February 7 — Acquired forward Jussi Jokinen from the Tampa Bay Lightning in exchange for forward/defenseman Wade Brookbank, defenseman Josef Melichar and a fourth-round pick in the 2009 NHL Draft (Pick forfeited by the Toronto Maple Leafs).
March 4 — Acquired forward Patrick O’Sullivan and a second-round pick in the 2009 NHL Draft from the Los Angeles Kings (Brian Dumoulin) in exchange for forward Justin Williams; acquired forward Erik Cole and a fifth-round pick in the 2009 NHL Draft (Matt Kennedy) from the Edmonton Oilers in exchange for O’Sullivan.
March 18 — Signed goaltender Mike Murphy to a three-year, entry-level contract.
March 29 — Signed defenseman Jamie McBain to a three-year, entry-level contract.
May 20 — Signed forward Matthew Pistilli to a three-year, entry-level contract.
May 29 — Signed forward Chris Terry to a three-year, entry-level contract.
June 15 — Signed head coach Paul Maurice to a multi-year contract; announced that Ron Francis would return to the bench as associate head coach and director of player personnel and named Tom Barrasso an assistant coach.
June 29 — Signed forward Jussi Jokinen to a two-year contract.
July 1 — Signed forward Erik Cole to a two-year contract.
July 2 — Signed forward Chad LaRose to a two-year contract.
July 8 — Signed forward Steve Goertzen, defenseman Casey Borer and goaltender Justin Peters to one-year contracts.
July 9 — Signed defenseman Jay Harrison to a one-year contract.
July 15 — Signed forward Tom Kostopoulos to a three-year contract.
July 15 — Signed defenseman Andrew Alberts to a two-year contract.
July 15 — Signed defenseman Zack Fitzgerald and forward Mike Angelidis to one-year contracts.
July 20 — Signed defensemen Brett Carson and Bryan Rodney to one-year contracts.
July 23 — Signed forward Tuomo Ruutu to a three-year contract.
July 24 — Acquired defenseman Aaron Ward from the Boston Bruins in exchange for forward Patrick Eaves and a fourth-round pick in the 2010 NHL Draft (Craig Cunningham).
July 28 — Bought out the remaining year of defenseman Frantisek Kaberle’s contract.
August 18 — Signed forward Stephane Yelle to a one-year contract.
August 31 — Acquired forward Rob Hennigar from the New York Islanders in exchange for forward Bobby Hughes.
December 3 — Acquired forward Jiri Tlusty from the Toronto Maple Leafs in exchange for the rights to forward Philippe Paradis.
December 4 — Assistant coach Kevin McCarthy named to the Philadelphia Flyers’ coaching staff.

February 7 — Acquired a second-round pick in the 2010 NHL Draft (Mark Alt) from the San Jose Sharks in exchange for defenseman Niclas Wallin and a fifth-round pick in the 2010 NHL Draft (Cody Ferriero).
February 12 — Acquired defenseman Alexandre Picard and a second-round pick in the 2010 NHL Draft (Martin Marincin) from the Ottawa Senators in exchange for forward Matt Cullen.
March 3 — Acquired goaltender Justin Pogge and a fourth-round pick in the 2010 NHL Draft (Justin Shugg) from the Anaheim Ducks in exchange for defenseman Aaron Ward.
March 3 — Acquired a seventh-round pick in the 2010 NHL Draft (Ricard Blidstrand) from the Washington Capitals in exchange for forward Scott Walker.
March 3 — Acquired defenseman Brian Pothier, forward Oskar Osala and a second-round pick in the 2011 NHL Draft (Tyler Wotherspoon) from the Washington Capitals in exchange for defenseman Joe Corvo.
March 3 — Acquired forward Cedric Lalonde-McNicoll and a sixth-round pick in the 2010 NHL Draft (Tyler Stahl) from the Colorado Avalanche in exchange for forwards Stephane Yelle and Harrison Reed.
March 3 — Acquired a third-round pick in the 2010 NHL Draft (Austin Levi) from the Vancouver Canucks in exchange for defenseman Andrew Alberts.
May 13 — Acquired forward Jared Staal from the Phoenix Coyotes in exchange for Nashville’s fifth-round pick in the 2010 NHL Draft (Louis Domingue).
June 26 — Acquired forward Jonathan Matsumoto from the Philadelphia Flyers in exchange for Washington’s seventh-round pick in the 2010 NHL Draft (Ricard Blidstrand).
June 26 — Acquired forward Riley Nash from the Edmonton Oilers in exchange for Ottawa’s second-round pick in the 2010 NHL Draft (Martin Marincin).
