SEC CIK 1413323

Donahue Joseph B

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

Current Positions

CompanyShares OwnedAs Of
MKSIview stock →10,032.7042026-05-27

Position History — MKSI

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

04,0448,08812,1332026-052026-05

Recent Filings — MKSI

DateActivitySharesPriceOwned After
2026-05-27Open-market sale2,100$327.9510,032.704
2026-05-11Grant / award781.959—12,132.704

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