COSONYSEState Commercial BanksFiscal year ends December 31
CoastalSouth Bancshares, Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 7, 2026
$26.53−0.12 (-0.45%)
Close on Oct 19, 2026
- Market cap
- $330.24M
- P/E (TTM)
- 12.0
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
58.7%
7M of 12M shares
Institutional holders
101
24 new, 4 sold out
Net institutional buying
-0M
In Q2 2026
Insider trades, 12 months
4 buys · 5 sales
Net sold $231.20K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| James J. Lynch | 691,367 | 5.80% | 13G (passive) amendment | Apr 29, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of COSO | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Patriot Financial Partners GP II, L.P. | 691,367 | 5.78% | $18.56M | −467,844 | 4.74% |
| BlackRock, Inc. | 584,198 | 4.89% | $15.69M | +92,165 | 0.00% |
| Two Sigma Investments, LP | 408,489 | 3.42% | $10.97M | +308,434 | 0.01% |
| Vanguard Capital Management LLC | 395,093 | 3.30% | $10.61M | −11,334 | 0.00% |
| North Reef Capital Management LP | 370,982 | 3.10% | $9.96M | +50,000 | 0.38% |
| Berkeley Capital Partners, LLC | 356,390 | 2.98% | $9.57M | −4,172 | 1.97% |
| Alliancebernstein L.P. | 347,546 | 2.91% | $8.55M | −50,027 | 0.00% |
| Mendon Capital Advisors Corp | 267,232 | 2.24% | $7.18M | −62,511 | 2.54% |
| RMB Capital Management, LLC | 250,001 | 2.09% | $6.71M | −52,950 | 0.10% |
| Fourthstone LLC | 225,211 | 1.88% | $6.09M | −875,293 | 4.33% |
| Raffles Associates LP | 224,276 | 1.88% | $6.02M | +102,995 | 2.64% |
| Geode Capital Management, LLC | 196,340 | 1.64% | $5.27M | +5,090 | 0.00% |
| EJF Capital LLC | 192,676 | 1.61% | $5.17M | – | 3.46% |
| State Street Corp | 188,361 | 1.58% | $5.06M | +61,921 | 0.00% |
| Acadian Asset Management LLC | 173,846 | 1.45% | $4.66K | +101,107 | 0.01% |
| Qube Research & Technologies Ltd | 127,213 | 1.06% | $3.42M | New | 0.00% |
| Morgan Stanley | 108,931 | 0.91% | $2.92M | +80,983 | 0.00% |
| KLCM Advisors, Inc. | 107,617 | 0.90% | $2.89M | – | 0.23% |
| Goldman Sachs Group Inc | 91,528 | 0.77% | $2.46M | −166,611 | 0.00% |
| Bleakley Financial Group, LLC | 90,307 | 0.76% | $2.42M | +2,171 | 0.03% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 101 | 7M | 58.7% | 24 / 42 | 20 / 4 | 2M | 2M |
| Q1 2026 | 83 | 7M | 61.1% | 24 / 37 | 11 / 6 | 2M | 1M |
| Q4 2025 | 66 | 7M | 57.2% | 18 / 19 | 16 / 5 | 1M | 1M |
| Q3 2025 | 53 | 7M | 54.5% | 50 / 1 | 2 / 0 | 6M | 0M |
| Q2 2025 | 3 | 1M | 5.7% | 1 / 0 | 1 / 0 | 0M | 0M |
| Q1 2025 | 2 | 0M | 2.4% | 0 / 0 | 1 / 0 | 0M | 0M |
| Q4 2024 | 2 | 0M | 2.6% | 0 / 0 | 1 / 0 | 0M | 0M |
| Q3 2024 | 2 | 0M | 2.8% | 0 / 0 | 1 / 0 | 0M | 0M |
| Q2 2024 | 2 | 0M | 2.8% | 0 / 0 | 1 / 0 | 0M | 0M |
| Q1 2024 | 2 | 0M | 2.8% | 0 / 1 | 0 / 0 | 0M | 0M |
| Q4 2023 | 2 | 0M | 2.1% | 0 / 0 | 0 / 0 | 0M | 0M |
