Art Gagne trades
| Boston Bruins acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | cash | December 21, 1929 | Art Gagne |  |
| Boston Bruins acquire | Date | Montreal Canadiens acquire | ||
|---|---|---|---|---|
| Art Gagne | May 13, 1929 | cash |  |
| Montreal Canadiens acquire | Date | Chicago Blackhawks acquire | ||
|---|---|---|---|---|
| Art Gagne | October 18, 1926 | cash |  |
| Detroit Cougars acquire | Date | Chicago Blackhawks acquire | ||
|---|---|---|---|---|
 | rights to Art Duncan | October 18, 1926 | Gord Fraser | |
| Art Gagne | ||||