Western Security Bank
| Status: | Inactive as of 05/17/2001 |
| Merger - Without Assistance | |
| Successor Bank: | Western Security Bank |
| Headquarters: | Western Security Bank 100 East Broadway Missoula, MT 59806 |
| Established: | 01/01/1911 |
| FDIC Insurance: | 08/09/1989 |
| FDIC Cert: | #28280 |
| Charter Class: | Savings banks, state charter, supervised by the FDIC |
| Total Assets: | $916,606,000 |
| Total Deposits: | $617,715,000 |
History
| 1911-01-01 | Institution established: Original name:Western Federal Savings and Loan Association | |
| 1983-01-31 | Acquired Home Federal Savings and Loan Association (31007) in HELENA, MT | |
| 1985-10-31 | Changed name to Western Federal Savings and Loan Association of Montana | |
| 1988-12-31 | Acquired Great Falls Federal Savings and Loan Association (28164) in GREAT FALLS, MT | |
| 1988-12-31 | Changed name to Western Federal Savings Bank of Montana | |
| 1988-12-31 | Changed organization type to STOCK SAVINGS BANK | |
| 1989-08-31 | Changed organization type to MUTUAL SAVINGS BANK | |
| 1991-08-01 | Acquired First Federal Savings and Loan Association (29812) in BILLINGS, MT | |
| 1994-01-06 | Changed organization type to STOCK SAVINGS BANK | |
| 1997-02-28 | Acquired Security Bank, FSB (27973) in BILLINGS, MT | |
| 1998-02-02 | Changed name to Western Security Bank | |
| 2001-05-17 | Institution established: Original name:Western Security Bank (57248) | |
| 2001-05-17 | Merged into and subsequently operated as part of Western Security Bank (57248) in BILLINGS, MT | |
| 2007-01-27 | Acquired First Citizens Bank of Billings (19964) in BILLINGS, MT | |
| 2011-04-19 | Changed institution class to INSURED COMMERCIAL BANKS, STATE, NOT MEMBERS OF THE FRS | |
| 2011-04-19 | Changed primary regulatory agency from OFFICE OF THRIFT SUPERVISION to FEDERAL DEPOSIT INSURANCE CORPORATION | |
| 2012-04-30 | Acquired Mountain West Bank (33844) in COEUR D ALENE, ID | |
| 2012-04-30 | Acquired First Security Bank of Missoula (21010) in MISSOULA, MT | |
| 2012-04-30 | Acquired Big Sky Western Bank (32871) in BOZEMAN, MT | |
| 2012-04-30 | Acquired 1ST BANK (16522) in EVANSTON, WY | |
| 2012-04-30 | Acquired Western Security Bank (57248) in BILLINGS, MT | |
| 2012-04-30 | Acquired Valley Bank of Helena (22747) in HELENA, MT | |
| 2012-04-30 | Acquired Citizens Community Bank (34459) in POCATELLO, ID | |
| 2012-04-30 | Merged into and subsequently operated as part of Glacier Bank (30788) in KALISPELL, MT | |
| 2012-04-30 | Acquired First Bank of Montana (2191) in LEWISTOWN, MT | |
| 2012-04-30 | Acquired First Bank of Wyoming (2226) in POWELL, WY | |
| 2012-04-30 | Acquired Bank of the San Juans (34873) in DURANGO, CO | |
| 2013-06-01 | Acquired First State Bank (23318) in WHEATLAND, WY | |
| 2013-08-01 | Acquired North Cascades National Bank (26846) in CHELAN, WA | |
| 2014-08-31 | Acquired First National Bank of the Rockies (3041) in GRAND JUNCTION, CO | |
| 2015-02-28 | Acquired Community Bank, Inc. (1979) in RONAN, MT | |
| 2015-10-31 | Acquired Canon National Bank (21801) in CANON CITY, CO | |
| 2016-09-01 | Acquired Treasure State Bank (58454) in MISSOULA, MT | |
| 2017-05-01 | Acquired The Foothills Bank (34573) in YUMA, AZ | |
| 2018-01-31 | Acquired Collegiate Peaks Bank (26916) in BUENA VISTA, CO | |
| 2018-02-28 | Acquired First Security Bank (1520) in BOZEMAN, MT | |
| 2019-04-29 | Acquired The First National Bank of Layton (2260) in LAYTON, UT | |
| 2019-07-31 | Acquired Heritage Bank of Nevada (34072) in RENO, NV | |
| 2020-02-29 | Acquired State Bank of Arizona (33508) in LAKE HAVASU CITY, AZ |