Related Party Transactions

9 Months Ended

Sep. 30, 2020

Related Party Transactions [Abstract]

Related Party Transactions

18. Related Party

As of September 30, 2020, and December 31, 2019, Regeneron owned 883,568 shares of the Company’s common stock, respectively. Regeneron became a related party in July 2019 as a result of Series B redeemable convertible preferred stock financing. For the three and nine months ended September 30, 2020 and 2019, the Company recorded revenue of $3.0 million, $12.5 million, $(7.0) million and $(1.0) million, respectively, and as of September 30, 2020, the Company recorded accounts receivable of $0 and deferred revenue of $19.4 million related to the Regeneron Agreement. See Note 10 for a discussion of the Regeneron Agreement.