TrustBank, History
The following are major historical events for TrustBank, including mergers and acquisitions.
| 1912-09-13 | Institution established: Original name:Olney Trust and Banking Company | |
| 1983-03-10 | Changed name to Olney Trust Bank | |
| 1999-04-01 | Changed name to TrustBank | |
| 2000-08-18 | Acquired Cisne State Bank (11313) in CISNE, IL | |
| 2022-03-14 | Acquired TNB BankTrustBank (938) in TUSCOLA, IL. |