| Date/Season | Transaction |
|---|
| 11/13/2024 | Pittsburgh Penguins send Aaron Ness (rental), Magnus Hellberg to the Nashville Predators for Andrej Sustr, Pat Maroon, 2032 DAL Rnd 2, $3,000,000 |
| 11/10/2022 | Pittsburgh Penguins send Jason Robertson, Josh Harding, Kyle Turris, Peter Delmas, Tanner Pearson, PIT 2030 Rnd 1, PIT 2031 Rnd 1, PIT 2032 Rnd 3, PIT 2033 Rnd 2 to the Winnipeg Jets for Aaron Ness, Anthony Cirelli, Ilya Sorokin, Mike Hoeffel, Morgan Barron |
| 5/28/2022 | Los Angeles Kings send Aaron Ness (rental) to the Ottawa Senators for Justin Holl, OTT 2029 Rnd 3, OTT 2030 Rnd 2, $1,825,000 |
| 1/1/2021 | Los Angeles Kings send Thomas Hickey, Emile Poirier, COL 2028 Rnd 3 to the Vancouver Canucks for Robert Thomas, Aaron Ness, Cameron York, $1,500,000 |
| 10/30/2020 | Vancouver Canucks send Jordan Staal, Dwight King, Marc-Edouard Vlasic to the Pittsburgh Penguins for Jake Virtanen, Aaron Ness, Julien Gauthier |
| 9/13/2020 | Pittsburgh Penguins send Aaron Ness to the New York Rangers for PIT 2028 Rnd 3, $2,500,000 |
| 10/31/2014 | New York Rangers send Jarred Tinordi, Jeff Frazee, Jonathon Merrill, Tomas Plekanec to the St Louis Blues for Aaron Ness, Carey Price, Markus Granlund, $1,500,000 |
| 8/18/2011 | St Louis Blues send Eric Brewer, COL 2015 Rnd 1 to the Nashville Predators for Aaron Ness, Rick Nash, DAL 2015 Rnd 3 |
| 4/22/2010 | Ottawa Senators send Aaron Ness, OTT 2014 Rnd 1, OTT 2017 Rnd 1 to the Nashville Predators for Alexei Semenov |
| 2012 | Drafted in the 2nd round, 34th overall by Pittsburgh (from Colorado) |
