Hap Emms trades
| New York Americans acquire | Date | Detroit Red Wings acquire | ||
|---|---|---|---|---|
 | John Sorrell | December 13, 1938 | Hap Emms |  |
| Boston Bruins acquire | Date | New York Americans acquire | ||
|---|---|---|---|---|
 | Walter Jackson | December 14, 1934 | Hap Emms | |
| Orville Heximer | ||||
| Detroit Falcons acquire | Date | New York Americans acquire | ||
|---|---|---|---|---|
 | Frank Carson | December 29, 1931 | Tom Filmore | |
| Hap Emms | Bert McInenly | |||
| New York Americans acquire | Date | Montreal Maroons acquire | ||
|---|---|---|---|---|
| Frank Carson | May 14, 1930 | $35K cash |  |
| Red Dutton | ||||
| Hap Emms | ||||
| Mike Neville | ||||