---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-26-011896"
form_type: "8-K"
ticker: "NSTS"
cik: "0001881592"
company_name: "NSTS Bancorp, Inc."
filed_at: "2026-04-09T23:59:59+00:00"
generated_at: "2026-05-15T06:49:40.938073+00:00"
event_type: "leadership"
sentiment: "negative"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# NSTS Bancorp EVP Nathan Walker passes away; Stephen Lear assumes CEO/President of Bank

## Summary
- Nathan E. Walker, EVP of NSTS Bancorp and CEO/President of North Shore Trust and Savings, passed away on April 4, 2026.
- Stephen G. Lear, previously Chairman and CEO of the Company, appointed CEO and President of the Bank on April 9, 2026.
- Lear had served as CEO of the Bank from 1997 to 2022 and will reassume the role; no change to his compensation arrangements.
- Walker began as a teller in 1996 and rose to lead the Bank since 2022.

## SEC filing metadata
- accession: 0001437749-26-011896
- form_type: 8-K
- ticker: NSTS
- cik: 0001881592
- company_name: NSTS Bancorp, Inc.
- filed_at: 2026-04-09T23:59:59+00:00
- event_type: leadership
- sentiment: negative
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1881592/000143774926011896/0001437749-26-011896-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1881592/000143774926011896/nsts20260408_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-26-011896
- JSON: https://secwatch.observer/filing/0001437749-26-011896.json
- Plain text: https://secwatch.observer/filing/0001437749-26-011896.txt

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