Oklahoma State Bank
| Status: | Inactive as of 11/05/1999 |
| Merger - Without Assistance | |
| Successor Bank: | First United Bank and Trust Company |
| Headquarters: | Oklahoma State Bank 221 West 12th Street Ada, OK 74820 |
| Established: | 12/15/1903 |
| FDIC Insurance: | 01/01/1934 |
| FDIC Cert: | #6010 |
| Charter Class: | Commercial bank, state charter and Fed nonmember, supervised by the FDIC |
| Total Assets: | $102,303,000 |
| Total Deposits: | $80,316,000 |
History
| 1903-12-15 | Institution established: Original name:Oklahoma State Bank | |
| 1999-11-05 | Merged into and subsequently operated as part of First United Bank and Trust Company (4239) in DURANT, OK | |
| 2000-12-30 | Acquired First United Bank (17499) in SAPULPA, OK | |
| 2005-03-25 | Acquired Farmers & Merchants State Bank of Krum (16674) in KRUM, TX | |
| 2005-12-09 | Acquired Southwestern Bank (19181) in OKLAHOMA CITY, OK | |
| 2015-02-14 | Acquired First American Bank (15296) in PURCELL, OK | |
| 2016-11-10 | Acquired American Bank of Texas (20473) in SHERMAN, TX |