| Elizabeth Lauren Scott Rose Trust +8 co-filers10% owner · 13 transactions | — | 11.87M†as of Sep 2023 | — | — | 230.5K |
| Jeremy Scott TTEE, Jeremy Scott Revocable Trust Dtd 6/25/15 +2 co-filers10% owner, Director, 10% owner · 6 transactions | — | 10.76M† | — | — | — |
| Harper Grace Scott Trust +5 co-filers10% owner · 35 transactions | — | 9.15M† | 8.1K | — | 415.2K |
| Scott JeremyDirector, 10% owner · 4 transactions | — | 7.03M† | 2.2K | — | — |
| Foundation for Community Vitality +6 co-filers10% owner · 4 transactions | — | 6.97M† | — | — | — |
| Homer Scott Jr Trust, Homer Scott Jr. & First Interstate Wealth Management Co Trustees +2 co-filers10% owner · 5 transactions | — | 5.96M†as of Sep 2023 | — | — | — |
| Foundation for Community Vitality +6 co-filers10% owner, Director, 10% owner · 21 transactions | — | 4.41M†as of Dec 2024 | 10.3K | — | 6.2K |
| Heyneman John M Jr +4 co-filersDirector, 10% owner, 10% owner · 18 transactions | — | 4.35M† | 10.9K | — | 45.4K |
| Jeremy Scott TTEE, Jeremy Scott Revocable Trust Dtd 6/25/15 +2 co-filers10% owner, Director, 10% owner · 2 transactions | — | 3.49M†as of Jun 2025 | 2.9K | — | — |
| Harper Grace Scott Trust +4 co-filers10% owner, Director, 10% owner · 7 transactions | — | 3.05M†as of Jun 2022 | 1.6K | — | 22.9K |
| Elizabeth Lauren Scott Rose Trust +8 co-filers10% owner · 1 transaction | — | 2.94M†as of Mar 2022 | — | — | — |
| Exempt Thomas W Scott Marital Trust 2 +3 co-filers10% owner · 1 transaction | — | 2.94M†as of Mar 2022 | — | — | — |
| Elizabeth Lauren Scott Rose Trust +8 co-filers10% owner · 2 transactions | — | 2.92M†as of Mar 2022 | — | — | 12.8K |
| Elizabeth Lauren Scott Rose Trust +9 co-filers10% owner · 5 transactions | — | 2.38Mas of Jun 2023 | — | — | 288.0K |
| Elizabeth Lauren Scott Rose Trust +7 co-filers10% owner · 3 transactions | — | 2.31M†as of Dec 2023 | — | — | 33.4K |
| Scott James RDirector, 10% owner · 6 transactions | -0.4% | 2.11M†as of Dec 2021 | — | — | — |
| Scott James R. JrDirector, 10% owner · 1 transaction | — | 2.03M† | 2.2K | — | — |
| Scott Homer A Jr10% owner · 3 transactions | -0.7% | 2.01M†as of Feb 2022 | — | — | — |
| Heyneman John M JrDirector, 10% owner · 10 transactions | — | 1.50M† | 2.2K | — | 35.2K |
| Scott Jonathan RDirector, 10% owner · 1 transaction | — | 1.39M†as of Mar 2022 | — | — | — |
| Heyneman Susan Scott +1 co-filer10% owner · 2 transactions | — | 1.29M†as of Jul 2022 | — | — | — |
| Homer Scott Jr Trust, Homer Scott Jr. & First Interstate Wealth Management Co Trustees10% owner · 1 transaction | — | 950.8Kas of Dec 2023 | — | — | 1.00M |
| Elizabeth Lauren Scott Rose Trust +6 co-filers10% owner · 3 transactions | — | 830.0Kas of May 2024 | — | — | 164.0K |
| Elizabeth Lauren Scott Rose Trust +4 co-filers10% owner · 9 transactions | — | 493.4K | — | — | 387.7K |
| Risa K Scott TTEE Risa K Scott Trust Dtd 12/4/15 +2 co-filers10% owner · 1 transaction | — | 486.6K†as of Mar 2022 | — | — | — |
| Scott Geoffrey D10% owner · 4 transactions | — | 467.3K† | — | — | — |
| Riley Kevin PPresident & CEO, Director · 70 transactions | — | 395.0K†as of Aug 2024 | 110.8K | 43.2K | 9.8K |
