Balance at

December

31, 2021

Additions

Deductions

Balance at June 30, 2022

Accounts receivable and contract assets:

Billed receivables from collaboration partners

$

—

$

5,841

$

(5,841

)

$

—

Unbilled receivables from collaboration partners

2,979

5,705

(6,392

)

2,292

Total accounts receivable and contract assets

$

2,979

$

11,546

$

(12,233

)

$

2,292

Contract liabilities:

Deferred revenue - Incyte

$

1,268

$

—

$

(1,042

)

$

226

Deferred revenue - GBT

8,913

45

(5,593

)

3,365

Total contract liabilities

$

10,181

$

45

$

(6,635

)

$

3,591