Tax on bonuses after redundancy

If I receive a bonus in the 25/26 tax year (June) from ex employer I left in December is this treated as 25/26 income and can I put it in a SIPP

Hi,
Yes, this is treated as 2025/2026 taxable income and you can put this in a SIPP:
Please see the following links and guidance which you may find useful:
Tax on your private pension contributions
Thank you.