Wallmark, 25, was a fourth-round pick by the Carolina Hurricanes in the 2014 NHL Draft.
The 2013 third-round pick has spent the past four seasons playing a bottom-six role for the Dallas Stars.
Kubalik will remain a restricted free agent when his new deal expires with the Blackhawks in 2022.
General manager Stan Bowman did not give Drake Caggiula a qualifying offer and announced Thursday that the Blackhawks will not re-sign two-time Stanley Cup champion, Corey Crawford. Thursday morning was quite eventful for the Chicago...
Crevier, a mammoth 6-foot-8 defenseman, tallied 21 points (10 goals, 11 assists) in 59 games for Chicoutimi in 2019-20.
The 6-foot-3, 200-pound 18-year-old is known for his physicality and sturdy defensive play.
The 26-year-old defenseman is expected to hit the free-agent market on Friday.
Kaiser, an 18-year-old left-handed defenseman, won Minnesota's Reed Larson Award for top defender in the state during his senior season.
Commesso, 18, is the first goaltender the Blackhawks have selected in the second round since Kent Simpson in 2010.