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Business combinations - Gain on bargain purchase (Details) - TCR2 Therapeutics $ / shares in Units, $ in Thousands | Jun. 01, 2023 USD ($) | May 31, 2023 $ / shares | Mar. 06, 2023 $ / shares
--- | --- | --- | ---
Merger with TCR2 Therapeutics Inc. |  |  |
Purchase consideration | $ (61,726) |  |
Net assets acquired and liabilities assumed | 83,775 |  |
Gain on bargain purchase | $ 22,049 |  |
Ratio for issuance of Company's ADSs for each TCR2 stock acquired |  |  | 1.5117
Closing price of Company's ADS | $ / shares |  | $ 1.02 | $ 1.32

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