---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-26-031662"
form_type: "8-K"
ticker: "NSTS"
cik: "0001881592"
company_name: "NSTS Bancorp, Inc."
filed_at: "2026-10-01T12:30:11+00:00"
generated_at: "2026-10-12T14:16:58.579135+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.9
calibrated_materiality_score: 0.9
confidence: "high"
source: SEC EDGAR
---

# NSTS Bancorp completes merger into Brookfield Bancshares; stockholders receive $14.31 per share

## Summary
- Merger effective 12:01 a.m. ET Oct 1, 2026; NSTS merged into Brookfield Bancshares and North Shore Trust and Savings became a wholly owned Brookfield subsidiary.
- Each NSTS share converted into $14.31 cash; restricted stock and options vested, with total merger consideration of $73,662,000.
- Stockholders approved the merger at a Sept 29, 2026 special meeting: 3,762,060 for vs 3,905 against, with 71.69% of outstanding shares represented.
- NSTS asked Nasdaq to suspend trading after the Sept 30, 2026 close and file Form 25; Brookfield intends to file a Form 15 to deregister.
- Bank CEO Stephen G. Lear and directors Apolonio Arenas and newly appointed Amy Avakian remain on the Bank's board; NSTS officers and directors ceased.

## SEC filing metadata
- accession: 0001437749-26-031662
- form_type: 8-K
- ticker: NSTS
- cik: 0001881592
- company_name: NSTS Bancorp, Inc.
- filed_at: 2026-10-01T12:30:11+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.9
- calibrated_materiality_score: 0.9
- confidence: high
- sec_items: 2.01, 3.01, 3.03, 5.01, 5.02, 5.03, 5.07, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1881592/000143774926031662/0001437749-26-031662-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1881592/000143774926031662/nsts20260930_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-26-031662
- JSON: https://secwatch.observer/filing/0001437749-26-031662.json
- Plain text: https://secwatch.observer/filing/0001437749-26-031662.txt

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