The Security Bank
| Status: | Inactive as of 07/14/1988 |
| Absorption - Assisted | |
| Successor Bank: | Armstrong Bank |
| Headquarters: | The Security Bank 810 North Campbell Street Warner, OK 74469 |
| Established: | 06/02/1969 |
| FDIC Insurance: | 06/02/1969 |
| FDIC Cert: | #19965 |
| Charter Class: | Commercial bank, state charter and Fed nonmember, supervised by the FDIC |
| Total Assets: | $9,370,000 |
| Total Deposits: | $9,397,000 |
History
| 1969-06-02 | Institution established: Original name:The Security Bank | |
| 1988-07-14 | Failed. Acquired with government financial assistance and subsequently operated as part of Vian State Bank (2315) | |
| 1991-07-19 | Acquired Sequoyah State Bank of Muldrow (20312) in MULDROW, OK | |
| 1994-07-01 | Acquired Lake Country Bank (12289) in WEBBERS FALLS, OK | |
| 1996-04-22 | Changed name to Armstrong Bank (2315) | |
| 1999-07-08 | Moved bank headquarters from WARNER, OK to CHECOTAH, OK | |
| 2001-03-16 | Moved bank headquarters from CHECOTAH, OK to MUSKOGEE, OK | |
| 2015-05-23 | Acquired Benefit Bank (35281) in FORT SMITH, AR | |
| 2019-11-20 | Change trust powers from TRUST POWERS NOT GRANTED to FULL TRUST POWERS GRANTED | |
| 2020-03-21 | Acquired Republic Bank & Trust (27286) in NORMAN, OK |