| First Interstate Bank TTEE for Dana S Andersson GST Exempt Trust No 1 Dtd 12/11/2020 +2 co-filers10% owner, Director, 10% owner · 14 transactions | — | 307.8K†as of Jun 2025 | 5.0K | — | 30.0K |
| Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees10% owner · 9 transactions | — | 224.5K | — | — | 150.0K |
| Reuter James APresident and CEO, Director · 4 transactions | — | 86.9K | 92.0K | — | — |
| Risa K Scott Grantor Retained Annuity Trust Dtd 5/19/24 +3 co-filers10% owner · 2 transactions | — | 72.0K | — | — | — |
| Mutch Marcy DExec. Vice Pres. & CFO · 15 transactions | — | 71.2K†as of Mar 2025 | 38.5K | 5.0K | — |
| Henning Thomas EdwardDirector · 5 transactions | — | 51.1K†as of Jun 2024 | 27.1K | — | — |
| Knieriem Karlyn MEVP, Chief Risk Officer · 10 transactions | — | 45.9K†as of Mar 2024 | 30.1K | — | 2.9K |
| Jensen Kirk DGeneral Counsel · 24 transactions | — | 35.0K | 26.8K | 1.0K | — |
| Jahnke David LDirector · 4 transactions | — | 31.5Kas of Jun 2025 | 14.5K | — | — |
| Rykhus Daniel ADirector · 7 transactions | — | 31.4K | 31.4K | — | — |
| Della Camera DavidChief Financial Officer · 3 transactions | — | 30.0K | 9.6K | — | — |
| Grieb Frances PallasDirector · 6 transactions | — | 29.7K†as of Jun 2024 | 29.7K | — | — |
| Kanning Jolyn M.Chief Risk Officer · 1 transaction | — | 27.1K† | 2.2K | — | — |
| Erkonen Scott EdwardEVP, Chief Information Officer · 6 transactions | — | 24.2K†as of May 2023 | 13.9K | — | — |
| Bowman BiffDirector · 5 transactions | — | 24.0K | 22.0K | — | — |
| Moss Patricia LDirector · 4 transactions | — | 23.2K†as of Jun 2025 | 10.9K | — | — |
| Lacy Stephen MarkDirector · 6 transactions | — | 22.8Kas of Jun 2025 | 22.8K | — | — |
| Asker Lorrie FChief Banking Officer · 12 transactions | — | 20.8Kas of Mar 2025 | 15.2K | — | 1.9K |
| Hubbell Jodi DelahuntChief Operating Officer · 5 transactions | +40.3% | 20.7Kas of Mar 2022 | 5.4K | — | — |
| Johnson Dennis LDirector · 5 transactions | — | 19.5K | 13.2K | — | — |
| Robbins KristinaEVP, Chief Operations Officer · 21 transactions | — | 18.9K | 21.6K | — | 2.7K |
| Meyer LoriEVP, Chief Information Officer · 12 transactions | — | 17.7K† | 12.8K | — | — |
| Boschee Ryan J.Chief Credit Officer · 1 transaction | — | 16.8K | 2.2K | — | — |
| Cho Alice SDirector · 5 transactions | — | 15.8K | 13.2K | — | — |
| Phillips Joyce AnnDirector · 5 transactions | — | 14.6K | 13.2K | — | — |
| Asker LorrieChief Banking Officer · 8 transactions | — | 14.2K†as of May 2023 | 7.1K | — | — |
| Shepler Christopher L.Chief Banking Officer · 4 transactions | — | 13.2K | 13.2K | — | — |
| Brannen JamesDirector · 5 transactions | — | 11.8Kas of Jun 2023 | 21.1K | — | 9.3K |
| Leckie Ross E.Director · 5 transactions | +100.9% | 9.7Kas of Jun 2022 | 2.9K | 2.0K | — |
| Lee Russell AEVP & Chief Banking Officer · 3 transactions | -22.5% | 8.8K†as of Nov 2022 | 1.4K | — | 3.9K |
| Hayslip AshleyEVP, Chief Banking Officer · 1 transaction | — | 4.5Kas of Nov 2022 | 4.5K | — | — |
| Scudder Michael LDirector · 2 transactions | — | 4.1K | 4.1K | — | — |
| Agrawal RenuDirector · 2 transactions | — | 4.1K | 4.1K | — | — |
| Jones Nathan RChief Risk Officer · 1 transaction | — | 3.8K | 3.8K | — | — |
| Gaglia Philip GChief Risk Officer · 9 transactions | -70.5% | 2.8K†as of May 2022 | 1.2K | — | 6.3K |