CoastalSouth Bancshares, Inc.
COSONYSECIK 1297107FinancialsFiscal year ends Dec 31
Latest reported revenue, Q2 FY2026$509.0kRevenue, Q2 FY2026, three months to 2026-06-30$509.0k. XBRL concept
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001297107-26-000014.Report this figureThree months to Jun 30, 2026, from the 10-Q filed Aug 7, 2026.Latest quarter: Q2 FY2026
Three months to Jun 30, 2026, against the same quarter a year earlier.
- Revenue$509.0kRevenue, Q2 FY2026, three months to 2026-06-30$509.0k. XBRL concept
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001297107-26-000014.Report this figure+4.5% on a year earlier - Gross marginnot reported (Gross profit not reported)No year-earlier figure to compare
- Operating marginnot reported (Operating income not reported)No year-earlier figure to compare
- Net margin1440.7%Net margin, Q2 FY2026, three months to 2026-06-30. net income / revenueNet income: $7.3m. XBRL concept
us-gaap:NetIncomeLoss. 10-Q filed 2026-08-07, accession 0001297107-26-000014.Revenue: $509.0k. XBRL conceptus-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001297107-26-000014.Report this figure+215.8 pts on a year earlier - Diluted EPS$0.59Diluted EPS, Q2 FY2026, three months to 2026-06-30$0.59 per share. XBRL concept
us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-07, accession 0001297107-26-000014.Report this figure+3.5% on a year earlier - Free cash flow$9.6mFree cash flow, Q2 FY2026, three months to 2026-06-30. operating cash flow − capital expenditureOperating cash flow: $9.8m. XBRL concept
us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-07, accession 0001297107-26-000014. Derived: 6-month figure less the 3-month figure.Capital expenditure: $236.0k. XBRL conceptus-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-07, accession 0001297107-26-000014. Derived: 6-month figure less the 3-month figure.Report this figureSign changed from a year earlier
Last eight quarters
Full statements| Line item | Unit | period not labelled2024-09-30 | period not labelled2024-12-31 | period not labelled2025-03-31 | Q2 FY20252025-06-30 | Q3 FY20252025-09-30 | Q4 FY20252025-12-31 | Q1 FY20262026-03-31 | Q2 FY20262026-06-30 | Shape over the periods |
|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $m | 0.4Revenue, period not labelled, three months to 2024-09-30$427.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-11-07, accession 0001193125-25-272276.Report this figure | 0.5Revenue, period not labelled, three months to 2024-12-31$467.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-03-12, accession 0001193125-26-104114. Derived: 12-month figure less the 9-month figure.Report this figure | 0.5Revenue, period not labelled, three months to 2025-03-31$497.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-08, accession 0001193125-26-214695.Report this figure | 0.5Revenue, Q2 FY2025, three months to 2025-06-30$487.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001297107-26-000014.Report this figure | 0.5Revenue, Q3 FY2025, three months to 2025-09-30$464.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-11-07, accession 0001193125-25-272276.Report this figure | 0.5Revenue, Q4 FY2025, three months to 2025-12-31$537.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-03-12, accession 0001193125-26-104114. Derived: 12-month figure less the 9-month figure.Report this figure | 0.5Revenue, Q1 FY2026, three months to 2026-03-31$519.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-08, accession 0001193125-26-214695.Report this figure | 0.5Revenue, Q2 FY2026, three months to 2026-06-30$509.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001297107-26-000014.Report this figure | |
| Gross margin | % | not reported (Gross profit not reported) | not reported (Gross profit not reported) | not reported (Gross profit not reported) | not reported (Gross profit not reported) | not reported (Gross profit not reported) | not reported (Gross profit not reported) | not reported (Gross profit not reported) | not reported (Gross profit not reported) | |
| Operating margin | % | not reported (Operating income not reported) | not reported (Operating income not reported) | not reported (Operating income not reported) | not reported (Operating income not reported) | not reported (Operating income not reported) | not reported (Operating income not reported) | not reported (Operating income not reported) | not reported (Operating income not reported) | |
