Dec 30, 2018

• The Chicago Blackhawks acquired F Drake Caggiula and D Jason Garrison from Edmonton for Ds Brandon Manning and Robin Norell.
• The Edmonton Oilers traded D Chris Wideman and a conditional 2019 third-round draft pick to Florida for D Alexander Petrovic.

Dec 28, 2018

• The Arizona Coyotes acquired F Giovanni Fiore from Anaheim for D Trevor Murphy.

Dec 27, 2018

• The Pittsburgh Penguins re-signed F Jake Guentzel to a five-year extension through the 2023-24 season.

Dec 19, 2018

• The Tampa Bay Lightning signed C Gabriel Fortier to a three-year, entry-level contract.

Dec 17, 2018

• The Philadelphia Flyers fired coach Dave Hakstol. Named Scott Gordon interim coach.

Dec 15, 2018

• The Buffalo Sabres suspended F Patrick Berglund indefinitely for failing to report.
• The St. Louis Blues signed D Robert Bortuzzo to a three-year contract extension.

Dec 11, 2018

• The Anaheim Ducks claimed G Chad Johnson off waivers from St. Louis.

Dec 10, 2018

• The Anaheim Ducks acquired RW Adam Cracknell from Toronto for D Steven Oleksy.
• The Arizona Coyotes signed F Nathan Schnarr to an entry-level contract.
• The St. Louis Blues waived G Chad Johnson.

Dec 8, 2018

• The Anaheim Ducks signed general manager Bob Murray to a two-year contract extension through the 2021-22 season.

Dec 5, 2018

• The Ottawa Senators acquired D Stefan Elliott and F Tobias Lindberg from the Pittsburgh Penguins for D Macoy Erkamps and F Ben Sexton.

Dec 3, 2018

• The Los Angeles Kings claimed LW Brendan Leipsic off waivers from Vancouver.
• The Philadelphia Flyers named Chuck Fletcher general manager.
• The Pittsburgh Penguins traded F Daniel Sprong to Anaheim for D Marcus Petterson.
• The Toronto Maple Leafs traded F Josh Leivo to Vancouver for F Michael Carcone.

Dec 2, 2018

• The Los Angeles Kings claimed RW Nikita Scherbak off waivers from Montreal.