Williams John Edward 4

What Happened John Edward Williams, EVP & GM, PSD at MKS Inc (MKSI), was granted 2,973.357 restricted stock units (RSUs) on February 8, 2026. These RSUs are performance-based awards (reported as a derivative grant) and do not show a purchase price; they represent the contingent right to receive up to 2,973.357 shares of MKS common stock if performance conditions are met.

Key Details

• Transaction type: Award/Grant of RSUs (code A) on 2026-02-08.
• Amount: 2,973.357 RSUs. No per-share price or immediate cash value reported (N/A).
• Vesting: Performance achievement was determined Feb 8, 2026; awards vest in three equal annual installments beginning Feb 15, 2026 (or the next business day if Feb 15 is not a business day).
• RSU meaning: Each RSU equals the contingent right to one share of MKS common stock (footnote).
• Shares owned after transaction: Not disclosed in this Form 4.
• Filing timeliness: Filed Feb 9, 2026 for a transaction on Feb 8, 2026 (filed within the standard reporting window).

Context These are restricted stock units tied to performance criteria — not an open-market buy or sale — so they indicate compensation rather than a direct bullish or bearish trade by the insider. The eventual value and share delivery depend on meeting the stated performance conditions and the company’s stock price at settlement/vesting.