James A. Reuter - 16 Mar 2026 Form 4 Insider Report for FIRST INTERSTATE BANCSYSTEM INC (FIBK)

Role
President and CEO, Director
Signature
/s/ Kirk D. Jensen, as attorney in fact for reporting person
Issuer symbol
FIBK
Transactions as of
16 Mar 2026
Net transactions value
$0
Form type
4
Filing time
18 Mar 2026, 18:06:42 UTC
Previous filing
17 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Reuter James A President and CEO, Director PO BOX 30918, BILLINGS /s/ Kirk D. Jensen, as attorney in fact for reporting person 18 Mar 2026 0002042435

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction FIBK Common Stock Tax liability -5,125 -5.6% $33.22* 86,904 16 Mar 2026 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Number of shares of common stock withheld to satisfy the reporting person's tax withholding obligations upon vesting of a previously reported restricted stock unit award.