Related Party Transactions

12 Months Ended

Dec. 31, 2021

Related Party Transactions [Abstract]

Related Party Transactions

19. Related Party Transactions

As of December 31, 2021, Regeneron owned 883,568 shares of the Company's common stock. Regeneron became a related party in July 2019 as a result of Series B redeemable convertible preferred stock financing. Upon closing the Merger, 7,125,552 shares of the redeemable convertible preferred stock converted into 883,568 shares of the Company’s common stock. For the years ended December 31, 2021 and 2020, the Company recorded revenue related to the Regeneron Agreement of $9.7 million and $17.9 million, respectively. As of December 31, 2021, the Company recorded less than $0.2 million in accounts receivable and has deferred revenue of $4.8 million related to the Regeneron Agreement (See Note 10).