First Interstate BancSystem (NASDAQ: FIBK) 10% owner reports 1,350-share stock gift

Rhea-AI Filing Summary

First Interstate BancSystem Inc. (FIBK) reporting persons associated with ten percent owner Julie A. Scott reported a bona fide gift of 1,350 shares of common stock on July 27, 2026. Following the gift, 487,009 shares are reported as held indirectly.

These 487,009 shares consist of 206,866 shares held by the Julie A Scott Rose Trust dated 5-14-02, 35,233 shares by the Juliana Sarah Scott Rose Trust, 35,232 shares by the Elizabeth Lauren Scott Rose Trust, and 209,678 shares by IXL Limited Liability Company, over which Julie Scott-Rose shares voting and dispositive power with a sibling. Agreements among the reporting persons, the issuer, and other stockholders may cause them to be deemed a group sharing beneficial ownership, though they disclaim beneficial ownership except to the extent of their pecuniary interests.

Insider Trade Summary

Net Seller: 1,350 shares

Net Sell 1 txn

Insider SCOTT JULIE A, Julie A Scott Rose Trustee of the Julie A Scott Rose Trust Dated 5-14-2002, IXL Ltd Liability Co, Juliana Sarah Scott Rose Trust, Elizabeth Lauren Scott Rose Trust

Role 10% Owner | 10% Owner | 10% Owner | 10% Owner | 10% Owner

Type	Security	Shares	Price	Value
Gift	Common Stock F1, F2	1,350	$0.00	$0.00

Holdings After Transaction: Common Stock — 487,009 shares (Indirect, See Footnote)

Footnotes (2)

1. F1. Composed of 206,866 shares held of record by Julie A Scott-Rose Trustee of the Julie A Scott Rose Trust Dated 5-14-02, 35,233 shares held of record by Juliana Sarah Scott Rose Trust, 35,232 shares held of record by Elizabeth Lauren Scott Rose Trust, and 209,678 shares held by IXL Limited Liability Company, over which Ms. Rose has shared voting and dispositive power with a sibling.
2. F2. As a result of certain agreements entered into among the reporting persons, the Issuer, and other stockholders of the Issuer, 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 herein. The reporting persons disclaim beneficial ownership of any such securities, except to the extent of their pecuniary interests therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Julie Scott Rose with the indication of direct or indirect ownership in Table I and Table II being made from Julie Scott Rose's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons.

Key Figures

Shares gifted: 1,350 shares Shares held after transaction: 487,009 shares Julie A Scott Rose Trust holdings: 206,866 shares +3 more

6 metrics

Shares gifted 1,350 shares Bona fide gift of common stock on 2026-07-27

Shares held after transaction 487,009 shares Indirect holdings across trusts and an LLC after the gift

Julie A Scott Rose Trust holdings 206,866 shares Shares held of record by Julie A Scott Rose Trust dated 5-14-02

Juliana Sarah Scott Rose Trust holdings 35,233 shares Shares held of record by Juliana Sarah Scott Rose Trust

Elizabeth Lauren Scott Rose Trust holdings 35,232 shares Shares held of record by Elizabeth Lauren Scott Rose Trust

IXL Limited Liability Company holdings 209,678 shares Shares held by IXL Limited Liability Company with shared voting and dispositive power

Key Terms

bona fide gift, beneficial ownership, pecuniary interests, dispositive power

4 terms

bona fide gift regulatory

"Transaction code G is described as a 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

"may be deemed to share beneficial ownership of the securities"

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 interests regulatory

"disclaim beneficial ownership except to the extent of their pecuniary interests"

dispositive power regulatory

"over which Ms. Rose has shared voting and dispositive power with a sibling"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 07/28/2026 - 06:34 PM Accepted by SEC EDGAR 07/28/2026 - 06:34 PM Learn about SEC filing dates

FAQ

What insider transaction did FIBK reporting persons disclose in this Form 4?

They reported a bona fide gift of 1,350 shares of First Interstate BancSystem common stock on July 27, 2026. The transaction was coded "G" for gift and is reported as an indirect disposition of shares.

How many FIBK shares are reported as held after the 1,350-share gift?

After the gift, the reporting persons show 487,009 shares of FIBK common stock held indirectly. These shares are spread across several family trusts and an LLC, reflecting ongoing significant ownership even after the reported gift transaction.

How are the remaining FIBK shares distributed among the trusts and LLC?

The 487,009 FIBK shares comprise 206,866 in the Julie A Scott Rose Trust, 35,233 in the Juliana Sarah Scott Rose Trust, 35,232 in the Elizabeth Lauren Scott Rose Trust, and 209,678 held by IXL Limited Liability Company.

Does the FIBK Form 4 indicate this was a market sale or a gift?

The transaction is explicitly described as a bona fide gift with code "G" and a reported per-share price of 0.0000. This indicates no sale proceeds were received; it is a non-market transfer of 1,350 common shares.

What does the FIBK filing say about group status and beneficial ownership?

Agreements among the reporting persons, the issuer, and other stockholders mean they may be deemed a group sharing beneficial ownership. However, they explicitly disclaim beneficial ownership of such securities except to the extent of their pecuniary interests.

How will future FIBK insider filings for these holders be reported?

The reporting persons expect to file future Forms 4 and 5 together with Julie Scott Rose, with direct or indirect ownership in the tables shown from her perspective and the nature of beneficial ownership described in accompanying footnotes.

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 JULIE A

(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)
07/27/2026

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	07/27/2026		G		1,350	D	$0	487,009	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 JULIE A

(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^*

Julie A Scott Rose Trustee of the Julie A Scott Rose Trust Dated 5-14-2002

(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^*

IXL Ltd Liability Co

(Last) (First) (Middle)

P O BOX 7113

(Street)

BILLINGS WYOMING 82836

(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^*

Juliana Sarah Scott Rose Trust

(Last) (First) (Middle)

PO 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^*

Elizabeth Lauren Scott Rose Trust

(Last) (First) (Middle)

PO 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 206,866 shares held of record by Julie A Scott-Rose Trustee of the Julie A Scott Rose Trust Dated 5-14-02, 35,233 shares held of record by Juliana Sarah Scott Rose Trust, 35,232 shares held of record by Elizabeth Lauren Scott Rose Trust, and 209,678 shares held by IXL Limited Liability Company, over which Ms. Rose has shared voting and dispositive power with a sibling.

2. As a result of certain agreements entered into among the reporting persons, the Issuer, and other stockholders of the Issuer, 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 herein. The reporting persons disclaim beneficial ownership of any such securities, except to the extent of their pecuniary interests therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Julie Scott Rose with the indication of direct or indirect ownership in Table I and Table II being made from Julie Scott Rose's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons.

	Julie A Scott Rose Trustee of the Julie A Scott Rose Trust Dated 5-14-2002, By: /s/ Timothy J. Leuthold, Attorney-in-Fact for Reporting Person	07/28/2026
	JULIE SCOTT ROSE, By: /s/ Timothy J. Leuthold, Attorney-in-Fact for Reporting Person	07/28/2026
	Juliana Sarah Scott Rose Trust, By: / s/ Timothy J. Leuthold, Attorney-in- Fact for Reporting Person	07/28/2026
	Elizabeth Lauren Scott Rose Trust, By: / s/ Timothy J. Leuthold, Attorney-in- Fact for Reporting Person	07/28/2026
	** 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)