First Interstate: Scott gifts 6,990 shares

The reported post-transaction position is 2,038,296 shares, while the reporting persons disclaim beneficial ownership except to the extent of their pecuniary interests.

Rhea-AI Filing Summary

First Interstate BancSystem Inc. (FIBK) reporting persons James R. Scott and James R Scott Trust, James R Scott & First Interstate Wealth Management Co-TTEEs, each identified as a ten-percent owner, reported an indirect bona fide gift transfer of 6,990 shares on October 5, 2026. The reported resulting position was 2,038,296 shares. The reported holdings composition included 1,982,892 shares held of record by the trust, 14,534 shares held in Scott’s 401(k) plan, and 40,870 shares held of record by Scott’s spouse. The reporting persons disclaim beneficial ownership except to the extent of their pecuniary interest.

Insider Trade Summary

6,990 shares gifted

Gift 1 txn

Insider SCOTT JAMES R, James R Scott Trust, James R Scott & First Interstate Wealth Management Co-TTEEs

Role 10% Owner | 10% Owner

Type	Security	Shares	Price	Value
Gift	Common Stock F1, F2	6,990	$0.00	$0.00

Holdings After Transaction: Common Stock — 2,038,296 shares (Indirect, See Footnote)

Footnotes (2)

1. F1. Composed of 1,982,892 shares held of record by James R Scott Trust, James R Scott & First Interstate Wealth Management Co-TTEEs, 14,534 shares held of record by James R Scott's 401(k) plan, and 40,870 shares held of record by James R. Scott's spouse.
2. F2. As a result of agreements entered into among the reporting persons, the issuer, and other stockholders of the issuer signatory thereto, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported therein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of his or its pecuniary interest therein. The reporting persons expect to file future Forms 4 or 5, if any, together with James R. Scott with the indication of direct or indirect ownership in Tables I and II being made from James R. Scott's perspective, unless expressly noted otherwise by footnote.

Key Figures

Shares transferred as a gift: 6,990 shares Reported resulting position: 2,038,296 shares Shares held of record by the trust: 1,982,892 shares +2 more

5 metrics

Shares transferred as a gift 6,990 shares October 5, 2026

Reported resulting position 2,038,296 shares Following the gift transfer

Shares held of record by the trust 1,982,892 shares Reported holdings composition

Shares held in Scott's 401(k) plan 14,534 shares Reported holdings composition

Shares held of record by Scott's spouse 40,870 shares Reported holdings composition

Key Terms

Bona fide gift, beneficial ownership, pecuniary interest

3 terms

Bona fide gift regulatory

"Bona fide gift"

A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.

beneficial ownership regulatory

"disclaims beneficial ownership"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

pecuniary interest financial

"except to the extent of his or its pecuniary interest"

FAQ

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

How many FIBK shares were gifted?

James R. Scott and James R Scott Trust, James R Scott & First Interstate Wealth Management Co-TTEEs reported an indirect bona fide gift transfer of 6,990 shares of FIBK common stock on October 5, 2026. The reported resulting position was 2,038,296 shares.

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

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Available on EDGAR 10/06/2026 - 12:43 PM Accepted by SEC EDGAR 10/06/2026 - 12:43 PM 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^*

SCOTT JAMES R

(Last) (First) (Middle)

P O BOX 7113

(Street)

BILLINGS MONTANA 59103

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/05/2026

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

	Form filed by One Reporting Person
X	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	10/05/2026		G		6,990	D	$0	2,038,296	I	See Footnote(1)(2)

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

1. Name and Address of Reporting Person^*

SCOTT JAMES R

(Last) (First) (Middle)

P O BOX 7113

(Street)

BILLINGS MONTANA 59103

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

1. Name and Address of Reporting Person^*

James R Scott Trust, James R Scott & First Interstate Wealth Management Co-TTEEs

(Last) (First) (Middle)

P O BOX 7113

(Street)

BILLINGS MONTANA 59103

(City) (State) (Zip)

UNITED STATES

(Country)

Relationship of Reporting Person(s) to Issuer

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

Explanation of Responses:

1. Composed of 1,982,892 shares held of record by James R Scott Trust, James R Scott & First Interstate Wealth Management Co-TTEEs, 14,534 shares held of record by James R Scott's 401(k) plan, and 40,870 shares held of record by James R. Scott's spouse.

2. As a result of agreements entered into among the reporting persons, the issuer, and other stockholders of the issuer signatory thereto, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported therein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of his or its pecuniary interest therein. The reporting persons expect to file future Forms 4 or 5, if any, together with James R. Scott with the indication of direct or indirect ownership in Tables I and II being made from James R. Scott's perspective, unless expressly noted otherwise by footnote.

	JAMES R SCOTT, By: ++	10/06/2026
	James R Scott Trust, James R Scott & First Interstate Wealth Management Co-TTEEs, By: ++	10/06/2026
	++ /s/ Timothy Leuthold, Attorney-in-Fact for Reporting Person	10/06/2026
	** 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)