June 26 — Acquired defenseman Bobby Sanguinetti from the New York Rangers in exchange for a sixth-round pick in the 2010 NHL Draft (Jesper Fast) and a second-round pick in the 2011 NHL Draft (Tyler Wotherspoon).
September 17 — Signed forward Patrick O’Sullivan as a free agent.
September 21 — Signed forward Jeff Skinner to a three-year, entry-level contract.
November 16 — Claimed forward Troy Bodie on waivers from the Anaheim Ducks.
November 17 — Acquired defenseman Ian White and forward Brett Sutter from the Calgary Flames in exchange for defenseman Anton Babchuk and forward Tom Kostopoulos.
November 23 — Acquired forward Ryan Carter from the Anaheim Ducks in exchange for forwards Stefan Chaput and Matt Kennedy.

February 18 — Acquired defenseman Derek Joslin from the San Jose Sharks in exchange for future considerations; acquired San Jose’s second-round pick in the 2012 NHL Draft (Brock McGinn) in exchange for defenseman Ian White.
February 22 — Acquired forward Cory Stillman from the Florida Panthers in exchange for forward Ryan Carter and a fifth-round pick in the 2011 NHL Draft (Sean Kuraly).
February 28 — Defenseman Brett Carson claimed on waivers by the Calgary Flames.
February 28 — Acquired defenseman Bryan Allen from the Florida Panthers in exchange for forward Sergei Samsonov.
April 4 — Signed defenseman Rasmus Rissanen to a three-year, entry-level contract.
April 12 — Signed defenseman Justin Krueger to a one-year, entry-level contract.
April 15 — Signed defenseman Justin Faulk to a three-year, entry-level contract.
June 4 — Signed defenseman Tommi Kivisto and forward Mattias Lindstrom to three-year, entry-level contracts.
June 7 — Named Rod Brind’Amour and Dave Lewis assistant coaches; named
Ron Francis director of hockey operations.
July 1 — Signed forward Tim Brent to a two-year contract.
July 1 — Signed goaltender Brian Boucher to a two-year contract.
July 1 — Signed forward Alexei Ponikarovsky to a one-year contract.
July 2 — Signed forward Justin Soryal to a one-year, two-way contract.
July 2 — Signed forward Anthony Stewart to a two-year contract.
July 5 — Signed defenseman Tomas Kaberle to a three-year contract.
July 5 — Acquired a fourth-round pick in the 2012 NHL Draft (Trevor Carrick) in exchange for defenseman Joe Corvo.
July 15 — Signed forward Chris Durno to a one-year, two-way contract.
September 22 — Signed president and general manager Jim Rutherford to a four-year contract extension.
November 28 — Relieved Paul Maurice of his head coaching duties; named Kirk Muller head coach.
November 29 — Claimed forward Andreas Nodl on waivers from the Philadelphia Flyers.
December 1 — Named John MacLean assistant coach.
December 9 — Acquired defenseman Jaroslav Spacek from the Montreal Canadiens in exchange for defenseman Tomas Kaberle.

January 18 — Acquired forwards Evgenii Dadonov and A.J. Jenks from the Florida Panthers in exchange for forwards Jon Matsumoto and Mattias Lindstrom.
January 20 — Acquired defenseman Joe Sova and a fourth-round pick in the 2012 NHL Draft (Jaccob Slavin) from the New Jersey Devils in exchange for forward Alexei Ponikarovsky.
January 30 — Signed defenseman Tim Gleason to a four-year contract extension.
February 22 — Signed forward Tuomo Ruutu to a four-year contract extension.
March 16 — Signed defenseman Austin Levi to a three-year, entry-level contract.
April 5 — Signed forward Jeremy Welsh to a one-year, entry-level contract.
April 10 — Signed defenseman Brian Dumoulin to a three-year, entry-level contract.
April 23 — Signed defenseman Beau Schmitz to a three-year, entry-level contract.
April 24 — Signed forward Jiri Tlusty to a two-year contract.
May 21 — Signed defenseman Jamie McBain to a two-year contract.
May 21 — Signed defenseman Bobby Sanguinetti to a one-year, two-way contract.
May 21 — Signed forward Nicolas Blanchard to a two-year, two-way contract.
June 1 — Signed forward Brody Sutter to a three-year, entry-level contract.
June 1 — Signed defenseman Justin Krueger to a one-year, two-way contract.
June 7 — Signed goaltender John Muse to a one-year, two-way contract.
June 22 — Acquired forward Jordan Staal from the Pittsburgh Penguins in exchange for forward Brandon Sutter, defenseman Brian Dumoulin and a first-round pick in the 2012 NHL Draft (Derrick Pouliot).
July 1 — Signed forward Jordan Staal to a 10-year contract extension.
