Jan 17
Pittsburgh acquires John Nyberg (LW)	Dallas acquires Oula Palve (C)

Jan 7
Montreal acquires Laurent Dauphin (C)	Nashville acquires Michael McCarron (RW)

Jan 2
Ottawa acquires Mike Reilly (D) ($1,500,000)	Montreal acquires 2021 5th round pick Andrew Sturtz (RW)

Jan 2
Buffalo acquires Michael Frolik (RW) ($3,000,000)	Calgary acquires 2020 4th round pick

Jan 2
Buffalo acquires 2020 4th round pick	Montreal acquires Marco Scandella (D) ($4,750,000)

Dec 30
Tampa Bay acquires Patrick Sieloff (D)	Anaheim acquires Chris Mueller (C)

Dec 17
Pittsburgh acquires Kevin Roy (C)	Florida acquires Ryan Haggerty (RW)

Dec 16
New Jersey acquires Nicholas Merkley (RW)Nate Schnarr (C)Kevin Bahl (D)2020 1st round pick (Top 3 protected (moves to 2021))2021 3rd round pick (Becomes a 2nd with a playoff round win OR extension for Hall, becomes a 1st if both conditions are met)	Arizona acquires Taylor Hall (LW) ($3,000,000)Blake Speers (RW)

Dec 12
Carolina acquires Oliwer Kaski (D)	Detroit acquires Kyle Wood (D)

Dec 3
Washington acquires 2021 5th round pick	Las Vegas acquires Chandler Stephenson (C)

Dec 2
Detroit acquires Eric Comrie (G)	Arizona acquires Vili Saarijarvi (D)

Nov 24
Buffalo acquires Matt Spencer (D)	Tampa Bay acquires Devante Stephens (D)

Nov 20
Pittsburgh acquires Graham Knott (LW)	Chicago acquires Joseph Cramarossa (C)

Nov 1
New Jersey acquires Louis Domingue (G)	Tampa Bay acquires 2021 7th round pick

Oct 28
Detroit acquires Brendan Perlini (LW)	Chicago acquires Alec Regula (D)

Oct 27
Ottawa acquires Christopher Wilkie ()	Florida acquires Jack Rodewald (RW)

Oct 25
Pittsburgh acquires Andreas Martinsen (C)2021 7th round pick	Anaheim acquires Erik Gudbranson (D) ($4,000,000)

Oct 23
Florida acquires Aleksi Saarela (C)	Chicago acquires Ian McCoshen (D)

Oct 7
Detroit acquires Alex Biega (D)	Vancouver acquires David Pope (LW)

Oct 7
Ottawa acquires Vladislav Namestnikov (C) ($3,892,405)	New York acquires Nick Ebert (D)2021 4th round pick

Sep 27
San Jose acquires Nicholas Meloche (D)	Colorado acquires Antoine Bibeau (G)

Sep 24
Carolina acquires Joel Edmundson (D) ($3,100,000)Dominik Bokk (RW)2021 7th round pick	St Louis acquires Justin Faulk (D) ($4,156,666)2020 5th round pick

Aug 26
Florida acquires Gustav Bouramman (D)	Minnesota acquires future considerations

Aug 14
Tampa Bay acquires 2020 4th round pick	Detroit acquires Adam Erne (LW)

Aug 7
Carolina acquires Kyle Wood (D)	San Jose acquires Trevor Carrick (D)

Jul 30
Ottawa acquires Ryan Callahan (RW) ($5,800,000)2020 5th round pick	Tampa Bay acquires Michael Condon (G) ($2,400,000)2020 6th round pick

Jul 29
New Jersey acquires Nikita Gusev (LW)	Las Vegas acquires 2020 3rd round pick 2021 2nd round pick

Jul 26
Pittsburgh acquires John Marino (D)	Edmonton acquires 2021 6th round pick

Jul 25
Toronto acquires Jordan Schmaltz (D) ($700,000)	St Louis acquires Andreas Borgman (D) ($700,000)

Jul 23
Toronto acquires David Clarkson (RW) ($5,250,000)2020 4th round pick	Las Vegas acquires Garret Sparks (G) ($750,000)

Jul 19
Calgary acquires Milan Lucic (LW) ($5,250,000)	Edmonton acquires James Neal (LW) ($5,750,000)

Jul 16
Ottawa acquires Artem Anisimov (C) ($4,550,000)	Chicago acquires Zack Smith (C) ($3,250,000)

Jul 12
Toronto acquires future considerations	St Louis acquires Dakota Joshua (C)

Jul 9
Buffalo acquires Henri Jokiharju (D)	Chicago acquires Alexander Nylander (RW)

Jul 1
Toronto acquires Alexander Kerfoot (C)Tyson Barrie (D) ($2,750,000)2020 6th round pick	Colorado acquires Nazem Kadri (C) ($4,500,000)Calle Rosen (D)2020 3rd round pick

Jul 1
Ottawa acquires Connor Brown (RW) ($2,100,000)Nikita Zaitsev (D) ($4,500,000)Michael Carcone (RW)	Toronto acquires Cody Ceci (D)Ben Harpur (D) ($725,000)Aaron Luchuk (C)2020 3rd round pick

Jul 1
Buffalo acquires Jimmy Vesey (LW) ($2,275,000)	New York acquires 2021 3rd round pick

Jun 30
Montreal acquires 2020 4th round pick	Anaheim acquires Nicolas Deslauriers (LW) ($950,000)

Jun 30
Carolina acquires James Reimer (G) ($3,400,000)	Florida acquires Scott Darling (G) ($1,233,333)2019 6th round pick

Jun 30
Montreal acquires 2020 2nd round pick 2020 7th round pick 2021 3rd round pick	Chicago acquires Andrew Shaw (C) ($3,900,000)2021 7th round pick

Jun 29
Pittsburgh acquires Alex Galchenyuk (C) ($4,900,000)Pierre-Olivier Joseph (D)	Arizona acquires Philip Kessel (RW) ($6,800,000)Dane Birks (D)2021 4th round pick

Jun 29
Florida acquires Dominic Toninato (C)	Colorado acquires Jacob MacDonald (D)

Jun 28
Washington acquires 2020 2nd round pick 2020 3rd round pick Scott Kosmachuk (RW)	Colorado acquires Andre Burakovsky (LW)

Jun 28
Buffalo acquires Colin Miller (D)	Las Vegas acquires 2021 2nd round pick 2022 5th round pick

Jun 27
Carolina acquires Erik Haula (C)	Las Vegas acquires Nicolas Roy (C)2021 5th round pick

Jun 25
Colorado acquires Kevin Connauton (D) ($1,375,000)	Arizona acquires Carl Soderberg (C) ($4,750,000)2020 3rd round pick

Jun 24
Carolina acquires Anton Forsberg (G)Gustav Forsling (D)	Chicago acquires Aleksi Saarela (C)Calvin de Haan (D) ($4,550,000)

Jun 24
Philadelphia acquires Tyler Pitlick (RW)	Dallas acquires Ryan Hartman (RW)

Jun 22
Carolina acquires Patrick Marleau (LW)	Toronto acquires 2020 1st round pick (conditional)2020 7th round pick

Jun 22
New Jersey acquires John Hayden (C)	Chicago acquires John Quenneville (C)

Jun 22
New Jersey acquires P.K. Subban (D)	Nashville acquires Jeremy Davies (D)Steven Santini (D)2020 2nd round pick 2019 2nd round pick (#34 , )

Jun 22
Tampa Bay acquires Marek Mazanec (G)	Vancouver acquires J.T. Miller (C)