Insider sale

FIRST INTERSTATE BANCSYSTEM INC

$2.46M

69.40K shares

What this filing means

JONATHAN SCOTT AS TRUSTEE OF THE JONATHAN R SCOTT TRUST DATED AS OF 4/21/04 plans to sell 69.40K shares of FIRST INTERSTATE BANCSYSTEM INC valued at approximately $2.46M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

JONATHAN SCOTT AS TRUSTEE OF THE JONATHAN R SCOTT TRUST DATED AS OF 4/21/04

Filed: 4/30/2026ACC: 0001958244-26-000242

InsiderJONATHAN SCOTT AS TRUSTEE OF THE JONATHAN R SCOTT TRUST DATED AS OF 4/21/04CIK 1908962

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IssuerFIRST INTERSTATE BANCSYSTEM INCCIK 860413

10% Owner

Since Feb 2021

69.40K

Shares to sell

$2.46M

Approx. market value

66.40K

Acquired (3 months)

Planned

1 completed

Securities Acquired — Last 3 Months10

Sort

Acquired as compensation -- Restricted Stock Units

Compensation

6/1/2025

3.01K

Acquired as compensation -- Restricted Stock Units

Compensation

6/1/2025

565.00

Acquired as compensation -- Restricted Stock Units

Compensation

6/1/2024

3.40K

Acquired as compensation -- Restricted Stock Units

Compensation

6/1/2024

1.13K

Acquired as compensation -- Restricted Stock Awards

Compensation

6/1/2022

513.00

Gift

None

Gift

6/20/2020

52.99K

Acquired as compensation -- Restricted Stock Units

Compensation

6/1/2020

2.08K

Acquired as a gift

None

Gift

3/15/2020

Acquired as compensation -- Restricted Stock Units

Compensation

6/1/2018

859.00

Acquired as a gift

None

Gift

11/3/1983

840.00

Total acquired66.40K

Acquisition Date	Type	Amount Acquired	Gift
6/1/2025	Acquired as compensation -- Restricted Stock Units Compensation	3.01K	—
6/1/2025	Acquired as compensation -- Restricted Stock Units Compensation	565.00	—
6/1/2024	Acquired as compensation -- Restricted Stock Units Compensation	3.40K	—
6/1/2024	Acquired as compensation -- Restricted Stock Units Compensation	1.13K	—
6/1/2022	Acquired as compensation -- Restricted Stock Awards Compensation	513.00	—
6/20/2020	Gift None	52.99K	Gift
6/1/2020	Acquired as compensation -- Restricted Stock Units Compensation	2.08K	—
3/15/2020	Acquired as a gift None	1K	Gift
6/1/2018	Acquired as compensation -- Restricted Stock Units Compensation	859.00	—
11/3/1983	Acquired as a gift None	840.00	Gift
Total		66.40K

Planned & Completed Dispositions2

Sort

Completed

—Completed

Units to sell

Market value

$100.3K

3/26/2026

Planned — Approximate Date

NASDPlanned

Units to sell

66.40K

Market value

$2.36M

4/30/2026

Total

Units

69.40K

Value

$2.46M

Date	Units to Sell	Approx. Market Value	Exchange	Status
Completed
3/26/2026	3K	$100.3K	—	Completed
Planned — Approximate Date
4/30/2026	66.40K	$2.36M	NASD	Planned
Total	69.40K	$2.46M