September 18, 2025 · Form 4 insider transaction
Henry David Philip sold 5,000 shares of MKS Inc. at $130.00 per share, a transaction worth $650.0K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 1 day after the transaction.
This transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 12, 2025.