Arkolith/Insider Trading/MKSI/Form 4

Schreiner James Alan

EVP & COOMKS INC (MKSI) · full profile →Form 4 · filed Jun 16, 2026
Net Selling
Open-Market Buys
$0
Open-Market Sells
$1.2M
Net Open-Market Flow
-$1.2M
Transactions
3
3 non-derivative · 0 derivative

Non-Derivative Transactions (Table I)

DateActionSharesPriceValueOwned After
Jun 12, 2026Sell(S)2K$345.52$854K20K
Jun 12, 2026Sell(S)812$346.41$281K19K
Jun 12, 2026Sell(S)217$347.00$75K19K

Transaction Codes

S
Open-market sale

Data Source & Provenance

Parsed from a single SEC EDGAR Form 4 filing (accession 0001049502-26-000109) within minutes of acceptance. Every field above traces to the original document. Verify it directly:

View original filing on SEC.govRaw Form 4 XML