Dudediligence.

First Interstate BancSystem, Inc

FIBKNASDAQ · State Commercial Banks
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$8,272,390

14 notices · 239,712 sh

Oct 2025 to Oct 2026

Reported ·

$6,959,026

19 sales · 0 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

None of the 19 reported sales carry the 10b5-1 box. Together they are 0.22% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-09-11: Jonathan R. Scott Trust dtd 11/13/2004, Form 1442026-07-16: Jonathan R. Scott Trust dtd 11/13/2004, Form 1442026-06-18: JULIE SCOTT ROSE TRUST, Form 1442026-06-17: Jonathan R. Scott Trust dtd 11/13/2004, Form 1442026-04-30: Jonathan R. Scott Trust dtd 11/13/2004, Form 1442026-02-11: Asker Lorrie F, Form 1442026-02-03: QUINN T HEYNEMAN, Form 1442026-01-05: Jonathan R. Scott Trust dtd 11/13/2004, Form 1442025-11-21: JOHN HEYNEMAN JR, TRUST NON-MANAGED AGENCY, Form 1442025-11-11: BENCH RANCH LLC, Form 1442025-11-10: AWE' LLC, Form 1442025-11-03: JENNIFER R SCOTT TRUST, Form 1442025-10-29: Jonathan R. Scott Trust dtd 11/13/2004, Form 1442025-10-08: Scott Jonathan R, sold2025-10-09: Scott Jonathan R, sold2025-10-29: Scott Jonathan R, sold2025-11-03: Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees, sold2025-11-03: Scott Jonathan R, sold2025-11-10: HEYNEMAN JOHN M JR, sold2025-11-21: HEYNEMAN JOHN M JR, sold2025-12-01: Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees, sold2026-01-05: Scott Jonathan R, sold2026-03-26: Scott Jonathan R, sold2026-04-30: Scott Jonathan R, sold2026-06-04: Scott Jonathan R, sold2026-06-17: Scott Jonathan R, sold2026-06-18: Scott Jonathan R, sold2026-06-18: SCOTT JULIE A, sold
under a no plan named▼ salesize is dollars

Form 144 notices, newest first

2026-09-11Jonathan R. Scott Trust dtd 11/13/2004, Former Director$553,800
15,000 shno plan dateForm 4s on file end Jun 23144 ↗
2026-07-16Jonathan R. Scott Trust dtd 11/13/2004, Former Director$804,400
20,000 shno plan dateForm 4s on file end Jun 23144 ↗
2026-06-18JULIE SCOTT ROSE TRUST, Family Ownership$539,533
15,000 shno plan date144 ↗
Form 4, 2026-06-18: sold 15,000 at $35.97 Form 4 ↗
2026-06-17Jonathan R. Scott Trust dtd 11/13/2004, Former Director$495,040
13,890 shno plan date144 ↗
Form 4, 2026-06-18: sold 4,500 at $36.29 Form 4 ↗
2026-04-30Jonathan R. Scott Trust dtd 11/13/2004, Former Director$2,356,394
66,396 shno plan date144 ↗
Form 4, 2026-05-01: sold 53,504 at $35.42 Form 4 ↗
2026-02-11Asker Lorrie F, Chief Banking Officer$59,970
1,579 shno plan dateno Form 4 on file144 ↗
2026-02-03QUINN T HEYNEMAN, Director's son$23,142
615 shno plan dateno Form 4 on file144 ↗
2026-01-05Jonathan R. Scott Trust dtd 11/13/2004, Former Director$360,500
10,000 shno plan date144 ↗
Form 4, 2026-01-06: sold 5,000 at $36.46 Form 4 ↗
2025-11-21JOHN HEYNEMAN JR, TRUST NON-MANAGED AGENCY, 10% Owner$944,475
30,432 shno plan date144 ↗
Form 4, 2025-11-25: sold 30,432 at $31.03 Form 4 ↗
2025-11-11BENCH RANCH LLC, Director$482,169
15,000 shno plan dateno Form 4 on file144 ↗
2025-11-10AWE' LLC, Director$641,298
20,000 shno plan date144 ↗
Form 4, 2025-11-12: sold 35,000 at $32.09 Form 4 ↗
2025-11-03JENNIFER R SCOTT TRUST, 10% Stockholder$150,098
4,800 shno plan date144 ↗
Form 4, 2025-11-03: sold 4,800 at $31.27 Form 4 ↗
2025-10-29Jonathan R. Scott Trust dtd 11/13/2004, Former Director$224,770
7,000 shno plan date144 ↗
Form 4, 2025-10-29: sold 7,000 at $32.09 Form 4 ↗
2025-10-07Jonathan R. Scott Trust dtd 11/13/2004, Former Director$636,800
20,000 shno plan date144 ↗
Form 4, 2025-10-08: sold 19,315 at $32.07 Form 4 ↗