9A Capital gains and capital losses from trading with securities (3064)

You are required to report the capital gains you have received from selling shares in
listed companies and book-entry securities or the capital losses of such selling, in MyTax or on Form 9A. You must include any foreign-sourced Capital gains and capital losses from trading with securities, too.

Log in to MyTax

Note that there are no numbered forms, such as Form 9A, in MyTax. Claim a capital qain or capital loss on your tax return or tax card request.

If you report trading in securities in 2026 during the trading year, do not use Form 9A but request a new tax card or prepayments.

Other forms related to capital gains or capital loss

• Capital gains from the sale of real estate, apartments, shares of a non-listed company and other property, file Form 9 
• Capital gains from the sale of foreign-located property (such as real estate), file Form 16B. 

Return address for the paper form

Finnish Tax Administration
P.O. BOX 700
00052 VERO.