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Wednesday, October 28, 2026

Data from SEC filings, checked daily

Public filings, plainly told

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Insider tradingForm 4

CoastalSouth Bancshares, Inc. (COSO) Insider Trading

7 open-market trades reported since Aug 13, 2026: 2 purchases worth $9K and 5 sales worth $333K.

By insider

Insider	Role	Buys	Bought	Sells	Sold	Latest
Ernst W. Bruderer	Director	0	$0	5	$333K	Oct 26, 2026
James S. Macleod	Director	2	$9K	0	$0	Sep 14, 2026

All trades

COSO insider trades
Filed	Traded	Insider	Role	Type	Shares	Price ($)	Value	Holding	3 mo. after	Filing
Oct 26	Oct 23	Ernst W. BrudererDirector	Director	▼ SELL	6,000	27.92	$167K	−15%		Form 4 ↗
Sep 14	Aug 7	James S. MacleodDirector	Director	▲ BUY	238	28.15	$7K	+0.1%		Form 4 ↗
Sep 14	Aug 6	James S. MacleodDirector	Director	▲ BUY	96	27.61	$3K	+0.0%		Form 4 ↗
Aug 31	Aug 31	Ernst W. BrudererDirector	Director	▼ SELL	2,000	27.43	$55K	−4.6%		Form 4 ↗
Aug 26	Aug 26	Ernst W. BrudererDirector	Director	▼ SELL	2,000	27.50	$55K	−4.4%		Form 4 ↗
Aug 18	Aug 18	Ernst W. BrudererDirector	Director	▼ SELL	1,000	27.89	$28K	−2.2%		Form 4 ↗
Aug 13	Aug 12	Ernst W. BrudererDirector	Director	▼ SELL10b5-1	1,000	27.56	$28K	−2.1%		Form 4 ↗

Source: SEC Form 4 filings, retrieved Oct 28, 2026. How we read filings