Ernst W. Bruderer sold $28K of COSO stock

Ernst W. Bruderer, Dir of CoastalSouth Bancshares, Inc. (COSO), sold 1,000 shares of COSO stock worth $28K, per an SEC Form 4 filed Aug 13, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on Aug 12, 2026, 1 day before it was made public.

COSO has moved +1.4% since the trade date, from $27.75 to $28.15 (Nov 6, 2026 close).