---
schema_version: "secwatch.filing_event.v1"
accession: "0001849867-26-000014"
form_type: "8-K"
ticker: "CLST"
cik: "0001849867"
company_name: "Catalyst Bancorp, Inc."
filed_at: "2026-07-14T13:41:30+00:00"
generated_at: "2026-07-14T13:42:07.218680+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Catalyst Bancorp completes $41.1M cash acquisition of Lakeside Bancshares

## Summary
- Deal value $41.1M cash; Lakeside shareholders receive $19.58 per share.
- Lakeside had $375.7M assets, $229.8M loans, $277.6M deposits as of March 31, 2026.
- Combined entity pro forma: ~$620M assets, $390M loans, $478M deposits.
- Adds four branches in Calcasieu Parish; system conversion planned for November 2026.
- Acquisition effective July 14, 2026; previously announced April 7, 2026.

## SEC filing metadata
- accession: 0001849867-26-000014
- form_type: 8-K
- ticker: CLST
- cik: 0001849867
- company_name: Catalyst Bancorp, Inc.
- filed_at: 2026-07-14T13:41:30+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1849867/000184986726000014/0001849867-26-000014-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1849867/000184986726000014/clst-20260714x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001849867-26-000014
- JSON: https://secwatch.observer/filing/0001849867-26-000014.json
- Plain text: https://secwatch.observer/filing/0001849867-26-000014.txt

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