| Date/Season | Transaction |
|---|
| 7/1/2024 | Minnesota Wild send 2030 MIN Rnd 2, 2034 MIN Rnd 3 to the Philadelphia Flyers for Matt O'Connor, Joel Eriksson Ek, Noah Gregor, 2030 MON Rnd 2, 2030 PHI Rnd 2, $2,000,000 |
| 3/8/2022 | Vancouver Canucks send Joel Farabee to the Buffalo Sabres for Artemi Panarin, Joel Eriksson Ek, Matt Benning |
| 11/8/2020 | Nashville Predators send Jack Hillen, Albin Grewe, PIT 2027 Rnd 1, BUF 2028 Rnd 1, NASH 2029 Rnd 3, $3,500,000 to the Buffalo Sabres for Vincent Trochek, Joel Eriksson Ek, BUF 2026 Rnd 2, CBJ 2027 Rnd 1 |
| 10/10/2020 | New York Rangers send Joel Eriksson Ek, Mark Stone, BUF 2026 Rnd 2 to the Buffalo Sabres for Janne Kuokkanen, $3,000,000 |
| 6/27/2020 | New York Islanders send LAK 2025 Rnd 3, CBJ 2027 Rnd 2, Joel Eriksson Ek to the New York Rangers for JC Beaudin, Eric Mestery (rental), NYR 2027 Rnd 3 |
| 2021 | Drafted in the 1st round, 21st overall by NYIslander |
