Des Smith trades
| Boston Bruins acquire | Date | Chicago Blackhawks acquire | ||
|---|---|---|---|---|
 | Des Smith | January 27, 1940 | Jack Portland |  |
| Montreal Canadiens acquire | Date | Chicago Blackhawks acquire | ||
|---|---|---|---|---|
 | cash | May 15, 1939 | Des Smith | |
| Montreal Maroons acquire | Date | Montreal Canadiens acquire | ||
|---|---|---|---|---|
 | cash | September 14, 1938 | Des Smith | |