| Q3 2023 | 2 | 0M | 2.1% | 0 / 0 | 0 / 0 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of COSO | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 297,300 | 2.49% | $7.98M | 0.00% | Jun 30, 2026 |
| RMB Mendon Financial Services Fund | 250,000 | 2.09% | $6.71M | 2.60% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 224,880 | 1.88% | $6.04M | 0.01% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 85,457 | 0.71% | $2.29M | 0.00% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 84,346 | 0.71% | $2.30M | 0.01% | Jul 31, 2026 |
| iShares Russell 2000 Value ETF | 77,091 | 0.64% | $2.07M | 0.01% | Jun 30, 2026 |
| Vanguard Russell 2000 Index Fund | 47,309 | 0.40% | $1.21M | 0.01% | May 31, 2026 |
| Goldman Sachs Small Cap Value Fund | 40,943 | 0.34% | $1.05M | 0.11% | May 31, 2026 |
| Fidelity Extended Market Index Fund | 38,880 | 0.33% | $992.61K | 0.00% | May 31, 2026 |
| Goldman Sachs Small Cap Value Insights Fund | 34,095 | 0.29% | $929.77K | 0.07% | Jul 31, 2026 |
| iShares Micro-Cap ETF | 27,520 | 0.23% | $738.91K | 0.05% | Jun 30, 2026 |
| Blackstone Alternative Multi-Strategy Fund | 25,539 | 0.21% | $685.72K | 0.02% | Jun 30, 2026 |
| College Retirement Equities Fund - Total Global Stock Account | 25,372 | 0.21% | $681.24K | 0.00% | Jun 30, 2026 |
| Fidelity SAI Small-Mid Cap Momentum Index Fund | 23,424 | 0.20% | $638.77K | 0.02% | Jul 31, 2026 |
| Schwab Small-Cap Index Fund | 20,184 | 0.17% | $550.42K | 0.01% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Stephen R. Stone | PRESIDENT AND CEO, Director | 137,193 | 1.15% | Apr 29, 2026 |
| Anthony P. Valduga | CFO AND COO | 114,539 | 0.96% | May 6, 2026 |
| Lauren M. Hemby | CHIEF ACCOUNTING OFFICER | 14,250 | 0.12% | Apr 29, 2026 |
| Cameron Bradley Turner | CHIEF CREDIT OFFICER | 16,756 | 0.14% | Apr 29, 2026 |
| James S. Macleod | Director | 201,585 | 1.69% | Sep 14, 2026 |
| Ernst W. Bruderer | Director | 41,131 | 0.34% | Aug 31, 2026 |
| John Simon Fraser | Director | 12,866 | 0.11% | Mar 16, 2026 |
| John G. Aldridge Jr | Director | 18,129 | 0.15% | Feb 13, 2026 |
| L. Scott Askins | Director | 13,990 | 0.12% | Feb 13, 2026 |
| Michael B. High | Director | 1,600 | 0.01% | Feb 13, 2026 |
| James N. Richardson Jr. | Director | 172,263 | 1.44% | Feb 13, 2026 |
| Patrick M. Frawley | Director | 83,549 | 0.70% | Feb 13, 2026 |
| Mark Griffith | Director | 89,794 | 0.75% | Feb 13, 2026 |
| Joseph V. Topper Jr. | Director | 514,376 | 4.30% | Feb 13, 2026 |
| Boris Gutin | Director | 18,284 | 0.15% | Jul 7, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Ernst W. Bruderer Director | Aug 31, 2026 | Sale | −2,000 | $27.43 | $54.86K | 41,131 |
| Ernst W. Bruderer Director | Aug 26, 2026 | Sale | −2,000 | $27.50 | $55.00K | 43,131 |
| Ernst W. Bruderer Director | Aug 18, 2026 | Sale | −1,000 | $27.89 | $27.89K | 45,131 |
| Ernst W. Bruderer Director | Aug 12, 2026 | Sale(10b5-1 plan) | −1,000 | $27.56 | $27.56K | 46,131 |
