| Date/Season | Transaction |
|---|---|
| 5/3/2024 | Columbus Blue Jackets send Luke Kunin, Samuel Knazko, Matt Finn, $500,000 to the Buffalo Sabres for Olen Zellweger |
| 1/20/2023 | New Jersey Devils send Olen Zellweger to the Buffalo Sabres for Ryan Strome |
| 2028 | Drafted in the 2nd round, 43rd overall by New Jersey (from Buffalo) |
