You want to update your transaction because you entered wrong numbers or you want to add additional information like taxes or fees?
Then you can do this in the following way:
Desktop app
Scroll down in your dashboard until you see the "Transaction" section
Search your Transaction in the search bar
On the right,tap on "Edit"
in the new menu you can now change or enter new data
Make the necessary corrections and save them by tapping on "Save"
Mobile App
Scroll down in your dashboard until you see the "Transaction" section
Search your Transaction in the search bar
swipe this Transaction left
you can adjust or insert new data now
Save your new input by tapping on "Save"
FAQ
One of my securities has received a new ISIN. How can I change it?
The easiest way is to edit the purchase transaction(s) as described above and then insert the new ISIN in the name. Then save the transaction and you are done.