| James S. Macleod Director | Aug 7, 2026 | Buy | +238 | $28.15 | $6.70K | 201,585 |
| James S. Macleod Director | Aug 6, 2026 | Buy | +96 | $27.61 | $2.65K | 201,347 |
| Anthony P. Valduga CFO AND COO | May 6, 2026 | Gift | −2,000 | – | – | 84,115 |
| Anthony P. Valduga CFO AND COO | May 6, 2026 | Sale | −4,558 | $25.84 | $117.78K | 86,115 |
| Lauren M. Hemby CHIEF ACCOUNTING OFFICER | Apr 27, 2026 | Option exercise | +4,000 | – | – | 14,250 |
| Lauren M. Hemby CHIEF ACCOUNTING OFFICER | Apr 27, 2026 | Tax withholding | −1,181 | $25.59 | $30.22K | 13,069 |
| Stephen R. Stone PRESIDENT AND CEO, Director | Apr 27, 2026 | Tax withholding | −5,022 | $25.59 | $128.51K | 132,363 |
| Stephen R. Stone PRESIDENT AND CEO, Director | Apr 27, 2026 | Option exercise | +17,000 | – | – | 137,385 |
| Anthony P. Valduga CFO AND COO | Apr 27, 2026 | Tax withholding | −3,841 | $25.59 | $98.29K | 90,673 |
| Anthony P. Valduga CFO AND COO | Apr 27, 2026 | Option exercise | +13,000 | – | – | 94,514 |
| Cameron Bradley Turner CHIEF CREDIT OFFICER | Apr 27, 2026 | Tax withholding | −1,169 | $25.59 | $29.91K | 8,831 |
| Cameron Bradley Turner CHIEF CREDIT OFFICER | Apr 27, 2026 | Option exercise | +4,000 | – | – | 10,000 |
| Stephen R. Stone PRESIDENT AND CEO, Director | Mar 9, 2026 | Buy | +200 | $24.15 | $4.83K | 120,385 |
| Michael B. High Director | Feb 10, 2026 | Buy | +1,500 | $25.14 | $37.71K | 1,500 |
| Boris Gutin Director | Jul 2, 2025 | Buy | +11,000 | $21.50 | $236.50K | 18,284 |
| John G. Aldridge Jr Director | Jul 2, 2025 | Buy | +5,000 | $21.50 | $107.50K | 18,129 |
| Patrick M. Frawley Director | Jul 2, 2025 | Buy | +4,650 | $21.50 | $99.98K | 83,549 |
| Joseph V. Topper Jr. Director | Jul 2, 2025 | Buy | +100,000 | $21.50 | $2.15M | 107,900 |
| Ernst W. Bruderer Director | Jul 2, 2025 | Buy | +2,000 | $21.50 | $43.00K | 47,131 |
| James S. Macleod Director | Jul 2, 2025 | Buy | +10,000 | $21.50 | $215.00K | 10,000 |
| Cameron Bradley Turner CHIEF CREDIT OFFICER | Jul 2, 2025 | Buy | +1,000 | $21.50 | $21.50K | 6,000 |
| Stephen R. Stone PRESIDENT AND CEO, Director | Jul 2, 2025 | Buy | +2,200 | $21.50 | $47.30K | 120,185 |
| L. Scott Askins Director | Jul 2, 2025 | Buy | +2,325 | $21.50 | $49.99K | 13,990 |
| Anthony P. Valduga CFO AND COO | Jul 2, 2025 | Buy | +1,500 | $21.50 | $32.25K | 81,514 |
| James N. Richardson Jr. Director | Jul 2, 2025 | Buy | +20,000 | $21.50 | $430.00K | 128,891 |
| Lauren M. Hemby CHIEF ACCOUNTING OFFICER | Jul 2, 2025 | Buy | +4,500 | $21.50 | $96.75K | 10,250 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Ernst W. Bruderer Officer | Aug 31, 2026 | 2,000 | $54.86K | Aug 31, 2026 | Purchase |
| Ernst W. Bruderer Officer | Aug 26, 2026 | 2,000 | $55.00K | Aug 26, 2026 | Purchase |
| Ernst W. Bruderer Officer | Aug 25, 2026 | 1,000 | $27.56K | Aug 10, 2026 | IPO Purchase |
| Ernst W. Bruderer Officer | Aug 24, 2026 | 1,000 | $27.89K | Aug 18, 2026 | IPO purchase |