| Date/Season | Transaction |
|---|
| 1/26/2023 | Detroit Red Wings send Thomas McCollum (rental) to the Washington Capitals for Elvis Merzlikins, Kirill Kaprizov, Danila Yurov, VEG 2029 Rnd 2 |
| 8/22/2022 | Detroit Red Wings send Cam Talbot, Pierre-Luc Dubois to the Nashville Predators for Nolan Patrick, Thomas McCollum, Nolan Foote, SEA 2028 Rnd 1, $2,000,000 |
| 1/25/2016 | Vancouver Canucks send Jake Gardiner, Thomas McCollum, $5,500,000 to the Nashville Predators for Johnny Oduya, Leland Irving, MON 2020 Rnd 1 |
| 2/20/2015 | Vancouver Canucks send Ryan Nugent-Hopkins, Zach Stortini to the Philadelphia Flyers for Thomas McCollum, BOS 2019 Rnd 1 |
| 8/15/2014 | St Louis Blues send Thomas McCollum, STL 2019 Rnd 3, STL 2021 Rnd 3, STL 2023 Rnd 3 to the Philadelphia Flyers for Andrei Vasilevski, Mark McNeill, NAS 2019 Rnd 1, PHI 2021 Rnd 2 |
| 10/20/2013 | St Louis Blues send Chris Summers, Marek Schwarz, Thomas Vanek, STL 2019 Rnd 2, STL 2023 Rnd 1 to the Nashville Predators for Matt Lashoff, Ruslan Khasanshin, Thomas McCollum |
| 1/27/2012 | Tampa Bay Lightning send Joey Crabb, Thomas McCollum to the Nashville Predators for Marek Svatos, Ville Leino |
| 2012 | Drafted in the 2nd round, 39th overall by Tampa Bay |
