| Date/Season | Transaction |
|---|---|
| 7/1/2024 | New York Rangers send Ryan Collins, Marcus Pettersson, David Schlemko, Nikita Scherbak, $1,000,000 to the Toronto Maple Leafs for CBJ 2033 Rnd 3 |
| 4/22/2022 | Winnipeg Jets send David Schlemko, Anthony Peluso, Beau Bennet, $4,000,000 to the Buffalo Sabres for Mark Barberio, Eric Mestery, Tomas Kundratek |
| 7/17/2014 | Philadelphia Flyers send Garrett Noonan to the Montreal Canadiens for Brendan Collier, David Schlemko |
| 2015 | Drafted in the 4th round, 94th overall by Montreal |
