The Madill Bank and Trust Company
| Status: | Inactive as of 03/20/1987 |
| Absorption - Assisted | |
| Successor Bank: | Landmark Bank Company |
| Headquarters: | The Madill Bank and Trust Company 128 Plaza Madill, OK 73446 |
| Established: | 06/07/1902 |
| FDIC Insurance: | 01/01/1934 |
| FDIC Cert: | #4243 |
| Charter Class: | Commercial bank, state charter and Fed nonmember, supervised by the FDIC |
| Total Assets: | $39,630,000 |
| Total Deposits: | $39,050,000 |
History
| 1902-06-07 | Institution established: Original name:The Madill Bank and Trust Company | |
| 1987-03-20 | Failed. Acquired with government financial assistance and subsequently operated as part of First American National Bank (12288) | |
| 1988-01-01 | Changed name to The Bank of Southern Oklahoma, National Association and Trust Company (12288) | |
| 1991-12-31 | Change trust powers from FULL TRUST POWERS GRANTED to TRUST POWERS TERMINATED | |
| 1992-02-13 | Changed name to The Bank of Southern Oklahoma, National Association (12288) | |
| 1997-02-21 | Changed name to Landmark Bank Company, National Association (12288) | |
| 1998-11-09 | Moved bank headquarters from MADILL, OK to ARDMORE, OK | |
| 2000-08-25 | Merged into and subsequently operated as part of Landmark Bank, National Association (34498) in ADA, OK | |
| 2004-08-27 | Acquired Landmark Bank, National Association (3273) in DENISON, TX | |
| 2009-04-24 | Merged into and subsequently operated as part of Landmark Bank, National Association (4537) in COLUMBIA, MO | |
| 2009-04-24 | Changed name to Landmark Bank, National Association (4537) | |
| 2009-04-24 | Acquired First National Bank (12216) in MOUNTAIN VIEW, MO | |
| 2012-05-12 | Acquired Bank of Birch Tree (8278) in BIRCH TREE, MO | |
| 2017-12-29 | Changed institution class to INSURED COMMERCIAL BANKS, STATE, NOT MEMBERS OF THE FRS | |
| 2017-12-29 | Changed name to Landmark Bank (4537) | |
| 2017-12-29 | Changed primary regulatory agency from COMPTROLLER OF THE CURRENCY to FEDERAL DEPOSIT INSURANCE CORPORATION | |
| 2020-02-15 | Merged into and subsequently operated as part of Simmons Bank (3890) in PINE BLUFF, AR |