---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-23-035144"
form_type: "8-K"
ticker: "NSTS"
cik: "0001881592"
company_name: "NSTS Bancorp, Inc."
filed_at: "2023-12-21T23:59:59+00:00"
generated_at: "2026-06-07T09:27:34.897714+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# NSTS Bancorp board approves stock buyback of up to 265,763 shares (5% of outstanding)

## Summary
- Board authorized repurchase of up to 265,763 shares, representing ~5% of outstanding common stock.
- Program effective until December 31, 2024, unless terminated earlier.
- Repurchases may be made in open market or private transactions, including under Rule 10b5-1 plans.
- Company not obligated to buy any shares; program may be discontinued at any time.

## SEC filing metadata
- accession: 0001437749-23-035144
- form_type: 8-K
- ticker: NSTS
- cik: 0001881592
- company_name: NSTS Bancorp, Inc.
- filed_at: 2023-12-21T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1881592/000143774923035144/0001437749-23-035144-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1881592/000143774923035144/nsts20231221_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-23-035144
- JSON: https://secwatch.observer/filing/0001437749-23-035144.json
- Plain text: https://secwatch.observer/filing/0001437749-23-035144.txt

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