Michelle M. McCarthy

Michelle M. McCarthy: SVP & Chief Accounting Officer at MKS. What Michelle M. McCarthy holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.

MKS (MKSI)

Michelle M. McCarthy holds 2 MKS shares (0.00% of the company), worth about $327.24 at the last price, according to the Form 4 of Jun 5, 2026.

• Shares held: 2 (0.00%), $327.24 — Held in their own name.
• Share units: 7,388 (0.01%), $1.6M — MKS promised them as pay: each unit becomes a share when it vests, if its conditions are met. No vote until then.

Declarations

• MKS (MKSI) — Form 4 of Jun 5, 2026 (SVP & Chief Accounting Officer): open-market sale of 2,434 at $315.23; 2 shares after 0001049502-26-000105
• MKS (MKSI) — Form 4 of Apr 15, 2026 (SVP & Chief Accounting Officer): option exercise or conversion of 968; option exercise or conversion of 1,107; 2,436 shares after 0001049502-26-000059
• MKS (MKSI) — Form 4 of Feb 20, 2026 (VP & Chief Accounting Officer): open-market sale of 650 at $249.57; open-market sale of 816 at $250.35; 0 shares after 0001049502-26-000038
• MKS (MKSI) — Form 4 of Apr 15, 2025 (VP & Chief Accounting Officer): option exercise or conversion of 968; option exercise or conversion of 1,106; 1,466 shares after 0001127602-25-012218
• MKS (MKSI) — Form 4 of Aug 15, 2024 (VP & Chief Accounting Officer) 0001127602-24-022408

Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.

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