hi there, i think you best option ist to contact the support...
https://www.modum.io/contactWhat should I do when my dividends didn't come? (I received the certificate though and the IBAN is correct)
I think all will become the dividend befor the year is over, so no stress.
Ich habe meine noch vor Weihnachten bekommen, sich schon jemand daran gemacht das Formblatt für die Steuerrückholung auszufüllen?