Documents

SEC Filings

Other Filings
Filing Description Filing Type Filing Date Event Date  
Registration Statement POS AM 9/5/2018
8-K 8-K 8/17/2018 8/16/2018
Abstract: On Aug. 17, registrant announced that it completed its acquisition of Northwest Bancorp. Inc.
8-K 8-K 8/15/2018 8/14/2018
Abstract: On Aug. 15, registrant and Northwest Bancorp. Inc. announced that Northwest Bancorp.’s shareholders approved the proposed merger of Northwest Bancorp. with and into the registrant at a special meeting of Northwest Bancorp. shareholders on Aug. 14.
8-K 8-K 8/9/2018 8/9/2018
Abstract: 8-K filed by First Interstate BancSystem Inc. (FIBK) covering Regulation FD Disclosure and Financial Statements and Exhibits.
10-Q 10-Q 8/7/2018 6/30/2018
8-K 8-K 8/1/2018 8/1/2018
Abstract: On Aug. 1, registrant declared a dividend of 28 cents per common share, payable Aug. 21 to shareholders as of Aug. 10.
8-K 8-K 7/25/2018 7/25/2018
Abstract: 8-K filed by First Interstate BancSystem Inc. (FIBK) covering Results of Operations and Financial Condition and Financial Statements and Exhibits.
Prospectus 424B3 7/9/2018
Registration Statement S-4/A 7/2/2018
Abstract: Registrant filed amendment No. 1 to its registration statement to file additional information in connection with its offer for 3,982,842 shares of class A common stock in an offering valued at approximately $168.6 million in connection with its proposed acquisition of Northwest Bancorp. Inc.
13-D SC 13D/A 7/2/2018
Merger App Y-3 6/21/2018 6/14/2018
Abstract: Registrant filed an application with the FRB to seek approval to acquire Northwest Bancorporation, Inc./Inland Northwest Bank. The agreement and plan of merger was included with the filing.
Registration Statement S-4 6/8/2018
Abstract: Registrant filed a registration statement for 3,982,842 shares of class A common stock in an offering valued at approximately $168.6 million in connection with its proposed acquisition of Northwest Bancorporation Inc.
10-Q 10-Q 5/9/2018 3/31/2018
8-K 8-K 5/4/2018 5/2/2018
Abstract: 8-K filed by First Interstate BancSystem Inc. (FIBK) covering Submission of Matters to a Vote of Security Holder.
Prospectus 425 5/3/2018
8-K 8-K 4/27/2018 4/27/2018
Abstract: 8-K filed by First Interstate BancSystem Inc. (FIBK) covering Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers and Financial Statements and Exhibits.
8-K 8-K 4/26/2018 4/25/2018
Abstract: On April 25, registrant and Northwest Bancorporation Inc. announced that they entered into a definitive agreement under which the registrant to acquire Northwest Bancorporation Inc. in an all-stock transaction. The agreement and plan of merger, and investor presentation were included by exhibit.
Prospectus 425 4/26/2018
Investor Presentation MP 4/25/2018
Abstract: Presentation made by First Interstate BancSystem on April 25 regarding its proposed acquisition of Northwest Bancorporation, Inc.
8-K 8-K 4/25/2018 4/25/2018
Abstract: On April 25, registrant reported its net income for the quarter ended March 31. Registrant declared a dividend of 28 cents per share, payable May 24 to shareholders as of May 14.

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