July 1 — Signed defenseman Joe Corvo and forward Brett Sutter to one-year contracts.
July 1 — Signed goaltender Justin Peters to a two-year contract.
July 11 — Signed defenseman Marc-Andre Gragnani to a one-year, two-way contract.
July 13 — Signed forward Chris Terry to a two-year, two-way contract.
July 19 — Signed forward Tim Wallace to a one-year, two-way contract.
July 20 — Signed forward Jerome Samson to a one-year, two-way contract.
July 23 — Signed forward Drayson Bowman to a two-year contract.
July 24 — Signed defenseman Jay Harrison to a three-year contract extension.
July 24 — Signed forward Zach Boychuk to a one-year, two-way contract.
July 26 — Signed forward Alexander Semin to a one-year contract.
August 8 — Signed forward Jeff Skinner to a six-year contract extension.
September 5 — Signed forward Patrick Dwyer to a two-year contract extension.
September 11 — Signed forward Jeremy Welsh to a two-year contract.

January 13 — Signed goaltender Dan Ellis to a one-year contract.
January 13 — Acquired forward Kevin Westgarth from the Los Angeles Kings in exchange for forward Anthony Stewart, a fourth-round pick in the 2013 NHL Draft (Kyle Platzer) and a sixth-round pick in the 2014 NHL Draft (Jake Marchment).
January 13 — Acquired forward Luke Pither from the Philadelphia Flyers in exchange for goaltender Brian Boucher and defenseman Mark Alt.
January 31 — Forward Zach Boychuk claimed on waivers by the Pittsburgh Penguins.
March 13 — Signed defenseman Danny Biega to a three-year, entry-level contract.
March 14 — Signed defenseman Keegan Lowe to a three-year, entry-level contract.
March 16 — Claimed forward Adam Hall on waivers from the Tampa Bay Lightning.
March 21 — Claimed forward Zach Boychuk on waivers from the Nashville Predators.
March 25 — Signed forward Alexander Semin to a five-year contract extension.
April 2 — Acquired defenseman Marc-Andre Bergeron from the Tampa Bay Lightning in exchange for forward Adam Hall and a seventh-round pick in the 2013 NHL Draft (Joel Vermin).
April 3 — Acquired a conditional sixth- or seventh-round pick in the 2013 NHL Draft from the Pittsburgh Penguins in exchange for forward Jussi Jokinen.
April 3 — Signed forward Brock McGinn to a three-year, entry-level contract.
April 10 — Signed forward Brendan Woods to a three-year, entry-level contract.
June 25 — Signed forward Brett Sutter to a one-year, two-way contract.
June 28 — Signed defenseman Brett Bellemore to a one-year, two-way contract.
June 30 — Acquired defenseman Andrej Sekera from the Buffalo Sabres in exchange for a second-round pick in the 2013 NHL Draft (J.T. Compher) and defenseman Jamie McBain.
July 5 — Signed goaltender Anton Khudobin and defenseman Mike Komisarek to one-year contracts.
July 9 — Signed forward Riley Nash to a two-year, two-way contract.
July 10 — Signed defensemen Matthew Corrente and Mark Flood and forward Aaron Palushaj to one-year, two-way contracts.
July 11 — Signed defenseman Michal Jordan to a one-year, two-way contract.
July 15 — Signed forward Elias Lindholm to a three-year, entry-level contract.
July 16 — Signed forward Jared Staal to a one-year, two-way contract.
July 19 — Signed forward Zac Dalpe to a one-year, two-way contract.
July 25 — Signed forward Nathan Gerbe to a one-year, two-way contract.
August 20 — Signed forward Zach Boychuk to a one-year, two-way contract.
August 22 — Signed forward Sergey Tolchinsky to a three-year, entry-level contract.
September 12 — Signed defenseman Ron Hainsey to a one-year contract.
September 29 — Acquired forward Kellan Tochkin and a fourth-round pick in the 2014 NHL Draft (Josh Wesley) from the Vancouver Canucks in exchange for forwards Zac Dalpe and Jeremy Welsh.
October 2 — Signed forward Radek Dvorak to a one-year contract.
October 31 — Signed forward Manny Malhotra to a one-year contract.
December 6 — Signed forward Carter Sandlak to a three-year, entry-level contract.
December 30 — Acquired forward Greg Nemisz from the Calgary Flames in exchange for forward Kevin Westgarth.

January 1 — Acquired defensemen John-Michael Liles and Dennis Robertson from the Toronto Maple Leafs in exchange for defenseman Tim Gleason.
March 5 — Acquired forward Andrei Loktionov and a third-round pick in the 2017 NHL Draft (Morgan Geekie) from the New Jersey Devils in exchange for forward Tuomo Ruutu.