| Net margin | % | 1846.4%Net margin, period not labelled, three months to 2024-09-30. net income / revenueNet income: $7.9m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-07, accession 0001193125-25-272276.Revenue: $427.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-11-07, accession 0001193125-25-272276.Report this figure | 1221.4%Net margin, period not labelled, three months to 2024-12-31. net income / revenueNet income: $5.7m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-12, accession 0001193125-26-104114. Derived: 12-month figure less the 9-month figure.Revenue: $467.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-03-12, accession 0001193125-26-104114. Derived: 12-month figure less the 9-month figure.Report this figure | 1016.1%Net margin, period not labelled, three months to 2025-03-31. net income / revenueNet income: $5.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-05-08, accession 0001193125-26-214695.Revenue: $497.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-08, accession 0001193125-26-214695.Report this figure | 1224.8%Net margin, Q2 FY2025, three months to 2025-06-30. net income / revenueNet income: $6.0m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-07, accession 0001297107-26-000014.Revenue: $487.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001297107-26-000014.Report this figure | 1452.8%Net margin, Q3 FY2025, three months to 2025-09-30. net income / revenueNet income: $6.7m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2025-11-07, accession 0001193125-25-272276.Revenue: $464.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2025-11-07, accession 0001193125-25-272276.Report this figure | 1328.9%Net margin, Q4 FY2025, three months to 2025-12-31. net income / revenueNet income: $7.1m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-12, accession 0001193125-26-104114. Derived: 12-month figure less the 9-month figure.Revenue: $537.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-03-12, accession 0001193125-26-104114. Derived: 12-month figure less the 9-month figure.Report this figure | 1219.5%Net margin, Q1 FY2026, three months to 2026-03-31. net income / revenueNet income: $6.3m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-05-08, accession 0001193125-26-214695.Revenue: $519.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-05-08, accession 0001193125-26-214695.Report this figure | 1440.7%Net margin, Q2 FY2026, three months to 2026-06-30. net income / revenueNet income: $7.3m. XBRL concept us-gaap:NetIncomeLoss. 10-Q filed 2026-08-07, accession 0001297107-26-000014.Revenue: $509.0k. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-Q filed 2026-08-07, accession 0001297107-26-000014.Report this figure | |
| Diluted EPS | $ per share | 0.75Diluted EPS, period not labelled, three months to 2024-09-30$0.75 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-07, accession 0001193125-25-272276.Report this figure | not reported (Diluted EPS not reported) | 0.47Diluted EPS, period not labelled, three months to 2025-03-31$0.47 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-08, accession 0001193125-26-214695.Report this figure | 0.57Diluted EPS, Q2 FY2025, three months to 2025-06-30$0.57 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-07, accession 0001297107-26-000014.Report this figure | 0.54Diluted EPS, Q3 FY2025, three months to 2025-09-30$0.54 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2025-11-07, accession 0001193125-25-272276.Report this figure | not reported (Diluted EPS not reported) | 0.51Diluted EPS, Q1 FY2026, three months to 2026-03-31$0.51 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-05-08, accession 0001193125-26-214695.Report this figure | 0.59Diluted EPS, Q2 FY2026, three months to 2026-06-30$0.59 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-Q filed 2026-08-07, accession 0001297107-26-000014.Report this figure | |
| Free cash flow | $m | (3.1)Free cash flow, period not labelled, three months to 2024-09-30. operating cash flow − capital expenditureOperating cash flow: −$2.4m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-07, accession 0001193125-25-272276. Derived: 9-month figure less the 6-month figure.Capital expenditure: $676.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-11-07, accession 0001193125-25-272276. Derived: 9-month figure less the 6-month figure.Report this figure | 37.5Free cash flow, period not labelled, three months to 2024-12-31. operating cash flow − capital expenditureOperating cash flow: $37.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-12, accession 0001193125-26-104114. Derived: 12-month figure less the 9-month figure.Capital expenditure: $265.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-12, accession 0001193125-26-104114. Derived: 12-month figure less the 9-month figure.Report this figure | (1.6)Free cash flow, period not labelled, three months to 2025-03-31. operating cash flow − capital expenditureOperating cash flow: −$1.2m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-08, accession 0001193125-26-214695.Capital expenditure: $394.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-05-08, accession 0001193125-26-214695.Report this figure | (16.3)Free cash flow, Q2 FY2025, three months to 2025-06-30. operating cash flow − capital expenditureOperating cash flow: −$15.6m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-07, accession 0001297107-26-000014. Derived: 6-month figure less the 3-month figure.Capital expenditure: $698.