Oct 4
Montreal acquires Gustav Olofsson ($725,000)	Minnesota acquires William Bitten

Oct 1
St Louis acquires Jakub Jerabek	Edmonton acquires 2020 6th round pick

Oct 1
Toronto acquires 2019 7th round pick	Dallas acquires Connor Carrick

Oct 1
Montreal acquires Brett Kulak	Calgary acquires Rinat ValievMatthew Taormina

Oct 1
Buffalo acquires Jack Dougherty	Nashville acquires Nicholas Baptiste

Sep 13
Ottawa acquires 2020 1st round pick 2019 2nd round pick Chris Tierney ($2,937,500)Josh NorrisRudolfs Balcers ($759,167)Dylan Demelo ($900,000)	San Jose acquires Erik Karlsson ($6,500,000)Francis Perron ($703,333)

Sep 11
Boston acquires Steven Kampfer ($650,000)2019 4th round pick 2019 7th round pick	New York acquires Adam McQuaid ($2,750,000)

Sep 10
Montreal acquires Nick SuzukiTomas Tatar ($5,300,000)2019 2nd round pick	Las Vegas acquires Max Pacioretty ($4,500,000)

Aug 20
Montreal acquires Hunter Shinkaruk	Calgary acquires Kerby Rychel

Aug 2
Buffalo acquires Jeff Skinner ($5,725,000)	Carolina acquires Cliff Pu ($925,000)2019 2nd round pick 2020 3rd round pick 2020 6th round pick

Jul 18
Columbus acquires Ryan MacInnis ($797,500)	Arizona acquires Jacob Graves ($750,833)2019 6th round pick

Jul 12
Chicago acquires Marcus Kruger ($3,083,333)Mackenzie EntwistleJordan MalettaAndrew Campbell ($650,000)2019 5th round pick	Arizona acquires Marian Hossa ($5,725,000)Vincent HinostrozaJordan Oesterle ($650,000)2019 3rd round pick

Jul 3
New York acquires Matt Martin ($2,500,000)	Toronto acquires Eamon McAdam ($925,000)

Jul 1
Anaheim acquires Chase De Leo	Winnipeg acquires Nicolas Kerdiles

Jul 1
Buffalo acquires Tage Thompson ($925,000)Patrik Berglund ($3,850,000)Vladimir Sobotka ($3,500,000)2019 1st round pick 2021 2nd round pick	St Louis acquires Ryan O'Reilly ($7,500,000)

Jun 30
acquires 2019 7th round pick	Montreal acquires Steve Mason ($4,100,000)Joel Armia2020 4th round pick	Winnipeg acquires Simon Bourque ($720,000)

Jun 27
Columbus acquires Jean-Francois Berube	Chicago acquires Jordan Schroeder

Jun 27
Buffalo acquires Matt Hunwick ($2,250,000)Conor Sheary ($3,000,000)	Pittsburgh acquires 2019 4th round pick

Jun 24
Detroit acquires 2019 7th round pick	Arizona acquires Robbie Russo

Jun 24
Vancouver acquires Tanner Kero	Chicago acquires Michael Chaput

Jun 23
Carolina acquires Dougie HamiltonMichael FerlandAdam Fox	Calgary acquires Elias LindholmNoah Hanifin

Jun 22
Washington acquires 2018 2nd round pick (#47 , )	Colorado acquires Brooks Orpik ($5,500,000)Phillip Grubauer

Jun 19
Florida acquires Mike Hoffman ($5,187,500)2018 7th round pick	San Jose acquires 2018 4th round pick 2018 5th round pick 2019 2nd round pick

Jun 19
Ottawa acquires Mikkel Boedker ($4,000,000)Julius Bergman ($714,167)2020 6th round pick	San Jose acquires Mike Hoffman ($5,187,500)Cody Donaghey ($600,000)2020 5th round pick

Jun 16
San Jose acquires Kyle Wood	Arizona acquires Adam Helewka

Jun 15
Montreal acquires Max Domi	Arizona acquires Alex Galchenyuk ($4,900,000)

Jun 14
Buffalo acquires Mike SisloBrandon Hickey	Arizona acquires Hudson Fasching

Jun 13
Tampa Bay acquires Andy Andreoff ($677,500)	Los Angeles acquires Peter Budaj ($1,025,000)

Jun 8
Toronto acquires 2020 7th round pick	Edmonton acquires Nolan Vesey

May 4
Carolina acquires Jordan Martinook	Arizona acquires Marcus Kruger2018 4th round pick

Mar 21
Philadelphia acquires Cooper Marody	Edmonton acquires 2019 3rd round pick

Feb 26
Ottawa acquires 2019 7th round pick	Calgary acquires Nick Shore

Feb 26
Vancouver acquires Tyler MotteJussi Jokinen	Columbus acquires Thomas Vanek

Feb 26
New York acquires Chris Wagner	Anaheim acquires Jason Chimera

Feb 26
Nashville acquires Ryan Hartman2018 5th round pick	Chicago acquires 2018 1st round pick Victor Ejdsell2018 4th round pick

Feb 26
Buffalo acquires 2019 1st round pick (becomes a 2nd if contract isn't extended)2020 4th round pick 0 0th round pick Daniel O'Regan	San Jose acquires Evander Kane

Feb 26
Columbus acquires Ryan Kujawinski	Arizona acquires Jordan MalettaCarter Camper

Feb 26
Nashville acquires Tyler GaudetJohn Ramage	Arizona acquires Pierre-Cedric LabrieTrevor Murphy

Feb 26
Montreal acquires Mike Reilly	Minnesota acquires 2019 5th round pick

Feb 26
New York acquires Chris Bigras	Colorado acquires Ryan Graves

Feb 26
New York acquires J.T. MillerVladislav NamestnikovLibor HajekBrett Howden2018 1st round pick 2020 2nd round pick	Tampa Bay acquires Ryan McDonagh

Feb 26
Vancouver acquires Brendan Leipsic	Las Vegas acquires Philip Holm

Feb 26
Ottawa acquires Nick Moutrey2020 3rd round pick	Columbus acquires Ian Cole

Feb 26
Boston acquires Tommy Wingels	Chicago acquires 2019 5th round pick

Feb 26
Detroit acquires 2018 1st round pick 2019 2nd round pick 2021 3rd round pick	Las Vegas acquires Tomas Tatar

Feb 26
St Louis acquires 2018 1st round pick Erik Foley2020 4th round pick	Winnipeg acquires Paul Stastny