Donahue Joseph B 4

What Happened

• Joseph B. Donahue, a director of MKS Inc (MKSI), sold 2,100 shares in an open‑market sale on May 27, 2026. The reporting Form 4 lists a weighted average sale price of $327.95, for total proceeds of approximately $688,703. This was a sale (S), which is often routine portfolio management rather than a direct signal about company prospects.

Key Details

• Transaction date: 2026-05-27; Form filed: 2026-05-28 (timely).
• Shares sold: 2,100; weighted average price reported: $327.95; total proceeds: ~$688,703.
• Price range: executed in multiple trades at $327.90 to $328.21 (weighted average reported; full trade-by-trade breakdown available on request per footnote).
• Shares owned after the transaction: Not disclosed in this Form 4.
• Transaction code: S = Sale. No 10b5-1 plan, option exercise, gift, or tax‑withholding notation reported in this filing.

Context

• Sales by directors can be routine (diversification, liquidity needs) and do not by themselves confirm a change in insider sentiment. For a fuller picture, check other recent insider filings and the director’s total holdings disclosed in previous Form 4s.