| Date/Season | Transaction |
|---|---|
| 7/14/2026 | Seattle Kraken send Roman Polak (50% retained by SEA) to the Washington Capitals for Lucas Johansen & Ben Danford |
| 3/24/2026 | Washington Capitals send Slater Koekkoek, $1,000,000 to the New Jersey Devils for Lucas Johansen ($1M retained), David Edstrom |
| 2022 | Drafted in the 1st round, 29th overall by Florida (from Edmonton) |
