FIRST INTERSTATE BANCSYSTEM INC — Director's Dealing 2021

Mar 4, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK: 0000860413
Period of Report: 2021-03-03

Reporting Person: Scott Jonathan R (Director, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-03-03	Class A Common Stock	C	94863	—	Acquired	94863	Indirect
2021-03-03	Class A Common Stock	C	94863	—	Acquired	94863	Indirect
2021-03-03	Class A Common Stock	C	94863	—	Acquired	94863	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-03-03	Class B Common Stock	$0.0	C	94863	Disposed		Class A Common Stock (94863.0)	Indirect
2021-03-03	Class B Common Stock	$0.0	C	94863	Disposed		Class A Common Stock (94863.0)	Indirect
2021-03-03	Class B Common Stock	$0.0	C	94863	Disposed		Class A Common Stock (94863.0)	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	2371	Direct
Class A Common Stock	143	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Class B Common Stock	$0.0		Class A Common Stock (50000.0)	50000	Indirect
Class B Common Stock	$0.0		Class A Common Stock (540731.0)	540731	Indirect
Class B Common Stock	$0.0		Class A Common Stock (265.0)	265	Direct

Footnotes

F1: The Class B Common Stock is convertible at any time into Class A Common Stock on a share for share basis at the discretion of the holder. The conversion feature of the Class B Common Stock does not expire.