| Date/Season | Transaction |
|---|---|
| 9/10/2020 | Philadelphia Flyers send Michael Kostka to the Los Angeles Kings for LAK 2026 Rnd 3, LAK 2029 Rnd 3 |
| 2/29/2016 | Philadelphia Flyers send PIT 2021 Rnd 2 to the Calgary Flames for Michael Kostka, $41,000 |
| 3/10/2015 | Calgary Flames send CGY 2019 Rnd 2, NYR 2019 Rnd 3 to the Colorado Avalanche for Michael Kostka |
| 2018 | Drafted in the 2nd round, 36th overall by Colorado (from Buffalo) |
