---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-038838"
form_type: "8-K"
ticker: "ALRS"
cik: "0000903419"
company_name: "ALERUS FINANCIAL CORP"
filed_at: "2025-12-29T23:59:59+00:00"
generated_at: "2026-05-16T12:12:55.660090+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Alerus sells $360M of AFS securities, takes $68.5M pre-tax loss, boosts 2026 NIM guidance

## Summary
- Sold $360M in AFS securities (~68% of total) with 1.7% yield and 5.1yr duration.
- One-time pre-tax net loss of $68.5M; reinvested proceeds into securities yielding 4.7% with ~3yr duration.
- Expects 2026 net interest margin of 3.50-3.60%, up from prior guidance of 3.35-3.45%.
- Risk-based capital expected above regulatory limits and internal targets; no impact on tangible capital.

## SEC filing metadata
- accession: 0001437749-25-038838
- form_type: 8-K
- ticker: ALRS
- cik: 0000903419
- company_name: ALERUS FINANCIAL CORP
- filed_at: 2025-12-29T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/903419/000143774925038838/0001437749-25-038838-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/903419/000143774925038838/alrs20251223_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-038838
- JSON: https://secwatch.observer/filing/0001437749-25-038838.json
- Plain text: https://secwatch.observer/filing/0001437749-25-038838.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.