Notable deals
| Philadelphia Flyers acquire | Date | Buffalo Sabres acquire | ||
|---|---|---|---|---|
 | Rasmus Ristolainen | July 23, 2021 | Robert Hagg |  |
| 2021 1st round pick | ||||
| 2023 2nd round pick | ||||
| St. Louis Blues acquire | Date | New York Rangers acquire | ||
|---|---|---|---|---|
 | Pavel Buchnevich | July 23, 2021 | Sammy Blais |  |
| 2022 2nd round pick | ||||
| Vancouver Canucks acquire | Date | Arizona Coyotes acquire | ||
|---|---|---|---|---|
 | Oliver Ekman-Larsson | July 23, 2021 | Antoine Roussel |  |
| Conor Garland | Jay Beagle | |||
| Loui Eriksson | ||||
| 2021 1st round pick | ||||
| 2022 2nd round pick | ||||
| 2023 7th round pick | ||||
| Chicago Blackhawks acquire | Date | Columbus Blue Jackets acquire | ||
|---|---|---|---|---|
 | Seth Jones | July 23, 2021 | Adam Boqvist |  |
| 2021 1st round pick | 2021 1st round pick | |||
| 2022 6th round pick | 2021 2nd round pick | |||
| 2022 1st round pick | ||||
| Columbus Blue Jackets acquire | Date | Carolina Hurricanes acquire | ||
|---|---|---|---|---|
| Jake Bean | July 23, 2021 | 2021 2nd round pick |  |
| Detroit Red Wings acquire | Date | Carolina Hurricanes acquire | ||
|---|---|---|---|---|
 | Alex Nedeljkovic | July 22, 2021 | Jonathan Bernier | |
| 2021 3rd round pick | ||||
| Arizona Coyotes acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Shayne Gostisbehere | July 22, 2021 | No return - simply a salary dump | |
| 2022 2nd round pick | ||||
| 2022 7th round pick | ||||
| Arizona Coyotes acquire | Date | Philadelphia Flyers acquire | ||
|---|---|---|---|---|
| Shayne Gostisbehere | July 22, 2021 | No return - simply a salary dump | |
| 2022 2nd round pick | ||||
| 2022 7th round pick | ||||
| Calgary Flames acquire | Date | Seattle Kraken acquire | ||
|---|---|---|---|---|
 | Tyler Pitlick | July 22, 2021 | 2022 4th round pick |  |
| New York Rangers acquire | Date | Tampa Bay Lightning acquire | ||
|---|---|---|---|---|
| Barclay Goodrow | July 17, 2021 | 2022 7th round pick |  |
| Philadelphia Flyers acquire | Date | Nashville Predators acquire | ||
|---|---|---|---|---|
| Ryan Ellis | July 17, 2021 | Philippe Myers |  |
| Nolan Patrick | ||||
| Nashville Predators acquire | Date | Vegas Golden Knights acquire | ||
|---|---|---|---|---|
| Cody Glass | July 17, 2021 | Nolan Patrick |  |
| Toronto Maple Leafs acquire | Date | Pittsburgh Penguins acquire | ||
|---|---|---|---|---|
 | Jared McCann | July 17, 2021 | Filip Hallander |  |
| 2023 7th round pick | ||||
| Vancouver Canucks acquire | Date | Dallas Stars acquire | ||
|---|---|---|---|---|
| Jason Dickinson | July 17, 2021 | 2021 3rd round pick |  |
| San Jose Sharks acquire | Date | Arizona Coyotes acquire | ||
|---|---|---|---|---|
 | Adin Hill | July 17, 2021 | 2022 2nd round pick | |
| Josef Korenar | ||||
| Detroit Red Wings acquire | Date | New York Islanders acquire | ||
|---|---|---|---|---|
| Nick Leddy | July 16, 2021 | Richard Panik |  |
| 2021 2nd round pick | ||||
| New Jersey Devils acquire | Date | Colorado Avalanche acquire | ||
|---|---|---|---|---|
 | Ryan Graves | July 15, 2021 | Mikhail Maltsev |  |
| 2021 2nd round pick | ||||
| Edmonton Oilers acquire | Date | Chicago Blackhawks acquire | ||
|---|---|---|---|---|
 | Duncan Keith | July 12, 2021 | Caleb Jones | |
| Tim Soderlund | 2022 conditional 3rd round pick | |||
| Comment: The conditional third-round pick becomes a second-round pick if Edmonton wins three rounds in the 2022 Stanley Cup playoffs and Keith is among the top four Edmonton defensemen in total ice time through those rounds. | ||||
| Los Angeles Kings acquire | Date | Nashville Predators acquire | ||
|---|---|---|---|---|
 | Viktor Arvidsson | July 1, 2021 | 2021 2nd round pick | |
| 2022 3rd round pick | ||||
| Nashville Predators acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
| Erik Gudbranson | April 12, 2021 | Brandon Fortunato |  |
| 2023 7th round pick | ||||