First Security Bank
| Status: | Inactive as of 02/28/2018 |
| Merger - Without Assistance | |
| Successor Bank: | Glacier Bank |
| Headquarters: | First Security Bank 208 East Main Street Bozeman, MT 59715 |
| Established: | 10/19/1919 |
| FDIC Insurance: | 01/01/1934 |
| FDIC Cert: | #1520 |
| Charter Class: | Commercial bank, state charter and Fed nonmember, supervised by the FDIC |
| Total Assets: | $1,024,287,000 |
| Total Deposits: | $891,633,000 |
History
| 1919-10-19 | Institution established: Original name:Security Bank & Trust Company of Bozeman | |
| 1974-05-16 | Changed name to First Security Bank of Bozeman | |
| 1998-12-28 | Changed name to First Security Bank | |
| 1998-12-28 | Acquired First Security Bank of Belgrade (34268) in BELGRADE, MT | |
| 2000-11-06 | Acquired Security Bank of Three Forks (18310) in THREE FORKS, MT | |
| 2001-05-17 | Acquired 1st Security Bank of West Yellowstone, Montana (19593) in WEST YELLOWSTONE, MT | |
| 2002-10-25 | Acquired First State Bank of Fort Benton (1975) in FORT BENTON, MT | |
| 2016-10-29 | Acquired Teton Banks (364) in FAIRFIELD, MT | |
| 2018-02-28 | Merged into and subsequently operated as part of Glacier Bank (30788) in KALISPELL, 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 |