April 12 — Signed forward Patrick Brown to a two-year, entry-level contract.
April 28 — Named Ron Francis general manager, Brian Tatum assistant general manager and Mike Vellucci assistant general manager and director of hockey operations. Jim Rutherford remained in role of team president.
May 5 — Relieved Kirk Muller, Dave Lewis and John MacLean of their coaching duties; Greg Stefan reassigned to pro scouting staff.
June 19 — Named Bill Peters head coach.
June 20 — Named Ricky Olczyk assistant general manager.
June 24 — Named Steve Smith assistant coach.
July 1 — Named Don Waddell team president.
July 1 — Signed forward Brad Malone to a two-year contract.
July 1 — Signed forward Jay McClement to a one-year contract.
July 1 — Signed goaltender Drew MacIntyre to a one-year, two-way contract.
July 3 — Signed defenseman Tim Gleason to a one-year contract.
July 4 — Signed forward Ben Holmstrom to a one-year, two-way contract.
July 15 — Named David Marcoux goaltending coach.
November 20 — Claimed forwad Andrej Nestrasil on waivers from the Detroit Red Wings.
December 18 — Acquired a sixth-round pick in the 2015 NHL Draft (David Cotton) from the Winnipeg Jets in exchange for defenseman Jay Harrison.

February 25 — Acquired a third-round pick in the 2016 NHL Draft (Matt Filipe) and a fifth-round pick in the 2015 NHL Draft (Spencer Smallman) from the Winnipeg Jets in exchange for forward Jiri Tlusty.
February 25 — Acquired defenseman Roland McKeown and a first-round pick in the 2016 NHL Draft (Julien Gauthier) from the Los Angeles Kings in exchange for defenseman Andrej Sekera.
February 28 — Acquired defenseman Jack Hillen and a fourth-round pick in the 2015 NHL Draft (Callum Booth) from the Washington Capitals in exchange for defenseman Tim Gleason.
March 22 — Signed goaltender Rasmus Tirronen to a one-year, entry-level contract.
April 30 — Team announced it would not renew the contract of Charlotte Checkers (AHL) head coach Jeff Daniels.
June 15 — Signed forward Derek Ryan to a one-year, two-way contract.
June 27 — Acquired goaltender Eddie Lack from the Vancouver Canucks in exchange for a third-round pick in the 2015 NHL Draft (Guillaume Brisebois) and a seventh-round pick in the 2016 NHL Draft (Brett McKenzie).
June 27 — Acquired defenseman James Wisniewski from the Anaheim Ducks in exchange for goaltender Anton Khudobin.
July 1 — Bought out the remainder of forward Alexander Semin’s contract.
July 1 — Signed forward T.J. Hensick to a one-year, two-way contract.
July 3 — Named Mark Morris head coach of the Checkers (AHL).
August 31 — Named Mark Craig, Jeff Daniels and Ray Whitney to the pro scouting staff and named Don Elland to the amateur scouting staff.
September 11 — Acquired forwards Kris Versteeg and Joakim Nordstrom and a third-round pick in the 2017 NHL Draft (Keith Petruzzelli) from the Chicago Blackhawks in exchange for defensemen Dennis Robertson and Jake Massie and a fifth-round pick in the 2017 NHL Draft (Kristoffer Gunnarsson).

February 28 — Acquired forward Aleksi Saarela, a second-round pick in the 2016 NHL Draft (Artur Kayumov) and a second-round pick in the 2017 NHL Draft (Luke Martin) from the New York Rangers in exchange for forward Eric Staal.
February 28 — Acquired forward Valentin Zykov and a fifth-round pick in the 2016 NHL Draft (Michael Eyssimont) from the Los Angeles Kings in exchange for forward Kris Versteeg.
February 29 — Acquired defenseman Dennis Robertson from the Chicago Blackhawks in exchange for goaltender Drew MacIntyre.
February 29 — Acquired forward Anthony Camara, a third-round pick in the 2016 NHL Draft (Jack LaFontaine) and a fifth-round pick in the 2017 NHL Draft (Jack Dugan) from the Boston Bruins in exchange for defenseman John-Michael Liles.
March 7 — Acquired forward Dane Fox from the Vancouver Canucks in exchange for future considerations.
March 8 — Signed forward Andrew Poturalski to a two-year, entry-level contract.
April 22 — Signed defenseman Jake Chelios to a one-year, two-way contract.
May 2 — Announced that Charlotte Checkers (AHL) head coach Mark Morris had accepted the head coaching position at St. Lawrence University.
May 31 — Named Ulf Samuelsson head coach of the Checkers (AHL).
