Related party transactions	9 Months Ended
Sep. 30, 2022
Related party transactions
Related party transactions	15. Related party transactions One of the Company’s Directors is affiliated with Harvard University and Mass General Brigham. Revenue recorded from sales to Harvard University and its affiliates and to Mass General Brigham and its affiliates totaled $0.2 million and $0.5 million for the three and nine months ended September 30, 2022, respectively, and $0.2 million for both the three and nine months ended September 30, 2021, respectively. The Company recorded cost of goods sold of $0.1 million for the three months ended September 30, 2022 related to Harvard University and its affiliates and to Mass General Brigham and its affiliates. The Company had $0.2 million in accounts receivable from Harvard University and its affiliates and Mass General Brigham and its affiliates at both September 30, 2022 and December 31, 2021. Deferred revenue from Harvard University and its affiliates and Mass General Brigham and its affiliates was $0.1 million at both September 30, 2022 and December 31, 2021. On May 26, 2022, the Company entered into an agreement with UltraDx Limited (the UltraDx Agreement), a new company formed by ARCH Venture Partners (ARCH). Under the UltraDx Agreement, the Company will supply HD-X instruments (both fully assembled and disassembled) as well as assays and assay components to UltraDx, and UltraDx has the non-exclusive right to seek Chinese regulatory approval of and to commercialize the HD-X instrument and related assays in the Chinese neurological in vitro diagnostic market. The Company has determined that UltraDx is a related party because one of the Company’s directors is affiliated with ARCH and UltraDx. Under the terms of the UltraDx Agreement, the Company shipped a total of ten fully assembled and disassembled HD-X instruments to UltraDx on June 30, 2022 at a purchase price of approximately $1.9 million. Because UltraDx was formed during the second quarter of 2022, the Company recognized revenue on these shipments upon receipt of payment during the three months ended September 30, 2022.

Related party transactions

9 Months Ended

Sep. 30, 2022

15. Related party transactions

One of the Company’s Directors is affiliated with Harvard University and Mass General Brigham. Revenue recorded from sales to Harvard University and its affiliates and to Mass General Brigham and its affiliates totaled $0.2 million and $0.5 million for the three and nine months ended September 30, 2022, respectively, and $0.2 million for both the three and nine months ended September 30, 2021, respectively. The Company recorded cost of goods sold of $0.1 million for the three months ended September 30, 2022 related to Harvard University and its affiliates and to Mass General Brigham and its affiliates. The Company had $0.2 million in accounts receivable from Harvard University and its affiliates and Mass General Brigham and its affiliates at both September 30, 2022 and December 31, 2021. Deferred

revenue from Harvard University and its affiliates and Mass General Brigham and its affiliates was $0.1 million at both September 30, 2022 and December 31, 2021.

On May 26, 2022, the Company entered into an agreement with UltraDx Limited (the UltraDx Agreement), a new company formed by ARCH Venture Partners (ARCH). Under the UltraDx Agreement, the Company will supply HD-X instruments (both fully assembled and disassembled) as well as assays and assay components to UltraDx, and UltraDx has the non-exclusive right to seek Chinese regulatory approval of and to commercialize the HD-X instrument and related assays in the Chinese neurological in vitro diagnostic market. The Company has determined that UltraDx is a related party because one of the Company’s directors is affiliated with ARCH and UltraDx. Under the terms of the UltraDx Agreement, the Company shipped a total of ten fully assembled and disassembled HD-X instruments to UltraDx on June 30, 2022 at a purchase price of approximately $1.9 million. Because UltraDx was formed during the second quarter of 2022, the Company recognized revenue on these shipments upon receipt of payment during the three months ended September 30, 2022.