Hi
You will need to check your terms & conditions and any relevant paperwork regarding the TUPE transfer. Your employer should be able to answer the income tax / NI query. All we can do is signpost you to ETASSUM28160 (
Schedule 2 share incentive plan) which confirms there is no income tax charge on shares ceasing to be subject to a SIP if they cease as a result of the employee ceasing to be in relevant employment by reason of the TUPE. The words relevant employment are defined here - ETASSUM28130 (
Schedule 2 share incentive plan (SIP): Supplementary and defined terms: ’Relevant employment’If there has been a company restructure you may wish to review ETASSUM25130 (
Schedule 2 Share Incentive Plan
Regarding the capital gains side of things; you state the gain falls within your 24/25 AEA, but you could also review – ETASSUM29040 (
Schedule 2 share incentive plan (SIP): Taxation: Paying income tax or national insurance contributions (NICs) explains when NIC will generally be due.