FIBK director granted 2,247 restricted stock units

SCUDDER MICHAEL L reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

SCUDDER MICHAEL L reported acquisition or exercise transactions in this Form 4 filing.

FIRST INTERSTATE BANCSYSTEM INC director Michael L. Scudder received an equity award of 2,247 shares of Common Stock in the form of restricted stock units. The award was granted at no cash cost per share and increased his directly held position to 4,126 shares.

The restricted stock units were granted under the company’s 2023 Equity and Incentive Plan and are scheduled to vest on June 1, 2027. Vesting is conditioned on Scudder providing continuous service to the company through the earlier of the vesting date or the company’s next annual shareholder meeting.

Insider Trade Summary

Grant/Award: 2,247 shares

Grant/Award 1 txn

Insider SCUDDER MICHAEL L

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,247	$0.00	$0.00

Holdings After Transaction: Common Stock — 4,126 shares (Direct)

Footnotes (1)

1. F1. Shares issuable upon vesting of restricted stock units granted to the reporting person pursuant to the Registrant's 2023 Equity and Incentive Plan. The restricted stock units vest on June 1, 2027, subject to the reporting persons provision of continuous service to the Registrant through the earlier of the applicable vesting date or the date of the Registrant's next annual shareholder meeting.

Key Figures

RSUs granted: 2,247 shares Grant price: $0.0000 per share Shares after transaction: 4,126 shares +1 more

4 metrics

RSUs granted 2,247 shares Restricted stock units of Common Stock granted to director

Grant price $0.0000 per share Reported price per share for the RSU award

Shares after transaction 4,126 shares Total directly held Common Stock following the grant

Vesting date June 1, 2027 Scheduled vesting date for the restricted stock units

Key Terms

restricted stock units, 2023 Equity and Incentive Plan, vesting

3 terms

restricted stock units financial

"Shares issuable upon vesting of restricted stock units granted to the reporting person"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

2023 Equity and Incentive Plan financial

"granted to the reporting person pursuant to the Registrant's 2023 Equity and Incentive Plan"

vesting financial

"The restricted stock units vest on June 1, 2027, subject to the reporting persons provision of continuous service"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did FIRST INTERSTATE BANCSYSTEM (FIBK) report for Michael L. Scudder?

FIRST INTERSTATE BANCSYSTEM reported that director Michael L. Scudder received an award of 2,247 restricted stock units of Common Stock. This was a compensation-related equity grant, not an open-market purchase or sale, and reflects additional stock-based incentives rather than a cash transaction.

How many FIRST INTERSTATE BANCSYSTEM (FIBK) shares does Michael L. Scudder hold after this Form 4 transaction?

After the equity award, Michael L. Scudder directly holds 4,126 shares of FIRST INTERSTATE BANCSYSTEM Common Stock. This total includes the newly granted 2,247 restricted stock units, which are subject to future vesting conditions tied to his continued service with the company.

When do Michael L. Scudder’s restricted stock units in FIRST INTERSTATE BANCSYSTEM (FIBK) vest?

The 2,247 restricted stock units are scheduled to vest on June 1, 2027. Vesting requires Scudder to provide continuous service to FIRST INTERSTATE BANCSYSTEM through the earlier of that vesting date or the date of the company’s next annual shareholder meeting.

Was cash paid for the restricted stock units reported in FIRST INTERSTATE BANCSYSTEM (FIBK) Form 4?

No cash was paid per share for this equity award; the Form 4 shows a price of 0.0000 per share. The transaction reflects a grant of restricted stock units as part of compensation, under the company’s 2023 Equity and Incentive Plan.

Under which plan were the FIRST INTERSTATE BANCSYSTEM (FIBK) restricted stock units granted to Michael L. Scudder?

The restricted stock units were granted pursuant to FIRST INTERSTATE BANCSYSTEM’s 2023 Equity and Incentive Plan. This plan provides stock-based compensation, and the units awarded to Scudder vest based on his continued service with the company until a specified date or meeting.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/03/2026 - 01:50 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

SCUDDER MICHAEL L

(Last) (First) (Middle)

401 N. 31ST ST

P.O. BOX 30918

(Street)

BILLINGS MONTANA 59116

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
FIRST INTERSTATE BANCSYSTEM INC [ FIBK ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/01/2026		A		2,247(1)	A	$0	4,126	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Shares issuable upon vesting of restricted stock units granted to the reporting person pursuant to the Registrant's 2023 Equity and Incentive Plan. The restricted stock units vest on June 1, 2027, subject to the reporting persons provision of continuous service to the Registrant through the earlier of the applicable vesting date or the date of the Registrant's next annual shareholder meeting.

Remarks:

	/s/ Kirk D. Jensen, as attorney in fact for reporting person	06/03/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)