June 15 — Acquired forwards Bryan Bickell and Teuvo Teravainen from the Chicago Blackhawks in exchange for a second-round pick in the 2016 NHL Draft (Artur Kayumov) and a third-round pick in the 2017 NHL Draft (Keith Petruzzelli).
July 1 — Signed forward Lee Stempniak to a two-year contract.
July 1 — Signed forward Viktor Stalberg to a two-year contract.
July 1 — Signed forward Andrew Miller to a one-year, two-way contract.
July 3 — Signed defenseman Matt Tennyson to a one-year, two-way contract.
September 7 — Signed goaltender Michael Leighton to a one-year, two-way contract.
October 9 — Claimed forward Martin Frk on waivers from the Detroit Red Wings.
October 9 — Signed defenseman Jakub Nakladal to a one-year contract.
October 11 — Claimed defenseman Klas Dahlbeck on waivers from the Arizona Coyotes.
October 11 — Acquired forward Connor Brickley from the Florida Panthers in exchange for forward Brody Sutter.
December 31 — Signed equipment manager Jorge Alves to a professional tryout contract to serve as a backup goaltender.

January 4 — Claimed forward Ty Rattie on waivers from the St. Louis Blues.
February 21 — Acquired defenseman Philip Samuelsson from the Montreal Canadiens in exchange for defenseman Keegan Lowe.
February 23 — Acquired forward Danny Kristo and a second-round pick in the 2017 NHL Draft (Jake Leschyshyn) from the Pittsburgh Penguins in exchange for defenseman Ron Hainsey.
February 28 — Acquired a third-round pick in the 2017 NHL Draft (Evan Barratt) from the Ottawa Senators in exchange for forward Viktor Stalberg.
April 11 — Relieved David Marcoux of his goaltending coaching duties.
April 29 — Acquired goaltender Scott Darling from the Chicago Blackhawks in exchange for a third-round pick in the 2017 NHL Draft (Evan Barratt).
June 15 — Named Hurricanes assistant general manager and director of hockey operations Mike Vellucci head coach of the Charlotte Checkers (AHL).
June 17 — Named Mike Bales goaltending coach.
June 22 — Acquired defenseman Trevor van Riemsdyk from the Vegas Golden Knights in exchange for a second-round pick in the 2017 NHL Draft (Jake Leschyshyn).
June 29 — Acquired defenseman Keegan Kanzig and a sixth-round pick in the 2019 NHL Draft (Kevin Wall) from the Calgary Flames in exchange for goaltender Eddie Lack, defenseman Ryan Murphy and a seventh-round pick in the 2019 NHL Draft (Dustin Wolf).
July 1 — Signed forward Justin Williams to a two-year contract.
July 1 — Signed forward Josh Jooris to a one-year contract.
July 1 — Signed goaltender Jeremy Smith to a one-year, two-way contract.
July 1 — Signed defenseman Brenden Kichton to a one-year, two-way contract.
July 2 — Acquired forward Marcus Kruger from the Vegas Golden Knights in exchange for a fifth-round pick in the 2018 NHL Draft (Brandon Kruse).
July 14 — Signed forward Martin Necas to a three-year, entry-level contract.
July 27 — Signed forwad Phil Di Giuseppe to a one-year, two-way contract.
August 1 — Signed defenseman Brett Pesce to a six-year contract extension.

February 25 — Acquired forward Greg McKegg from the Pittsburgh Penguins in exchange for forward Josh Jooris.
March 27 — Signed goaltender Jeremy Helvig to a three-year, entry-level contract.
May 3 — Acquired forward Jordan Martinook and a fourth-round pick in the 2018 NHL Draft (Luke Henman) from the Arizona Coyotes in exchange for forward Marcus Kruger and a third-round pick in the 2018 NHL Draft (Ty Emberson).
May 10 — Signed forward Morgan Geekie to a three-year, entry-level contract.
May 18 — Signed forward Saku Maenalanen to a one-year, two-way contract.
June 6 — Signed forward Patrick Brown to a one-year, two-way contract.
June 8 — Signed forward Andrew Poturalski to a one-year, two-way contract.
June 15 — Signed defenseman Michael Fora to a two-year, two-way contract.
June 23 — Acquired defenseman Dougie Hamilton, forward Micheal Ferland and defenseman Adam Fox from the Calgary Flames in exchange for defenseman Noah Hanifin and forward Elias Lindholm.
June 25 — Signed forward Phil Di Giuseppe to a one-year contract.
June 29 — Signed forward Valentin Zykov to a two-year contract.
June 30 — Signed forward Andrei Svechnikov to a three-year, entry-level contract.
July 1 — Signed goaltender Petr Mrazek to a one-year contract.
