Lauren M. Hemby - Jul 1, 2025 Form 3 Insider Report for CoastalSouth Bancshares, Inc. (COSO)

Signature
/s/ Morgan Guerts, Attorney-in-Fact
Stock symbol
COSO
Transactions as of
Jul 1, 2025
Transactions value $
$0
Form type
3
Date filed
7/1/2025, 07:14 PM
Next filing
Jul 7, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Hemby Lauren M. CHIEF ACCOUNTING OFFICER 400 GALLERIA PARKWAY, SUITE 1900, ATLANTA /s/ Morgan Guerts, Attorney-in-Fact 2025-07-01 0002065869

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding COSO Common Stock 5.75K Jul 1, 2025 Direct

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 Jul 1, 2025 Common Stock 4K Direct F1
holding COSO Restricted Stock Units Jul 1, 2025 Common Stock 2.5K Direct F1
holding COSO Restricted Stock Units Jul 1, 2025 Common Stock 2K Direct F1
holding COSO Stock option (right to purchase) Jul 1, 2025 Common Stock 20K $13.00 Direct F2
holding COSO Stock option (right to purchase) Jul 1, 2025 Common Stock 6K $14.00 Direct F2
holding COSO Stock option (right to purchase) Jul 1, 2025 Common Stock 5K $9.02 Direct F2
holding COSO Stock option (right to purchase) Jul 1, 2025 Common Stock 5K $11.79 Direct F2
holding COSO Stock option (right to purchase) Jul 1, 2025 Common Stock 3.5K $16.50 Direct F2
holding COSO Stock option (right to purchase) Jul 1, 2025 Common Stock 3K $16.94 Direct F3
* 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.
F3 750 options vested on each of January 25, 2023, 2024 and 2025, and 750 options will vest on January 25, 2026.

Remarks:

Exhibit 24 - Power of Attorney