CoastalSouth Bancshares, Inc. COSO NYSE

NYSE • Financial Services • Banks - Regional • US • USD

SharesGrow Score

70/100

5/7 Pass

SharesGrow Intrinsic Value

CoastalSouth Bancshares, Inc. (COSO) has 15 known insider and institutional holders on record. The largest holder is Stone Stephen R. with 120,385 shares. Other notable holders include Valduga Anthony P. and FAULKNER JAMES A.

Over the last 12 months, insiders have made 17 transactions in COSO stock — 15 buys (valued at $42.54K) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.

COSO Insider Ownership

Top Holder

Stone Stephen R.

120,385 shares

Buys (12 mo)

$42.54K value

Sells (12 mo)

$0.00 value

12-Month Transaction Activity

Buy 88%

Sell 0%

Top Insider Holders

#	Name	Role	Shares Owned	Last Filed	Relative Size
1	Stone Stephen R.	President and CEO	120,385	2026-03-09	100%
2	Valduga Anthony P.	CFO and COO	10,000	2026-02-13	8%
3	Faulkner James A	Director	4,162	2003-12-29	3%
4	Hemby Lauren M.	Chief Accounting Officer	4,000	2026-02-13	3%
5	Turner Cameron Bradley	Chief Credit Officer	1,500	2026-02-13	1%
6	Macleod James S	Director	1,189	2026-02-13	1%
7	Fraser John Simon	Director	1,000	2026-03-16	1%
8	Griffith Mark	Director	987	2026-02-13	1%
9	Aldridge John G Jr	Director	927	2026-02-13	1%
10	Topper Joseph V. Jr.	Director	927	2026-02-13	1%
11	Askins L. Scott	Director	927	2026-02-13	1%
12	High Michael B	Director	868	2026-02-13	1%
13	Frawley Patrick M	Director	868	2026-02-13	1%
14	Bruderer Ernst W.	Director	868	2026-02-13	1%
15	Richardson James N. Jr.	Director	868	2026-02-13	1%

Recent Transactions (last 12 months)

Date	Name	Role	Type	Shares	Price	Value
2026-12-31	Fraser John Simon	Director	Unknown	868	-	-
2026-02-26	Fraser John Simon	Director	Unknown	-	-	-
2026-03-09	Stone Stephen R.	President and CEO	Informative Buy	200	$24.15	$4.83K
2026-02-11	Bruderer Ernst W.	Director	RSU Award	868	-	-
2026-02-11	Richardson James N. Jr.	Director	RSU Award	868	-	-
2026-02-11	Turner Cameron Bradley	Chief Credit Officer	RSU Award	1,500	-	-
2026-02-11	Askins L. Scott	Director	RSU Award	927	-	-
2026-02-11	Valduga Anthony P.	CFO and COO	RSU Award	10,000	-	-
2026-02-11	Hemby Lauren M.	Chief Accounting Officer	RSU Award	4,000	-	-
2026-02-11	Stone Stephen R.	President and CEO	RSU Award	12,000	-	-
2026-02-11	Aldridge John G Jr	Director	RSU Award	927	-	-
2026-02-11	Topper Joseph V. Jr.	Director	RSU Award	927	-	-
2026-02-11	Frawley Patrick M	Director	RSU Award	868	-	-
2026-02-11	High Michael B	Director	RSU Award	868	-	-
2026-02-11	Griffith Mark	Director	RSU Award	987	-	-
2026-02-11	Macleod James S	Director	RSU Award	1,189	-	-
2026-02-10	High Michael B	Director	Informative Buy	1,500	$25.14	$37.71K