| Trans Num | Date | Details |
| 1933.9 | 2025-01-22 | Cooperstown Giants trade Heinie Meine and Russ Van Atta to the Homestead Grays for Jumbo Brown, Mark Koenig, and HOM 1934 #3. |
| 1925.9 | 2023-12-28 | Holyoke Purple Knights trade Eddie Rommel, George Kelly, Mark Koenig, Phil Todt, and Sparky Adams to the Homestead Grays for Eddie Collins, Jack Fournier, Lenny Metz, and Sam Gray. |