That is despite posting on Instagram that "change is best for everyone" on Tuesday night after being named in the Professional Footballers' Association's Premier League team of the season.
One of the benefits of handing a transfer request is to inform a club of a player's desire to leave, but given Isak's recent actions, despite not handing in an official transfer request, he is keen to depart the club.
Formally handing in an official transfer request can lead to significant financial penalties for a player.
It constitutes a breach of a player's contract, meaning that a player could be no longer entitled to contractual bonuses - including signing-on fees and loyalty bonuses.