First Interstate COO reports no FIBK share holdings

Chief Operations Officer Jeffery D. Lee reported no beneficial ownership of FIRST INTERSTATE BANCSYSTEM INC common stock on his initial Form 3.

Rhea-AI Filing Summary

FIRST INTERSTATE BANCSYSTEM INC (FIBK) reported an initial ownership filing for officer Jeffery D. Lee, who serves as Chief Operations Officer. The filing states that he did not beneficially own any shares of the company’s Common Stock at the time this Form 3 was filed.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Lee Jeffery D.

Role Chief Operations Officer

Type	Security	Shares	Price	Value
holding	Common Stock F1	--	--	--

Holdings After Transaction: Common Stock — 0 shares (Direct)

Footnotes (1)

1. F1. Reporting Person did not beneficially own any Common Stock at the time of filing the initial Form 3.

Key Figures

Common Stock beneficially owned: 0 shares Total shares following transaction entry: 0 shares

2 metrics

Common Stock beneficially owned 0 shares Reported for Chief Operations Officer Jeffery D. Lee on initial Form 3

Total shares following transaction entry 0 shares Common Stock holding line marked as 0.0000 shares with related footnote

Key Terms

beneficially own, Common Stock, Power of Attorney

3 terms

beneficially own financial

"Reporting Person did not beneficially own any Common Stock"

Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.

Common Stock financial

"did not beneficially own any Common Stock at the time"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Power of Attorney regulatory

"Exhibit 24 - Power of Attorney"

A power of attorney is a legal document that allows one person to make decisions and act on behalf of another person, often in financial or legal matters. It’s like giving someone a trusted helper or agent the authority to handle important tasks if you are unable to do so yourself. This matters to investors because it can impact how their assets are managed or transferred if they become unable to oversee their affairs.

FAQ

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

What does the Form 3 for FIBK report about Jeffery D. Lee’s holdings?

It reports that Chief Operations Officer Jeffery D. Lee did not beneficially own any Common Stock of FIRST INTERSTATE BANCSYSTEM INC at the time of filing the initial Form 3.

What is Jeffery D. Lee’s role at FIRST INTERSTATE BANCSYSTEM INC (FIBK)?

Jeffery D. Lee is reported as the Chief Operations Officer of FIRST INTERSTATE BANCSYSTEM INC in this Form 3 filing.

How many FIBK shares does Jeffery D. Lee beneficially own after the reported Form 3?

According to the Form 3, Jeffery D. Lee did not beneficially own any Common Stock of FIRST INTERSTATE BANCSYSTEM INC at the time of the initial filing, with the table showing 0 shares following the reporting entry.

Does the Form 3 for FIBK indicate any insider purchases or sales by Jeffery D. Lee?

No. The Form 3 only provides an initial ownership report indicating no beneficial ownershippurchases or sales of FIRST INTERSTATE BANCSYSTEM INC common stock.

What does the footnote in the FIBK Form 3 say about Jeffery D. Lee’s ownership?

The footnote states that the reporting person did not beneficially own any Common Stock of FIRST INTERSTATE BANCSYSTEM INC at the time of filing the initial Form 3, clarifying the zero-share entry.

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

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Available on EDGAR 09/15/2026 - 08:13 PM Accepted by SEC EDGAR 09/15/2026 - 08:12 PM Learn about SEC filing dates

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Lee Jeffery D.

(Last) (First) (Middle)

P.O. BOX 30918

(Street)

BILLINGS MONTANA 59116-0918

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
09/14/2026

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

3a. Foreign Trading Symbol

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

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

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

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

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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	0(1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Reporting Person did not beneficially own any Common Stock at the time of filing the initial Form 3.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Brian M. Murphy, Attorney-in-fact for Reporting Person	09/15/2026
	** 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 5 (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 3: SEC 1473 (03-26)