| Date/Season | Transaction |
|---|
| 4/25/2024 | Philadelphia Flyers send Cody Franson, $1,000,000, TB 2030 Rnd 3 to the Boston Bruins for Esa Lindell, Sami Niku, PHI 2030 Rnd 2 |
| 1/29/2023 | Ottawa Senators send Sami Niku, 2033 OTT Rnd 3 to the Boston Bruins for Nicklas Backstrom (rental) |
| 1/28/2023 | Detroit Red Wings send Olivier Rodrigue, Sami Niku to the Ottawa Senators for Henrik Karlsson, Alexander Salak |
| 2/27/2020 | Minnesota Wild send James Sheppard to the Detroit Red Wings for Sami Niku, SJS 2025 Rnd 1 |
| 2025 | Drafted in the 2nd round, 49th overall by Minnesota |
