FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2024

Mar 19, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2024-03-15

Reporting Person: KNIERIEM KARLYN M (EVP, Chief Risk Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-03-15	Common Stock	F	240	$25.21	Disposed	20359	Direct
2024-03-15	Common Stock	F	367	$25.21	Disposed	19992	Direct
2024-03-15	Common Stock	A	5092	—	Acquired	25084	Direct

Footnotes

F1: Disposition to the issuer of issuer securities in payment of minimum required withholding taxes due upon vesting of unvested shares.

F2: Shares issuable upon vesting of restricted stock units granted to the reporting person pursuant to the Registrant's 2024 Equity and Incentive Plan. The restricted stock units vest in three equal annual installments beginning on March 15, 2025, subject to the reporting person's continued employment through each applicable vesting date.