Arkolith/Insider Trading/COSO/Form 4

Hemby Lauren M.

CHIEF ACCOUNTING OFFICERCoastalSouth Bancshares, Inc. (COSO) · full profile →Form 4 · filed Apr 29, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
3
2 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Apr 27, 2026Option exercise(M)4K—$014K
Apr 27, 2026Tax withholding(F)1K$25.59$30K13K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Apr 27, 2026Option exercise(M)4K——0

Transaction Codes

M
Option exercise / conversion
F
Shares withheld for taxes

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-26-191617) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML