First Interstate director granted 2,247 RSUs

Agrawal Renu reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Agrawal Renu reported acquisition or exercise transactions in this Form 4 filing.

FIRST INTERSTATE BANCSYSTEM INC director equity grant: Director Renu Agrawal received an award of 2,247 shares of Common Stock in the form of restricted stock units under the company’s 2023 Equity and Incentive Plan. These units vest on June 1, 2027, subject to her continuous service or the date of the next annual shareholder meeting, whichever is earlier. After this grant, she holds 4,074 shares directly. This is a compensation-related equity award, not an open-market stock purchase.

Insider Trade Summary

Grant/Award: 2,247 shares

Grant/Award 1 txn

Insider Agrawal Renu

Role Director

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

Holdings After Transaction: Common Stock — 4,074 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 person's 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

RSU grant size: 2,247 shares Transaction price per share: $0.0000 per share Shares held after transaction: 4,074 shares +1 more

4 metrics

RSU grant size 2,247 shares Restricted stock units awarded to director on June 1, 2026

Transaction price per share $0.0000 per share Equity compensation grant, not an open-market purchase

Shares held after transaction 4,074 shares Director’s direct holdings following the RSU award

Vesting date June 1, 2027 RSUs vest on this date or the next annual shareholder meeting date

Key Terms

restricted stock units, 2023 Equity and Incentive Plan, continuous service, annual shareholder meeting

4 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"

continuous service financial

"subject to the reporting person's provision of continuous service to the Registrant"

annual shareholder meeting financial

"through the earlier of the applicable vesting date or the date of the Registrant's next annual shareholder meeting"

A yearly gathering where a company’s owners (shareholders) and its leaders meet to review performance, approve key decisions like electing directors, and vote on issues such as executive pay or major policy changes. Think of it as an annual town hall for people who own part of the business: investors use it to ask questions, influence direction through votes, and gauge management’s plans and transparency, all of which can affect the stock’s outlook.

FAQ

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

What did FIRST INTERSTATE BANCSYSTEM INC (FIBK) director Renu Agrawal report on this Form 4?

Director Renu Agrawal reported an equity award of 2,247 shares of Common Stock in the form of restricted stock units. The award was granted under the company’s 2023 Equity and Incentive Plan as part of her director compensation.

Are the 2,247 FIBK shares granted to Renu Agrawal immediately owned and vested?

No, the 2,247 shares are issuable upon vesting of restricted stock units, not immediately owned free shares. The units must vest before turning into common stock that she can fully access or transfer, subject to plan terms.

When do Renu Agrawal’s restricted stock units in FIRST INTERSTATE BANCSYSTEM INC vest?

The restricted stock units vest on June 1, 2027, if she continues to serve the company. Vesting can also occur earlier on the date of the company’s next annual shareholder meeting, according to the award’s terms.

What conditions apply to the FIBK restricted stock units granted to Renu Agrawal?

The units vest only if she provides continuous service to FIRST INTERSTATE BANCSYSTEM INC through the vesting date. Vesting is tied to the earlier of June 1, 2027, or the date of the company’s next annual shareholder meeting.

How many FIRST INTERSTATE BANCSYSTEM INC shares does Renu Agrawal hold after this equity award?

After the reported grant, Renu Agrawal directly holds 4,074 shares of FIRST INTERSTATE BANCSYSTEM INC Common Stock. This total reflects her position following the award of 2,247 restricted stock units described in the Form 4.

Was there any purchase price paid for the 2,247 FIBK restricted stock units granted to Renu Agrawal?

No, the transaction price per share is reported as 0.0000, indicating a compensation grant. This means the restricted stock units were awarded to her as part of her role, rather than acquired through an open-market purchase.

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

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Accepted by SEC EDGAR 06/03/2026 - 01:49 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^*

Agrawal Renu

(Last) (First) (Middle)

PO 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	4,074	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 person's 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)