The Daily Record says the 16-year-old is set for a secon training stint at Parkhead.
Celtic boss Tony Mowbray has recently visited Holland to check on the youngster’s progress.
Celtic could sign the youngster for as little as 300,000 euros under FIFA rules.
Leen Looyen, the club’s director of football, said: “That amount has to do with the number of years he has been with us and the status of the buying club.”
