| Date/Season | Transaction |
|---|
| 9/20/2020 | New York Rangers send Michael Lee, Igor Bobkov, Chris Krieder, CBJ 2027 Rnd 1, CBJ 2028 Rnd 1 to the Buffalo Sabres for Neal Pionk, Michael Hutchinson, Jaccob Slavin, Patrick Berglund, BUF 2026 Rnd 2, BUF 2026 Rnd 3 |
| 9/7/2020 | Winnipeg Jets send Jaccob Slavin, Dylan DeMelo, Neil Pionk to the Buffalo Sabres for John Gilmour, Jared Tinordi |
| 2/17/2020 | Detroit Red Wings send Jaccob Slavin to the Winnipeg Jets for Julien Gauthier, $750,000 |
| 1/14/2020 | Buffalo Sabres send Mark Jankowski, Jaccob Slavin, Mon 2024 Rnd 1 to the Detroit Red Wings for Peter Delmas |
| 2/6/2019 | Buffalo Sabres send Brandon Dubinsky, Cameron Schilling, Dana Tyrell, BUF 2027 Rnd 2, BUF 2028 Rnd 2 to the Nashville Predators for Alexander Salak, Jaccob Slavin, Olli Juolevi, Pierre-Luc Dubois, Zemgus Girgensons, TB 2023 Rnd 1, BOS 2023 Rnd 2, MON 2024 Rnd 1, NAS 2026 Rnd 1 |
| 2022 | Drafted in the 1st round, 28th overall by Nashville (from Pittsburgh) |
