---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-081878"
form_type: "8-K"
ticker: "SNNF"
cik: "0002072421"
company_name: "Seneca Bancorp, Inc."
filed_at: "2025-08-22T23:59:59+00:00"
generated_at: "2026-05-17T10:42:12.521414+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Seneca Bancorp begins stock offering at $10/share in MHC conversion

## Summary
- Seneca Bancorp offering up to 1,207,500 shares (expandable to 1,388,625) at $10.00 per share.
- Minimum 892,500 shares must be sold; conversion requires regulatory, stockholder, and member approvals.
- Bank charter to convert from federal savings to national bank, renamed Seneca Savings Bank, N.A.
- Subscription offering opens Aug 25, 2025; eligible depositors, borrowers, and employee plans get first priority.
- Keefe, Bruyette & Woods acts as marketing agent.

## SEC filing metadata
- accession: 0001104659-25-081878
- form_type: 8-K
- ticker: SNNF
- cik: 0002072421
- company_name: Seneca Bancorp, Inc.
- filed_at: 2025-08-22T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2072421/000110465925081878/0001104659-25-081878-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2072421/000110465925081878/tm2524173d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-081878
- JSON: https://secwatch.observer/filing/0001104659-25-081878.json
- Plain text: https://secwatch.observer/filing/0001104659-25-081878.txt

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