CG12314 | Options: exercise of an option: person exercising the option
From HM Revenue & Customs · Capital Gains Manual
TCGA92/S144 (3)
The person exercising an option need not be the original grantee. The person exercising the option may, for example, have purchased the option from the grantee.
The exercise of an option by the person then entitled to exercise it is not treated as a disposal of the option. If an option is exercised
the acquisition of the option by the person then entitled to exercise it and
the transaction entered into by that person in exercising his rights under the option
are treated as a single transaction.
If the single transaction is a sale to the person exercising the option, their cost of acquisition is the sum of
the consideration given for the call option (see CG12301) by the exerciser, plus
the consideration given for the transfer of the asset which was subject to the option.
If the single transaction is a sale by the person exercising the option