Arkolith/Insider Trading/SMC/Form 4

Sicinski Matthew B.

Senior VP and CAOSummit Midstream Corp (SMC) · full profile →Form 4 · filed Mar 17, 2026
No Open-Market Flow
Open-Market Buys
$0
Open-Market Sells
$0
Net Open-Market Flow
$0
Transactions
11
6 non-derivative · 5 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Mar 13, 2026Option exercise(M)6K——37K
Mar 13, 2026Tax withholding(F)2K$30.29$46K36K
Mar 13, 2026Option exercise(M)2K——37K
Mar 13, 2026Tax withholding(F)368$30.29$11K37K
Mar 13, 2026Option exercise(M)3K——40K
Mar 13, 2026Tax withholding(F)773$30.29$23K40K

Derivative Transactions (Table II)

DateActionSharesPriceValueOwned After
Mar 16, 2026Grant(A)6K—$024K
Mar 16, 2026Grant(A)6K—$030K
Mar 13, 2026Option exercise(M)3K—$019K
Mar 13, 2026Option exercise(M)2K—$022K
Mar 13, 2026Option exercise(M)6K—$023K

Transaction Codes

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

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0002024218-26-000034) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML