MKS INC 4

Elizabeth Mora sold 300 shares of MKS INC common stock at about $250.96 per share under a Rule 10b5-1 trading plan.

On September 1, 2026, reporting person Elizabeth Mora sold 300 shares of MKS INC common stock at an average price of approximately $250.96 per share, for total proceeds of about $75,288. Following this Rule 10b5-1 plan trade, she directly owns approximately 18,845.353 shares of MKS INC common stock. The transaction appears to be a modest-sized, pre-planned sale consistent with routine portfolio diversification rather than a significant change in insider ownership.

Filing Facts

CIK

1049502

Ticker

MKSI

Form

4

Source Type

sec

Accession

0001049502-26-000119

Alert Tier

5