Boston Bruins 2021-22

St. Louis Blues acquire	Date	Boston Bruins acquire
Brady Lyle	March 28, 2022	Future considerations

Ottawa Senators acquire	Date	Boston Bruins acquire
Zach Senyshyn 2022 5th round pick	March 21, 2022	Josh Brown 2022 conditional 7th round pick
Comment: If Senyshyn plays five NHL games with the Senators before the end of the season, the 7th round pick will become a 6th round pick.

Boston Bruins acquire	Date	Anaheim Ducks acquire
Hampus Lindholm Kodie Curran	March 19, 2022	John Moore Urho Vaakanainen 2022 1st round pick 2023 2nd round pick 2024 2nd round pick

Calgary Flames acquire	Date	Boston Bruins acquire
Daniel Vladar	July 28, 2021	2022 3rd round pick