Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 9 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
May 11, 2026 MKSI A 782 · · 16,227 Direct +5.06% Acquired (price as of 2026-10-05)
May 12, 2025 MKSI A 2,479 · · 15,445 Direct +19.12% Acquired (price as of 2026-10-05)
May 7, 2024 MKSI A 1,622 · · 12,966 Direct +14.30% Acquired (price as of 2026-10-05)
May 16, 2023 MKSI A 2,369 · · 11,344 Direct +26.40% Acquired (price as of 2026-10-05)
May 10, 2022 MKSI A 1,745 · · 8,975 Direct +24.14% Acquired (price as of 2026-10-05)
May 11, 2021 MKSI A 1,147 · · 7,230 Direct +18.86% Acquired (price as of 2026-10-05)
May 11, 2020 MKSI A 1,989 · · 6,083 Direct +48.58% Acquired (price as of 2026-10-05)
May 8, 2019 MKSI A 1,980 · · 4,095 Direct +93.62% Acquired (price as of 2026-10-05)
Oct. 1, 2018 MKSI A 2,114 · · 2,114 Direct · Acquired (price as of 2026-10-05)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.