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-07, accession 0001297107-26-000014. Derived: 6-month figure less the 3-month figure.Report this figure | (5.9)Free cash flow, Q3 FY2025, three months to 2025-09-30. operating cash flow − capital expenditureOperating cash flow: −$5.5m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2025-11-07, accession 0001193125-25-272276. Derived: 9-month figure less the 6-month figure.Capital expenditure: $412.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2025-11-07, accession 0001193125-25-272276. Derived: 9-month figure less the 6-month figure.Report this figure | 85.1Free cash flow, Q4 FY2025, three months to 2025-12-31. operating cash flow − capital expenditureOperating cash flow: $85.5m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-12, accession 0001193125-26-104114. Derived: 12-month figure less the 9-month figure.Capital expenditure: $326.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-12, accession 0001193125-26-104114. Derived: 12-month figure less the 9-month figure.Report this figure | (21.7)Free cash flow, Q1 FY2026, three months to 2026-03-31. operating cash flow − capital expenditureOperating cash flow: −$20.6m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-05-08, accession 0001193125-26-214695.Capital expenditure: $1.1m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-05-08, accession 0001193125-26-214695.Report this figure | 9.6Free cash flow, Q2 FY2026, three months to 2026-06-30. operating cash flow − capital expenditureOperating cash flow: $9.8m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-Q filed 2026-08-07, accession 0001297107-26-000014. Derived: 6-month figure less the 3-month figure.Capital expenditure: $236.0k. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-Q filed 2026-08-07, accession 0001297107-26-000014. Derived: 6-month figure less the 3-month figure.Report this figure |
Focus or hover a figure to see its XBRL concept, period and filing; each links to that filing. A figure marked d is derived: a quarter computed from year-to-date figures, such as the fourth quarter as the fiscal year less the nine months before it. A ratio reads not reported when any input is missing.
Last five fiscal years
| Line item | Unit | FY2024-12-31 | FY20252025-12-31 | Shape over the periods |
|---|---|---|---|---|
| Revenue | $m | 1.9Revenue, period not labelled, twelve months to 2024-12-31$1.9m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-03-12, accession 0001193125-26-104114.Report this figure | 2.0Revenue, FY2025, twelve months to 2025-12-31$2.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-03-12, accession 0001193125-26-104114.Report this figure | |
| Gross margin | % | not reported (Gross profit not reported) | not reported (Gross profit not reported) | |
| Operating margin | % | not reported (Operating income not reported) | not reported (Operating income not reported) | |
| Net margin | % | 1174.5%Net margin, period not labelled, twelve months to 2024-12-31. net income / revenueNet income: $21.9m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-12, accession 0001193125-26-104114.Revenue: $1.9m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-03-12, accession 0001193125-26-104114.Report this figure | 1254.0%Net margin, FY2025, twelve months to 2025-12-31. net income / revenueNet income: $24.9m. XBRL concept us-gaap:NetIncomeLoss. 10-K filed 2026-03-12, accession 0001193125-26-104114.Revenue: $2.0m. XBRL concept us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax. 10-K filed 2026-03-12, accession 0001193125-26-104114.Report this figure | |
| Diluted EPS | $ per share | 2.09Diluted EPS, period not labelled, twelve months to 2024-12-31$2.09 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-03-12, accession 0001193125-26-104114.Report this figure | 2.16Diluted EPS, FY2025, twelve months to 2025-12-31$2.16 per share. XBRL concept us-gaap:EarningsPerShareDiluted. 10-K filed 2026-03-12, accession 0001193125-26-104114.Report this figure | |
| Free cash flow | $m | (14.1)Free cash flow, period not labelled, twelve months to 2024-12-31. operating cash flow − capital expenditureOperating cash flow: −$12.7m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-12, accession 0001193125-26-104114.Capital expenditure: $1.4m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-12, accession 0001193125-26-104114.Report this figure | 61.3Free cash flow, FY2025, twelve months to 2025-12-31. operating cash flow − capital expenditureOperating cash flow: $63.1m. XBRL concept us-gaap:NetCashProvidedByUsedInOperatingActivities. 10-K filed 2026-03-12, accession 0001193125-26-104114.Capital expenditure: $1.8m. XBRL concept us-gaap:PaymentsToAcquirePropertyPlantAndEquipment. 10-K filed 2026-03-12, accession 0001193125-26-104114.Report this figure |
Focus or hover a figure to see its XBRL concept, period and filing; each links to that filing. A figure marked d is derived: a quarter computed from year-to-date figures, such as the fourth quarter as the fiscal year less the nine months before it. A ratio reads not reported when any input is missing.
Insider purchases and sales
All insider transactionsThe last 20 open-market transactions reported on Form 4 (codes P and S). The reported price is the price per share the insider stated on the form: filing data, not a market price.
| Date | Insider | Transaction | Shares | Reported price | Value | Filing |
|---|---|---|---|---|---|---|
| 2026-10-23 | Bruderer Ernst W.Director | Sale | 6,000 | $27.9158 | $167.5k | Form 4 |
Funds that report holding it
All fundsFrom each manager's latest Form 13F, largest reported value first. Reported value is as filed at the quarter end: filing data, not a price. A put or call is an option position, not shares held.
| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
|---|---|---|---|---|---|
| Patriot Financial Partners GP II, L.P. | 2026-06-30 | $18.6m | 691,367 | Reduced−467,844 | |
| BlackRock, Inc. | 2026-06-30 | $15.7m | 584,198 | Added+92,165 | |
| TWO SIGMA INVESTMENTS, LP | 2026-06-30 | $11.0m | 408,489 | Added+308,434 | |
| VANGUARD CAPITAL MANAGEMENT LLC | 2026-06-30 | $10.6m | 395,093 | Reduced−11,334 | |
| North Reef Capital Management LP | 2026-06-30 | $10.0m | 370,982 | Added+50,000 | |
| Berkeley Capital Partners, LLC | 2026-06-30 | $9.6m | 356,390 | Reduced−4,172 | |
| ALLIANCEBERNSTEIN L.P. | 2026-06-30 | $8.5m | 347,546 | Reduced−50,027 | |
| MENDON CAPITAL ADVISORS CORP | 2026-06-30 | $7.2m | 267,232 | Reduced−62,511 | |
| Curi Capital, LLC | 2026-06-30 | $6.7m | 250,001 | Reduced−52,950 | |
| Fourthstone LLC | 2026-06-30 | $6.1m | 225,211 | Reduced−875,293 |
Recent filings
All 110 filingsReports and events: 10-K, 10-Q, 8-K, proxy statements and ownership schedules.
| Filed | Form | What it is | Accession number |
|---|---|---|---|
| 2026-10-1916:27 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-425283 |
| 2026-08-0716:16 ET | 10-Q | Quarterly reportPeriod 2026-06-30 | 0001297107-26-000014 |
| 2026-07-2416:15 ET | 8-K | 5.03 Amendment to articles or bylaws; 9.01 Financial statements and exhibits | 0001297107-26-000011 |
| 2026-07-2016:35 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001297107-26-000009 |
| 2026-05-0816:19 ET | 10-Q | Quarterly reportPeriod 2026-03-31 | 0001193125-26-214695 |
| 2026-05-0109:04 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-199469 |
| 2026-04-2416:15 ET | 8-K | 5.07 Shareholder vote results | 0001193125-26-177286 |
| 2026-04-2016:05 ET | 8-K | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001297107-26-000006 |
| 2026-03-1309:02 ET | DEF 14A | Proxy statementPeriod 2025-12-31 | 0001193125-26-105139 |
| 2026-03-1216:06 ET | 10-K | Annual reportPeriod 2025-12-31 | 0001193125-26-104114 |
Latest annual report
Form 10-K for the fiscal year ended Dec 31, 2025Filed Mar 12, 2026. Its page lists the documents and the extracted sections, such as Business and Risk factors.
Forecast league
Not in this season’s league. The league lists companies whose quarter has ended and whose results are not yet filed.This season’s league
About the filer
- CIK
- 1297107
- Tickers
- COSO
- Exchange
- NYSE
- SIC code
- 6022 State Commercial Banks
- Sector
- Financials
- Fiscal year ends
- Dec 31
- Incorporated in
- not reported
- Filer category
- <br>Emerging growth company
- Former names
- Coastal South Bancshares Inc (to 2004-07-09)
Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 26, 2026, 09:17 ET. Listed shows no prices and gives no investment advice.