July 2 — Signed defenseman Dan Renouf to a one-year, two-way contract.
July 3 — Signed defenseman Calvin de Haan to a four-year contract.
July 5 — Signed defenseman Trevor van Riemsdyk to a two-year contract.
July 12 — Signed forward Lucas Wallmark to a two-year contract.
July 12 — Signed forward Greg McKegg to a one-year, two-way contract.
August 2 — Acquired forward Cliff Pu, a second-round pick in the 2019 NHL Draft (Pyotr Kochetkov), a third-round pick in the 2020 NHL Draft (Alexander Nikishin) and a sixth-round pick in the 2020 NHL Draft (Yauheni Aksiantsiuk) from the Buffalo Sabres in exchange for forward Jeff Skinner.
September 27 — Signed defenseman Michal Cajkovsky to a one-year, two-way contract.
October 3 — Claimed goaltender Curtis McElhinney on waivers from the Toronto Maple Leafs.

January 17 — Acquired forward Nino Niederreiter from the Minnesota Wild in exchange for forward Victor Rask.
January 21 — Signed forward Teuvo Teravainen to a five-year contract extension.
January 29 — Signed forward Jordan Martinook to a two-year contract extension.
March 21 — Signed forward Stelio Mattheos to a three-year, entry-level contract.
April 17 — Signed forward Jacob Pritchard to a one-year, entry-level contract.
April 30 — Acquired a second-round pick in the 2019 NHL Draft (Mads Sogaard) and a conditional second-round pick in the 2020 NHL Draft (Noel Gunler) from the New York Rangers in exchange for defenseman Adam Fox.
May 28 — Signed defenseman Jesper Sellgren to a three-year, entry-level contract.
May 30 — Signed forward Eetu Luostarinen to a three-year, entry-level contract.
June 22 — Acquired Patrick Marleau, a first-round pick in the 2020 NHL Draft (Seth Jarvis) and a seventh-round pick in the 2020 NHL Draft (Alexander Pashin) from the Toronto Maple Leafs in exchange for a sixth-round pick in the 2020 NHL Draft (Alex Rindell).
June 24 — Acquired goaltender Anton Forsberg and defenseman Gustav Forsling from the Chicago Blackhawks in exchange for defenseman Calvin de Haan and forward Aleksi Saarela.
June 27 — Acquired forward Erik Haula from the Vegas Golden Knights in exchange for forward Nicolas Roy and a fifth-round pick in the 2021 NHL Draft (Oscar Plandowski).
June 28 — Signed goaltender Alex Nedeljkovic to a two-year contract.
June 30 — Acquired goaltender James Reimer from the Florida Panthers in exchange for goaltender Scott Darling and a sixth-round pick in the 2020 NHL Draft (Yevgeni Oksentyuk).
July 1 — Signed goaltender Petr Mrazek to a two-year contract.
July 4 — Signed forward Brian Gibbons to a one-year, two-way contract.
July 7 — Matched an offer sheet from the Montreal Canadiens to sign forward Sebastian Aho to a five-year contract.
July 8 — Signed defenseman Alex Lintuniemi to a one-year, two-way contract.
July 12 — Signed forward Ryan Dzingel to a two-year contract.
July 15 — Signed forward Clark Bishop to a one-year, two-way contract.
July 16 — Signed defenseman Haydn Fleury to a one-year contract.
July 16 — Signed defenseman Gustav Forsling to a one-year, two-way contract.
July 20 — Signed forward Brock McGinn to a two-year contract.
July 25 — Signed forward Max McCormick to a one-year, two-way contract.
August 6 — Acquired defenseman Kyle Wood from the San Jose Sharks in exchange for defenseman Trevor Carrick.
August 6 — Signed goaltender Anton Forsberg to a one-year contract.
August 17 — Signed defenseman Chase Priskie to a two-year, entry-level contract.
August 28 — Signed goaltender Cam Ward to a one-day contract.
September 4 — Signed defenseman Roland McKeown to a one-year, two-way contract.
September 6 — Signed defenseman Jake Gardiner to a four-year contract.
September 17 — Signed defenseman Fredrik Claesson to a one-year, two-way contract.
September 18 — Signed forward Ryan Suzuki to a three-year, entry-level contract.
September 24 — Acquired defenseman Joel Edmundson, forward Dominik Bokk and a seventh-round pick in the 2021 NHL Draft (Nikita Guslistov) from the St. Louis Blues in exchange for defenseman Justin Faulk and a fifth-round pick in the 2020 NHL Draft (Pavel Novak).
December 12 — Acquired defenseman Oliwer Kaski from the Detroit Red Wings in exchange for defenseman Kyle Wood.

