John M. Heyneman Jr - Feb 1, 2022 Form 3/A - Amendment Insider Report for FIRST INTERSTATE BANCSYSTEM INC (FIBK)

Role: Director, 10%+ Owner
Signature: JOHN M HEYNEMAN JR. TRUST, By: /s/ Timothy Leuthold, Attorney-in-Fact for Reporting Person
Stock symbol: FIBK
Transactions as of: Feb 1, 2022
Transactions value $: $0
Form type: 3/A - Amendment
Date filed: 3/22/2022, 12:36 PM
Date Of Original Report: Feb 11, 2022
Previous filing: Dec 16, 2021
Next filing: Mar 22, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	FIBK	Class A Common Stock						1.45K	Feb 1, 2022	see footnote	F1, F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	FIBK	Class A Common Stock							Feb 1, 2022	Class A Common Stock	1.4M	$0.00	see footnote	F2, F3, F4
holding	FIBK	Class B Common Stock							Feb 1, 2022	Class A Common Stock	15K	$0.00	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Composed of 325 shares held of record by John Heyneman, Jr.'s spouse, 470 shares held by Child 1 and 650 by Child 2
F2	As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with John Heyneman, Jr. with the indication of direct or indirect ownership in Tables I and II being made from John Heyneman, Jr.'s perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons. (by see footnote)
F3	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 and the reporting person elected to convert the shares upon receipt.
F4	Composed of 139,921 shares held of record by John M Heyneman Jr. Trust, 85,836 shares held of record by Riki Rae Scott Davidson & John Heyneman Jr., Trustees FBO Riki Scott Davidson Exemption Trust Under the Scott Family 1996 Trust, 85,836 shares held of record by Rae Ann Morss & John Heyneman Jr., Trustees FBO Rae Ann Morss Exemption Trust Under the Scott Family 1996 Trust, 1,085,792 shares held of record by Towanda Investments Limited Partnership, and 3,232 shares held of record by John Heyneman, Jr.'s spouse.

Remarks:

This amendment is being filed solely to reflect indirect holdings originally inadvertently omitted for spouse and children and identify direct holdings inadvertently reported as indirect.