Stephen R. Stone - 01 Jul 2025 Form 3 Insider Report for CoastalSouth Bancshares, Inc.

Signature
/s/ Morgan Guerts, Attorney-in-Fact
Issuer symbol
COSO on NYSE
Transactions as of
01 Jul 2025
Net transactions value
$0
Form type
3
Filing time
01 Jul 2025, 19:25:11 UTC
Next filing
07 Jul 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Stone Stephen R. PRESIDENT AND CEO, Director 400 GALLERIA PARKWAY, SUITE 1900, ATLANTA /s/ Morgan Guerts, Attorney-in-Fact 01 Jul 2025 0002064783

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding COSO Common Stock 117,985 01 Jul 2025 Direct
holding COSO Common Stock 4,830 01 Jul 2025 By IRA

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding COSO Restricted Stock Units 01 Jul 2025 Common Stock 17,000 Direct F1
holding COSO Restricted Stock Units 01 Jul 2025 Common Stock 40,000 Direct F1
holding COSO Stock option (right to purchase) 01 Jul 2025 Common Stock 75,000 $13.00 Direct F2
holding COSO Stock option (right to purchase) 01 Jul 2025 Common Stock 34,000 $14.00 Direct F2
holding COSO Stock option (right to purchase) 01 Jul 2025 Common Stock 10,000 $9.02 Direct F2
holding COSO Stock option (right to purchase) 01 Jul 2025 Common Stock 10,000 $11.79 Direct F2
holding COSO Restricted Stock Units 01 Jul 2025 Common Stock 17,000 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Restricted stock units convert into shares of the issuer's common stock on a one-for-one basis.
F2 These options are fully-vested.

Remarks:

Exhibit 24 - Power of Attorney