SEC CIK 1710173

Williams John Edward

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
MKSIview stock →4,097.8442026-08-03

Position History — MKSI

Reported shares owned immediately after each Form 4 transaction, over time.

01,7943,5875,3812026-022026-042026-042026-08

Recent Filings — MKSI

DateActivitySharesPriceOwned After
2026-08-03Open-market sale457$288.314,097.844
2026-04-17Option exercise (derivative)1,740.7146,812.003
2026-04-17Tax withholding825.969$269.894,554.844
2026-04-17Option exercise1,740.7145,380.813
2026-02-20Open-market sale2,042.625$256.413,640.099

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.