| Trans Num | Date | Details |
| 1924.4 | 2023-10-11 | Holyoke Purple Knights trade Bobby Veach, Ty Cobb, and Walter Johnson to the Cooperstown Giants for Hy Myers, Jeff Pfeffer, Phil Todt, Sammy Bohne, COO 1925 #1, and COO 1925 #2. |
| 1922.1 | 2023-06-18 | Homestead Grays trade Jeff Pfeffer and HOM 1922 #6 to the Cooperstown Giants for Larry Gardner. |