CoastalSouth Bancshares, Inc. (COSO)
NYSE: COSO · State Commercial Banks · Atlanta, GA · filing with the SEC since 2004
Who owns CoastalSouth Bancshares, Inc.
As filed with the SECHolders of 5% or more
0
No Schedule 13D or 13G naming this company is on file.
Directors and officers
14
report now, of 15 people on the record since 2025. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 0 named at left.
Holders of 5% or moreshare of the class, as filed
Wycoff W Kirk
SCHEDULE 13G/A · filed Aug 18, 2026 · Voting Common Stock · reported falling below 5%, from 5.8% in May 6, 2026
Fourthstone LLC
SCHEDULE 13G/A · filed Aug 14, 2026 · Common Stock, par value $1.00 per share · reported falling below 5%, from 9.18% in May 15, 2026
EJF Capital LP
SCHEDULE 13G/A · filed May 28, 2026 · Voting Common Stock, $1.00 par value per share · reported falling below 5%, from 8.5% in Nov 13, 2025
What COSO reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Cornerstone Bank
A company bought · acquisition · owns, named in the 10-K filed Mar 12, 2026
2 subsidiaries in 1 country, from the list filed with the 10-K filed Mar 12, 2026.
Insider tradesForm 4
6sales
4purchases
1sales on a scheduled plan
2people selling
$500,000sold, in dollars
$100,000bought, in dollars
Open-market trades on Form 4 from Nov 4, 2025 to Nov 4, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 4, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window5 of 15 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Bruderer Ernst W. | director | 5 | $300,000 | 1 | 0 | $0 |
| Valduga Anthony P. | CFO AND COO | 1 | $100,000 | 0 | 0 | $0 |
| Macleod James S | director | 0 | $0 | 0 | 2 | $0 |
| Stone Stephen R. | PRESIDENT AND CEO | 0 | $0 | 0 | 1 | $0 |
| High Michael B | director | 0 | $0 | 0 | 1 | $0 |