| Trans Num | Date | Details |
| 1940.4 | 2025-09-26 | Mannheim Steamrollers trade Ray Starr to the Cooperstown Giants for Luke Hamlin and Vito Tamulis. |
| 1938.2 | 2025-07-04 | Cooperstown Giants trade Bill Lee, Earl Averill, and Lefty Grove to the Homestead Grays for Al Hollingsworth, Al Milnar, Chet Laabs, Luke Hamlin, and HOM 1939 #1. |