January 7 — Signed forward Justin Williams to a one-year contract.
February 18 — Acquired defenseman Joey Keane from the New York Rangers in exchange for forward Julien Gauthier.
February 22 — Signed goaltender David Ayres to an amateur try-out agreement.
February 24 — Acquired forward Vincent Trocheck from the Florida Panthers in exchange for forwards Erik Haula, Lucas Wallmark and Eetu Luostarinen and defenseman Chase Priskie.
February 24 — Acquired defenseman Sami Vatanen from the New Jersey Devils in exchange for forward Janne Kuokkanen, defenseman Fredrik Claesson and a conditional fourth-round pick in the 2020 NHL Draft.
February 24 — Acquired defenseman Brady Skjei from the New York Rangers in exchange for a first round pick in the 2020 NHL Draft.
March 24 — Signed forward David Cotton to a two-year, entry-level contract.
March 24 — Signed forward Jason Cotton to a one-year, two-way contract.
September 12 — Acquired a fifth-round pick in the 2020 NHL Draft (Ben Meehan) from the Montreal Canadiens in exchange for defenseman Joel Edmundson.
October 10 — Signed forward Jesper Fast to a three-year contract.
October 12 — Signed defenseman Joakim Ryan to a one year, two-way contract.
October 12 — Signed forward Clark Bishop to a one-year contract.
October 13 — Signed forward Vasily Ponomarev to a three-year, entry-level contract.
October 14 — Signed forward Spencer Smallman to a one-year, two-way contract.
October 15 — Signed forward Steven Lorentz to a two-year, two-way contract.
October 16 — Signed forwards Jeremy Bracco, David Gust and Sheldon Rempal to one-year, two-way contracts.
October 21 — Signed forward Drew Shore to a one-year, two-way contract.
October 22 — Signed goaltender Antoine Bibeau to a one-year, two-way contract.
October 23 — Signed defenseman Gustav Forsling to a one-year, two-way contract.
October 27 — Signed defenseman Haydn Fleury to a two-year contract.
October 28 — Signed forward Max McCormick to a one-year, two-way contract.
November 1 — Signed forward Warren Foegele to a one-year contract.
December 18 — Signed defenseman Roland McKeown to a one-year, two-way contract.
December 28 — Signed forward Seth Jarvis to a three-year, entry-level contract.
December 30 — Signed forward Jamieson Rees to a three-year, entry-level contract.

January 12 — Claimed goaltender Anton Forsberg on waivers from the Edmonton Oilers.
January 12 — Acquired defenseman Maxime Lajoie from the Ottawa Senators in exchange for forward Clark Bishop.
February 13 — Acquired forwards Cedric Paquette and Alex Galchenyuk from the Ottawa Senators in exchange for forward Ryan Dzingel.
February 13 — Acquired a seventh-round pick in the 2022 NHL Draft (Alexander Pelevin) from the Columbus Blue Jackets in exchange for forward Gregory Hofmann.
February 15 — Acquired forward Egor Korshkov and defenseman David Warsofsky from the Toronto Maple Leafs in exchange for forward Alex Galchenyuk.
March 6 — Signed goaltender Beck Warm to a two-year, entry-level contract.
April 12 — Acquired defenseman Jani Hakanpaa and a sixth-round pick in the 2022 NHL Draft (Jakub Vondras) from the Anaheim Ducks in exchange for defenseman Haydn Fleury.
May 1 — Signed goaltenders Pyotr Kochetkov and Eetu Makiniemi to two-year, entry-level contracts.
May 11 — Signed defenseman Cavan Fitzgerald to a two-year, two-way contract.
May 14 — Signed forward Tuukka Tieksola to a three-year, entry-level contract.
May 24 — Signed forward Blake Murray to a three-year, entry-level contract.
June 13 — Signed defenseman Eric Gelinas to a one-year, two-way contract.
July 7 — Signed forward Jack Drury to a three-year, entry-level contract.
July 14 — Acquired goaltender Dylan Wells from the Edmonton Oilers in exchange for future considerations.
July 16 — Signed forward Morgan Geekie to a one-year, two-way contract.
July 22 — Acquired goaltender Jonathan Bernier and a third-round pick in the 2021 NHL Draft (Aidan Hreschuk) from the Detroit Red Wings in exchange for goaltender Alex Nedeljkovic.
July 23 — Acquired a second-round pick in the 2021 NHL Draft (Aleksi Heimosalmi) from the Columbus Blue Jackets in exchange for defenseman Jake Bean.
July 25 — Signed forward Spencer Smallman to a one-year, two-way contract.
July 28 — Acquired defenseman Ethan Bear from the Edmonton Oilers in exchange for forward Warren Foegele.
