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Related parties - Summary of ADS Purchases (Details) $ in Millions	Sep. 30, 2023 USD ($) shares
Related Party Transaction
ADSs Purchased (in shares) | shares	56,500,000
Total purchase price | $	$ 113.0
Syncona LLP
Related Party Transaction
ADSs Purchased (in shares) | shares	14,000,000
Total purchase price | $	$ 28.0
Deep Track Capital, LP
Related Party Transaction
ADSs Purchased (in shares) | shares	15,000,000
Total purchase price | $	$ 30.0
Qatar Investment Authority
Related Party Transaction
ADSs Purchased (in shares) | shares	15,000,000
Total purchase price | $	$ 30.0
Armistice Capital, LLC
Related Party Transaction
ADSs Purchased (in shares) | shares	10,000,000
Total purchase price | $	$ 20.0
Blackstone
Related Party Transaction
ADSs Purchased (in shares) | shares	2,500,000
Total purchase price | $	$ 5.0

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- Definition

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- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

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