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Related party transactions - Summary of transactions with other related parties (Details) $ / shares in Units, £ in Thousands, $ in Millions | 1 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jan. 31, 2022 $ / shares shares | Jun. 30, 2023 GBP (£) Options | Jun. 30, 2022 GBP (£) | Apr. 21, 2023 USD ($)
Related party transactions |  |  |  |
Aggregate gain on directors' exercise of share options |  | £ 8,156 | £ 0 |
Share based payment charge |  | 7,056 | 7,294 |
Imagination Industries Ltd |  |  |  |
Related party transactions |  |  |  |
Services received, related party transactions |  | 42 | 0 |
Amount outstanding |  | £ 42 | 0 |
Mr. Slattery | Mr. Fitzpatrick |  |  |  |
Related party transactions |  |  |  |
Number of ordinary shares agreed to purchase upon call option | shares | 1,175,000 |  |  |
Exercise price | $ / shares | $ 0.0001 |  |  |
Aggregate amount agreed to pay | $ |  |  |  | $ 2.5
Non executive directors | Nil cost options |  |  |  |
Related party transactions |  |  |  |
Options granted | Options |  | 18,750 |  |
Share based payment charge |  | £ 55 | £ 0 |
Options exercised | Options |  | 5,613,287 |  |

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