July 28 — Signed defensemen Tony DeAngelo and Ian Cole to one-year contracts.
July 28 — Signed forward Josh Leivo to a one-year contract.
July 28 — Signed goaltenders Antti Raanta and Frederik Andersen to two-year contracts.
July 28 — Signed forward Jordan Martinook to a three-year contract extension.
July 28 — Signed forward C.J. Smith to a one-year, two-way contract.
July 29 — Signed defenseman Brendan Smith to a one-year contract.
July 30 — Signed defenseman Jalen Chatfield and forward Sam Miletic to one-year, two-way contracts.
July 31 — Signed goaltender Alex Lyon and forward Maxim Letunov to one-year, two-way contracts.
July 31 — Signed forward Derek Stepan to a one-year contract.
August 1 — Signed forward Stefan Noesen to a one-year, two-way contract.
August 4 — Signed defenseman Josh Jacobs to a one-year, two-way contract.
August 11 — Signed forward Andrew Poturalski to a one-year, two-way contract.
August 12 — Signed defenseman Maxime Lajoie to a one-year, two-way contract.
August 15 — Signed defenseman Aleksi Heimosalmi and forward Ville Koivunen to three-year, entry-level contracts.
August 26 — Signed forward Andrei Svechnikov to an eight-year contract extension.
August 28 — Tendered an offer sheet to forward Jesperi Kotkaniemi on a one-year contract.
September 4 — Acquired forward Jesperi Kotkaniemi as Montreal declined to match an offer sheet.
September 24 — Signed defenseman Ronan Seeley to a three-year, entry-level contract.

January 8 — Signed goaltender Jack LaFontaine to a one-year, entry-level contract.
March 21 — Signed forward Jesperi Kotkaniemi to an eight-year contract extension. Acquired forward Max Domi from the Columbus Blue Jackets and defenseman Tyler Inamoto from the Florida Panthers, and traded defenseman Aidan Hreschuk to Columbus and forward Egor Korshkov to Florida as part of a three-team deal.
March 28 — Acquired defenseman Tarmo Reunanen from the New York Rangers in exchange for forward Maxim Letunov.
March 30 — Signed forward Noel Gunler to a three-year, entry-level contract.
May 3 — Signed forward Alexander Pashin to a three-year, entry-level contract.
July 8 — Acquired a fourth-round pick in the 2022 NHL Draft (Simon Forsmark), a third-round pick in the 2023 NHL Draft and a second-round pick in the 2024 NHL Draft from the Philadelphia Flyers in exchange for defenseman Tony DeAngelo and a seventh-round pick in the 2022 NHL Draft (Alexis Gendron).
July 12 — Signed forward Stefan Noesen to a two-year contract.
July 13 — Acquired defenseman Brent Burns and forward Lane Pederson from the San Jose Sharks in exchange for forward Steven Lorentz, goaltender Eetu Makiniemi and a third-round pick in the 2023 NHL Draft.
July 13 — Acquired forward Max Pacioretty and defenseman Dylan Coghlan from the Vegas Golden Knights in exchange for future considerations.
July 13 — Signed forward Ondrej Kase and goaltender Zach Sawchenko to a one-year contract.
July 15 — Signed forward Malte Stromwall to a one-year contract.
July 15 — Signed forward Mackenzie MacEachern to a one-year contract.
July 25 — Signed defenseman William Lagesson and forwards Stelio Mattheos and Ryan Dzingel to a one-year contract.
July 28 — Signed defenseman Ethan Bear to a one-year contract.
August 11 — Signed defenseman Maxime Lajoie to a one-year contract.
August 11 — Signed forward Martin Necas to a two-year contract.
August 17 — Signed defenseman Anttoni Honka to a three-year contract.
August 23 — Signed forward Paul Stastny to a one-year contract.
October 1 — Signed defenseman Calvin de Haan to a one-year contract.
October 11 — Signed forward Derek Stepan to a one-year contract.
October 28 — Acquired a fifth-round pick in the 2023 NHL Draft from the Vancouver Canucks in exchange for defenseman Ethan Bear and forward Lane Pederson.
November 23 — Signed goaltender Pyotr Kochetkov to a four-year contract extension.
November 30 — Acquired defenseman Zack Hayes from the Vegas Golden Knights in exchange for future considerations.

February 28 — Acquired forward Jesse Puljujarvi from the Edmonton Oilers in exchange for forward Patrik Puistola.
March 1 — Acquired defenseman Shayne Gostisbehere from the Arizona Coyotes in exchange for a third-round pick in the 2026 NHL Draft.
March 10 — Acquired forward Jack Dugan from the New Jersey Devils in exchange for defenseman Zack Hayes.