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AI brief of an SEC Form 8-K · First Interstate BancSystem (FIBK)

First Interstate Q4 net income rises to $108.8 million, or $1.08 per diluted share

Positive Impact 4 of 5 earnings Written later

First Interstate BancSystem reported fourth-quarter 2025 net income of $108.8 million, or $1.08 per diluted share, up from $71.4 million in the third quarter and $52.1 million a year earlier. The results include a $62.7 million gain from the sale of its Arizona and Kansas branches, which closed on October 10, 2025, and the board raised its stock repurchase authorization by $150.0 million, to $300.0 million in total since August 2025.

Key points

  • Q4 2025 net income of $108.8 million, or $1.08 per diluted share, versus $0.69 in Q3 2025 and $0.50 in Q4 2024
  • $62.7 million gain from the sale of the Arizona and Kansas branches, which closed on October 10, 2025, was the main driver of higher noninterest income
  • Net interest income fell 3.7% year over year to $206.4 million in Q4 2025, while net interest margin rose to 3.36%
  • Board authorized an additional $150.0 million for buybacks on January 27, 2026, and declared a $0.47 per share dividend payable February 20, 2026 to holders of record as of February 10, 2026

The filing

CompanyFirst Interstate BancSystem (FIBK)
Form8-K, current report
Filed with the SECJan 28, 2026, 4:10 PM ET
Accession number0000860413-26-000007

Items reported: 2.02 Results of Operations7.01 Regulation FD Disclosure8.01 Other Events

Read the filing on SEC.gov ↗

Written by AI (Anthropic Claude, claude-haiku-5-5) on Nov 8, 2026, 1:38 AM ET, from the text of the filing and its press-release exhibits only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on January 28, 2026.

Briefs are written by AI from the filing text (each brief's own page names the model) and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the model's reading of the filing for shareholders, not a price forecast. Not investment advice.