|Date of birth||9 April 1999|
|Place of birth||Marino, Italy|
|Height||1.81 m (5 ft 11 in)|
|2019–2021||→ Pro Patria (loan)||52||(7)|
* Senior club appearances and goals counted for the domestic league only and correct as of 2 May 2021|
‡ National team caps and goals correct as of 13 November 2020
In July 2017 he was transferred to Serie A club Sassuolo, where he played for their Under-19 squad in the 2017–18 and 2018–19 seasons. He was called up to the senior squad once for a Coppa Italia game, but remained on the bench.
Loan to Pro Patria
He made his professional Serie C debut for Pro Patria on 22 September 2019 in a game against Siena. He substituted Giuseppe Le Noci in the 89th minute and scored the only goal of the game in added time.
On 15 July 2021, he signed with Alessandria.
- "Kolaj per l'attacco" (Press release) (in Italian). Pro Patria. 2 September 2019.
- "Siena v Pro Patria game report". Soccerway. 22 September 2019.
- "Aurora Pro Patria 1919 comunica di aver acquisito a titolo temporaneo dall'U.S. Sassuolo le prestazioni sportive del calciatore Aristidi Kolaj" (in Italian). Pro Patria. 26 August 2020.
- "ARISTIDI KOLAJ IN GRIGIO" (in Italian). Alessandria. 15 July 2021.