SEC CIK 1775435

Burke Kathleen Flaherty

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

Current Positions

CompanyShares OwnedAs Of
MKSIview stock →49,439.4852026-05-11

Position History — MKSI

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

017,93135,86353,7942026-022026-05

Recent Filings — MKSI

DateActivitySharesPriceOwned After
2026-05-11Open-market sale4,355$319.9449,439.485
2026-02-20Open-market sale4,254$250.0053,794.485

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