[4] He returned to Okanagan for the 2013–14 season where he helped them capture the Canadian Sport School Hockey League Midget Prep Division Championship by recording 26 points in 21 games.

[5] Prior to his sophomore season, Malenstyn and his teammate Jake Bean were selected to represent Team Canada at the 2015 Ivan Hlinka Memorial Tournament.

[8] Upon joining the Hitmen for their 2015–16 season, he was named to the National Hockey League’s Players to Watch list for November in advance of the 2016 NHL Draft.

[11] Malenstyn concluded his sophomore season with 25 points in 70 games[1] and earned the teams' Chrysler Canada Inc. Scholastic Player Award.

[18] In December 2020, he tore his Achilles tendon which required surgery and he was expected to miss six to eight months to recover, ruling him out for the entirety of the 2020–21 season.