License and Collaboration Agreements (Tables)

6 Months Ended

Jun. 30, 2021

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Summary of Research and Development Costs Related to Collaboration and License Agreements

The following table summarizes the impact of the research and development costs related to the collaboration and license agreements on the Company’s consolidated statements of operations and comprehensive loss for the three and six months ended June 30, 2020 and 2021. For details on the structure and accounting treatment for the Company’s collaboration and license agreements, refer to the annual consolidated financial statements and notes contained in the 2020 Form 10-K.

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2021		2020		2021
	(in thousands)				(in thousands)
Cullinan Management - Adimab	$	214	$	—	$	318	$	—
Apollo - Wistar		168		—		304		—
Pearl - Taiho		—		—		—		3,000
Amber - MIT		276		71		276		71
	$	658	$	71	$	898	$	3,071