MICHAEL B. HIGH - 11 Feb 2026 Form 4 Insider Report for CoastalSouth Bancshares, Inc. (COSO)

Role
Director
Signature
/s/ Lauren Hemby, Chief Accouting Officer
Issuer symbol
COSO
Transactions as of
11 Feb 2026
Net transactions value
$0
Form type
4
Filing time
13 Feb 2026, 16:00:06 UTC
Previous filing
12 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
HIGH MICHAEL B Director 400 GALLERIA PARKWAY, SUITE 1900, ATLANTA /s/ Lauren Hemby, Chief Accouting Officer 13 Feb 2026 0001203411

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
transaction COSO Restricted Stock Unit Award +868 868 11 Feb 2026 Common Stock 868 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Restricted stock units ("RSU") convert into shares of the issuer's common stock on a one-for-one basis.
F2 RSU 100% vests on 12/31/2026.