The 20-year-old left-back was signed by AZ from Lommel in the summer, but faced stiff competition for a starting spot from Mateo Chávez and Mees de Wit. Although FC Köln was previously linked with a move for De Wit, the transfer ultimately fell through. As a result, De Grand's prospects of regular playing time at AZ have significantly decreased, prompting him to seek a temporary exit. AZ has agreed to facilitate his departure, with Lommel being one of several clubs to have shown interest in the player. De Grand has chosen to return to his former club, reportedly due to his desire to play at the highest level. Lommel has made a strong start to the new season in the Belgian Pro League, earning seven points from their first four matches.