. During the nine months ended September 30, 2020 and 2019, the Company made contributions totaling $0.1 million 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 provide certain contribution to employees each year (“U.K Plan”). During the three months ended September 30, 2020 and 2019 the Company made contributions totaling $0.1 million to the U.K. Plan. During the three and nine months ended September 30, 2020 and 2019, the Company made contributions totaling $0.3 million and $0.2 million, respectively, to the U.K. Plan.