🕵️ Coastalsouth Bancshares, Inc. ($COSO)
SEC insider & ownership activity, last 12 months · CIK 1297107 · every row links its SEC filing
Over the last 12 months insiders sold $283K against $52K of open-market buying. Ernst W. Bruderer sold $165K (Aug). 2 planned sales are pending, the largest $28K (Ernst W. Bruderer). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
3 buyers, $52K (4 lots) · 2 sellers, $283K (5 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Ernst W. Bruderer | 0 | – | 4 | $165K | Aug 31, 2026 |
| Anthony P. Valduga | 0 | – | 1 | $118K | May 6, 2026 |
| Michael B. High | 1 | $38K | 0 | – | Feb 10, 2026 |
| James S. MacLeod | 2 | $9K | 0 | – | Aug 7, 2026 |
| Stephen R. Stone | 1 | $5K | 0 | – | Mar 9, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| EJF Capital LLC | 8.5% | 13G | Nov 13, 2025 | filing ↗ | |
| W. Kirk Wycoff | 5.8% | 13G | May 6, 2026 | filing ↗ | |
| James J. Lynch | 5.8% | 13G | May 6, 2026 | filing ↗ | |
| Ira M. Lubert | 5.8% | 13G | May 6, 2026 | filing ↗ | |
| James F. Deutsch | 5.8% | 13G | May 6, 2026 | filing ↗ | |
| Wycoff W. Kirk | exited | 13G | Aug 18, 2026 | filing ↗ | |
| James J. Lynch | exited | 13G | Aug 18, 2026 | filing ↗ | |
| Ira M. Lubert | exited | 13G | Aug 18, 2026 | filing ↗ | |
| James F. Deutsch | exited | 13G | Aug 18, 2026 | filing ↗ | |
| Patriot Financial Partners II Coastal SPV, LLC | exited | 13G | Aug 18, 2026 | filing ↗ | |
| Patriot Financial Partners GP II, L.P. | exited | 13G | Aug 18, 2026 | filing ↗ | |
| Patriot Financial Partners GP II, LLC | exited | 13G | Aug 18, 2026 | filing ↗ | |
| Patriot Financial Partners II, L.P. | exited | 13G | Aug 18, 2026 | filing ↗ | |
| Patriot Financial Partners Parallel II, L.P. | exited | 13G | Aug 18, 2026 | filing ↗ | |
| Patriot Financial Manager, L.P. | exited | 13G | Aug 18, 2026 | filing ↗ | |
| Patriot Financial Manager, LLC | exited | 13G | Aug 18, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Ernst W. Bruderer | $55K | Aug 31, 2026 | filing ↗ |
| Ernst W. Bruderer | $55K | Aug 26, 2026 | filing ↗ |
| Ernst W. Bruderer | $28K | Aug 18, 2026 | filing ↗ |
| Ernst W. Bruderer | $28K | Aug 10, 2026 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Charter/bylaw changes (5.03) | Jul 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 23, 2026 | filing ↗ |
| Earnings (2.02) | Jul 20, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 20, 2026 | filing ↗ |
| Other events (8.01) | Apr 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 30, 2026 | filing ↗ |
| Shareholder vote (5.07) | Apr 23, 2026 | filing ↗ |
| Earnings (2.02) | Apr 20, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 20, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 20, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 26, 2026 | filing ↗ |
| Earnings (2.02) | Jan 20, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 20, 2026 | filing ↗ |
| Officer/director changes (5.02) | Nov 18, 2025 | filing ↗ |
| Earnings (2.02) | Oct 20, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 20, 2025 | filing ↗ |