Summary of changes in the balances of the Company's contract assets and liabilities

The following table presents changes in the balances of the Company’s contract assets and liabilities (in thousands):


	Beginning Balance						Impact of		Ending Balance
	January 1,						Exchange		June 30,
	2023		Additions		Deductions		Rates		2023
Contract liabilities:
Deferred revenue
Bayer collaboration deferred revenue	$	—	$	45,000	$	—	$	(543)	$	44,457
Novartis collaboration deferred revenue		—		50,000		—		1,553		51,553
Ionis collaboration deferred revenue		21,489		870		(5,341)		695		17,713
Genentech collaboration deferred revenue		39,308		—		(9,748)		1,554		31,114
AstraZeneca collaboration deferred revenue		1,076		—		(1,204)		128		—
Total deferred revenue	$	61,873	$	95,870	$	(16,293)	$	3,387	$	144,837


	Beginning Balance						Impact of		Ending Balance
	January 1,						Exchange		December 31,
	2022		Additions		Deductions		Rates		2022
Contract liabilities:
Deferred revenue
Ionis collaboration deferred revenue	$	34,115	$	99	$	(9,347)	$	(3,378)	$	21,489
Genentech collaboration deferred revenue		34,436		12,000		(3,565)		(3,563)		39,308
DDF collaboration deferred revenue		428		—		(386)		(42)		—
AstraZeneca collaboration deferred revenue		2,361		—		(1,165)		(120)		1,076
Total deferred revenue	$	71,340	$	12,099	$	(14,463)	$	(7,103)	$	61,873

Summary of allocation of transaction price to separate performance obligations

Based on the relative standalone selling prices, the allocation of the transaction price to the separate performance obligations is as follows (in thousands):


	Allocation of
Performance Obligations	Transaction Price
Two combined performance obligations related to the licenses and research and development services associated with radiopharmaceutical compounds directed to the first and second targets	$	14,976
Material right associated with limited substitution rights for either the first or second target		1,527
Two material rights associated with the option to progress radiopharmaceutical candidates directed to the first and second targets into further development		14,691
Two material rights associated with the option to progress a non-radiopharmaceutical compound directed to the first and second targets		8,703
Material right for the option to expand the collaboration to include a third target and the underlying additional option rights		7,603
	$	47,500

Significant agreements.

Summary of allocation of transaction price to separate performance obligations

Based on the relative standalone selling price, the allocation of the transaction price to the separate performance obligations is as follows (in thousands):


	Allocation of
Performance Obligations	Transaction Price
Combined licenses and research and discovery performance obligation	$	34,100
Four material rights associated with credits for IND Acceptance fees		3,900
	$	38,000

Significant agreements.

Summary of allocation of transaction price to separate performance obligations

Based on the relative standalone selling price, the allocation of the transaction price to the separate performance obligations was as follows (in thousands):


	Allocation of
Performance Obligations	Transaction Price
Target Three Research License and Related Services	$	650
Target 3 Material Right		1,504
Target 4 Material Right		1,204
Target 5 Material Right		1,165
Target 6 Material Right		1,127
	$	5,650