Arkolith/Insider Trading/MKSI/Form 4

McCarthy Michelle M

VP & Chief Accounting OfficerMKS INC (MKSI) · full profile →Form 4 · filed Feb 23, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$367K
Net Open-Market Flow
-$367K
Transactions
2
2 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Feb 20, 2026Sell(S)816$250.35$204K0
Feb 20, 2026Sell(S)650$249.57$162K816

Transaction Codes

S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001049502-26-000038) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML