Security National Bank
| Status: | Inactive as of 04/19/1990 |
| Absorption - Assisted | |
| Successor Bank: | Elgin Bank of Texas |
| Headquarters: | Security National Bank 1212 Highway 290 Elgin, TX 78621 |
| Established: | 01/03/1984 |
| FDIC Insurance: | 01/03/1984 |
| FDIC Cert: | #24915 |
| Charter Class: | Commercial bank, national (federal) charter and Fed member, supervised by the Office of the Comptroller of the Currency (OCC) |
| Total Assets: | $10,839,000 |
| Total Deposits: | $10,710,000 |
History
| 1984-01-03 | Institution established: Original name:Security National Bank | |
| 1990-04-19 | Failed. Acquired with government financial assistance and subsequently operated as part of Elgin Bank of Texas (3185) | |
| 2005-07-15 | Merged into and subsequently operated as part of Franklin Bank, S.S.B. (26870) in HOUSTON, TX | |
| 2007-05-08 | Change trust powers from TRUST POWERS NOT GRANTED to FULL TRUST POWERS GRANTED | |
| 2007-05-08 | Acquired The First National Bank of Bryan (3119) in BRYAN, TX | |
| 2008-11-07 | Failed. Acquired with government financial assistance and subsequently operated as part of Prosperity Bank (16835) | |
| 2012-01-01 | Acquired Bank of Texas (11942) in AUSTIN, TX | |
| 2012-04-01 | Acquired The Bank Arlington (58333) in ARLINGTON, TX | |
| 2012-07-01 | Acquired American State Bank (16701) in LUBBOCK, TX | |
| 2012-10-01 | Acquired Community National Bank (57345) in BELLAIRE, TX | |
| 2013-01-01 | Acquired First Federal Bank Texas (30048) in TYLER, TX | |
| 2013-04-01 | Acquired Coppermark Bank (18957) in OKLAHOMA CITY, OK | |
| 2013-11-01 | Acquired First Victoria National Bank (5570) in VICTORIA, TX | |
| 2014-04-01 | Acquired The F&M Bank & Trust Company (16390) in TULSA, OK | |
| 2016-01-01 | Acquired Tradition Bank - Bellaire (23032) in HOUSTON, TX | |
| 2019-11-01 | Acquired LegacyTexas Bank (58006) in PLANO, TX |