SEC CIK 1732461

McCarthy Michelle M

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

Current Positions

CompanyShares OwnedAs Of
MKSIview stock →1.5492026-06-05

Position History — MKSI

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

01,2702,5413,8112026-022026-022026-042026-042026-042026-042026-06

Recent Filings — MKSI

DateActivitySharesPriceOwned After
2026-06-05Open-market sale2,434$315.231.549
2026-04-15Option exercise (derivative)1,7367,388.16
2026-04-15Option exercise (derivative)1,1079,124.16
2026-04-15Option exercise (derivative)96810,231.16
2026-04-15Grant / award (derivative)1,672.86211,199.16
2026-04-15Tax withholding1,375.451$274.152,435.549
2026-04-15Option exercise1,7363,811
2026-04-15Option exercise1,1072,075
2026-04-15Option exercise968968
2026-02-20Open-market sale816$250.350
2026-02-20Open-market sale650$249.57816

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