First Interstate Bancsystem SEC Filings

Scott James R. Jr reported acquisition or exercise transactions in this Form 4 filing.

FIRST INTERSTATE BANCSYSTEM INC director and 10% owner James R. Scott Jr. received a grant of 2,247 shares of common stock at a price of $0.00 per share as a compensation-related award. According to the footnotes, these shares are issuable upon vesting of restricted stock units granted under the 2023 Equity and Incentive Plan.

The restricted stock units vest on June 1, 2027, subject to his continuous service through that date or the date of the company’s next annual shareholder meeting, if earlier. Following the grant, he directly holds 80,792 shares of common stock and indirectly holds 1,952,320 shares through JS Investments Limited Partnership and two GST exempt trusts. The reporting persons may be deemed part of a group and to share beneficial ownership, but they disclaim beneficial ownership except to the extent of their pecuniary interest.

First Interstate BancSystem, Inc. reported several governance changes tied to its 2026 annual shareholder meeting. Three long‑tenured directors, Patricia L. Moss, David L. Jahnke and Stephen M. Lacy, reached the mandatory retirement age of 72 and resigned from the board. The company reduced the board size from 14 to 11 directors to remove resulting vacancies.

Shareholders approved a Charter amendment that, together with amended bylaws, introduces a plurality voting standard for director elections in contested situations, while retaining a majority vote standard in uncontested elections. Shareholders also approved the board’s Class II director nominees, supported executive compensation on an advisory basis, and ratified Ernst & Young LLP as independent auditor for the fiscal year ending December 31, 2026.

First Interstate BancSystem, Inc. filed a shelf registration statement to offer common stock, preferred stock, depositary shares, debt securities, warrants, purchase contracts and units from time to time after this registration statement becomes effective. The prospectus is dated May 26, 2026 and describes general terms; specific offering terms will be provided in prospectus supplements.

The company states it is authorized to issue up to 150,000,000 shares of Common Stock and up to 100,000 shares of preferred stock. The registrant operates 273 banking offices across ten states as of May 26, 2026. The prospectus incorporates by reference recent filings including the Annual Report on Form 10-K for the year ended December 31, 2025 filed February 26, 2026, and a Form 10-Q for the quarter ended March 31, 2026.

First Interstate BancSystem, Inc. Schedule 13G/A amendment reports that Wellington-affiliated entities beneficially own 3,882,437 shares of Common Stock (CUSIP 32055Y201), representing 3.98% of the class as shown on the cover pages. The filing lists shared voting power of 2,347,013 and shared dispositive power of 3,882,437 and identifies the relevant Wellington entities and investment advisers.

First Interstate BancSystem, Inc. reported a leadership change involving its Chief Operations Officer. On May 11, 2026, the company terminated, without cause, Kristina Robbins’ employment as Executive Vice President and COO and simultaneously moved her into a new role as Executive Advisor to CEO James Reuter.

Robbins will assist with transitioning her prior COO responsibilities and provide strategic and operational support while reporting to the CEO. Her Executive Advisor role is expected to run through August 1, 2026, and she will continue to receive her current compensation and benefits during this period.

The CEO is expected to take on COO responsibilities until a successor is appointed. The filing also notes that, assuming certain conditions under her agreement are met, Robbins’ separation from the COO position will be treated as an involuntary termination under her existing employment agreement. A Transition and Separation Agreement and General Release dated May 11, 2026 is filed as Exhibit 10.1.

First Interstate BancSystem, Inc. reported higher profitability for the quarter ended March 31, 2026. Net income rose to $60.2 million from $50.2 million a year earlier, and diluted earnings per share increased to $0.61 from $0.49.

Total assets were $26.4 billion, with loans held for investment of $14.7 billion and deposits of $21.9 billion, all slightly lower than at December 31, 2025 as the balance sheet contracted. Net interest income dipped modestly to $200.7 million, but a lower provision for credit losses supported earnings.

The company repurchased 2.39 million shares of common stock for $84.0 million and paid common dividends of $0.47 per share, while common equity tier 1 and total risk-based capital ratios remained strong at 14.30% and 17.07%, respectively. Other comprehensive income was negatively affected by higher unrealized losses on available-for-sale securities.

FIRST INTERSTATE BANCSYSTEM INC insider entities associated with Jonathan R. Scott reported an open-market sale of 53,504 shares of Common Stock at a weighted average price of $35.42 per share. After the sale, they report indirect beneficial ownership of 879,520 shares.

The filing explains that the price reflects multiple trades between $35.13 and $35.70. The indirectly held shares are composed of holdings across several Scott family trusts, an LLC, and shares held by Jonathan Scott’s spouse, and the reporting persons note they may be deemed part of a group sharing beneficial ownership, subject to their pecuniary interest.

Jonathan R. Scott Trust reported a proposed resale notice and recent transaction. The trust sold 3,000 shares of common stock on 03/26/2026 for $100,348.2. The filing also lists multiple holdings acquired as compensation and by gift, including awards of 3,401, 1,133, 3,014, and other restricted stock units with their acquisition dates.

First Interstate BancSystem, Inc. reported first-quarter 2026 net income of $60.2 million, or $0.61 per diluted share, down from $108.8 million in the prior quarter but up from $50.2 million a year earlier.

Net interest income was $200.7 million and net interest margin improved to 3.41%, with fully taxable equivalent margin at 3.43% and adjusted FTE margin at 3.38%. Noninterest income fell versus the prior quarter due to a prior one-time gain on Arizona and Kansas branch sales, while fee-based revenues were relatively stable.

Credit quality metrics improved overall: net loan charge-offs declined to $2.4 million, or 0.06% of average loans, and criticized loans eased, though non-performing assets rose to $162.5 million mainly from one client relationship. Loans held for investment were $14.7 billion and deposits $21.9 billion, yielding a 67.3% loan-to-deposit ratio.

Capital remained strong, with a common equity tier 1 ratio of 14.30% and total risk-based capital of 17.07%. The board declared a quarterly dividend of $0.47 per share, equating to a 5.3% annualized yield based on the quarter’s average share price, and the company repurchased 2.39 million shares for about $84.0 million under its $300.0 million authorization.