Arkolith/Insider Trading/SO/Form 4

Spainhour Sterling A Jr.

EVP & CLOSOUTHERN CO (SO) · full profile →Form 4 · filed Feb 13, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
5
4 non-derivative · 1 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Feb 11, 2026Tax withholding(F)1K$90.86$102K39K
Feb 11, 2026Option exercise(M)3K—$040K
Feb 11, 2026Tax withholding(F)14K$90.86$1.2M37K
Feb 11, 2026Grant(A)31K—$051K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Feb 11, 2026Option exercise(M)2K—$05K

Transaction Codes

F
Shares withheld for taxes
M
Option exercise / conversion
A
Grant / award

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001193125-26-051201) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML