๐Ÿ•ต๏ธ Coastalsouth Bancshares, Inc. ($COSO)

SEC insider & ownership activity, last 12 months ยท CIK 1297107 ยท every row links its SEC filing

Over the last 12 months insiders sold $118K against $43K of open-market buying. Anthony P. Valduga sold $118K in discretionary trades (May). No red-flag 8-Ks in the window.

Aug 2025: net +$0 Sep 2025: net +$0 Oct 2025: net +$0 Nov 2025: net +$0 Dec 2025: net +$0 Jan 2026: net +$0 Mar 2026: net +$5K Mar 2026: net +$5K Apr 2026: net +$0 May 2026: net -$118K Jun 2026: net +$0 Jul 2026: net +$0
Monthly net open-market insider flow, last 12 months (up = net buying)

Insider flow

2 buyers, $43K (2 lots) ยท 1 seller, $118K (1 lots)

InsiderBuysBoughtSellsSoldLast
Anthony P. Valduga0โ€“ 1$118KMay 6, 2026
Michael B. High1$38K 0โ€“Feb 10, 2026
Stephen R. Stone1$5K 0โ€“Mar 9, 2026

5%+ holders

HolderStakeClassScheduleEvent
Fourthstone LLC 9.2% 13GMay 15, 2026 filing โ†—
L. Phillip Stone, IV 9.2% 13GMay 15, 2026 filing โ†—
EJF Capital LLC 8.5% 13GNov 13, 2025 filing โ†—
Fourthstone Master Opportunity Fund Ltd 7.1% 13GMay 15, 2026 filing โ†—
W. Kirk Wycoff 5.8% 13GMay 6, 2026 filing โ†—
James J. Lynch 5.8% 13GMay 6, 2026 filing โ†—
Ira M. Lubert 5.8% 13GMay 6, 2026 filing โ†—
James F. Deutsch 5.8% 13GMay 6, 2026 filing โ†—
Patriot Financial Partners II Coastal SPV, LLC 5.7% 13GMay 6, 2026 filing โ†—
Patriot Financial Partners GP II, L.P. 5.7% 13GMay 6, 2026 filing โ†—
Patriot Financial Partners GP II, LLC 5.7% 13GMay 6, 2026 filing โ†—
Patriot Financial Partners II, L.P. 5.1% 13GMay 6, 2026 filing โ†—

Planned insider sales (Form 144)

No sale notices filed in the last 12 months.

Material events (8-K)

ItemEvent date
Charter/bylaw changes (5.03)Jul 23, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jul 23, 2026 filing โ†—
Earnings (2.02)Jul 20, 2026 filing โ†—
Reg FD disclosure (7.01)Jul 20, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Jul 20, 2026 filing โ†—
Other events (8.01)Apr 30, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Apr 30, 2026 filing โ†—
Shareholder vote (5.07)Apr 23, 2026 filing โ†—
Earnings (2.02)Apr 20, 2026 filing โ†—
Reg FD disclosure (7.01)Apr 20, 2026 filing โ†—
Financial Statements and Exhibits (9.01)Apr 20, 2026 filing โ†—
Officer/director changes (5.02)Feb 26, 2026 filing โ†—
Earnings (2.02)Jan 20, 2026 filing โ†—
Reg FD disclosure (7.01)Jan 20, 2026 filing โ†—
Officer/director changes (5.02)Nov 18, 2025 filing โ†—
Earnings (2.02)Oct 20, 2025 filing โ†—
Financial Statements and Exhibits (9.01)Oct 20, 2025 filing โ†—
Other events (8.01)Sep 15, 2025 filing โ†—