these are not the taxes from the sale but those from the dividend in kind Haleon is treated as a dividend in kind i.e. you must pay capital gains taxes on the consideration of the 155 Haleon shares when you have used up your tax-free amount this is the 89.97
@Muske_fuker from the pdf of ING "Non-cash capital gain, taxable according to § 20 EStG. The booked shares from the spin-off represent a dividend in kind. The equivalent value is taxable as income."
