# EDGAR Filing Document

**Accession Number:** 0001297107
**File Stem:** 0001193125-26-105147
**Filing Date:** 2026-3
**Character Count:** 1248
**Document Hash:** 35618e5d3c92c42fd6831f2edd9241b2
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-105147.hdr.sgml**: 20260313

**ACCESSION NUMBER**: 0001193125-26-105147

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260313

**DATE AS OF CHANGE**: 20260313

**EFFECTIVENESS DATE**: 20260313

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CoastalSouth Bancshares, Inc.
- **CENTRAL INDEX KEY:** 0001297107
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 571184730
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42730
- **FILM NUMBER:** 26750345

**BUSINESS ADDRESS:**
- **STREET 1:** 400 GALLERIA PKWY
- **STREET 2:** SUITE 1900
- **CITY:** ATLANTA
- **STATE:** GA
- **ZIP:** 30339
- **BUSINESS PHONE:** 678-396-4605

**MAIL ADDRESS:**
- **STREET 1:** 400 GALLERIA PKWY
- **STREET 2:** SUITE 1900
- **CITY:** ATLANTA
- **STATE:** GA
- **ZIP:** 30339

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Coastal South Bancshares Inc
- **DATE OF NAME CHANGE:** 20040713

### Attached PDF Documents

**Attachment 1:** `coso_2025_ars.pdf`

_No text found in this document._