Security Bank of Three Forks
| Status: | Inactive as of 11/06/2000 |
| Merger - Without Assistance | |
| Successor Bank: | First Security Bank |
| Headquarters: | Security Bank of Three Forks 320 South Main Street Three Forks, MT 59752 |
| Established: | 11/14/1960 |
| FDIC Insurance: | 11/14/1960 |
| FDIC Cert: | #18310 |
| Charter Class: | Commercial bank, state charter and Fed nonmember, supervised by the FDIC |
| Total Assets: | $17,950,000 |
| Total Deposits: | $14,199,000 |
History
| 1960-11-14 | Institution established: Original name:Security Bank of Three Forks | |
| 2000-11-06 | Merged into and subsequently operated as part of First Security Bank (1520) in BOZEMAN, 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 |