David Philip Henry

Companies

• MKS INCSVP, Corp Mkt, PMO & Glob Svc Feb 9, 2021 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• MKMKS INC MKSI10,422 shares²$2.3M at $225.48Jun 1, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Jun 1, 2026Sold 6,000 shares at $314.43 of MKS INC²
• May 26, 2026Sold 2,500 shares at $330.50 of MKS INC³
• Feb 20, 2026Sold 2,000 shares at $261.56 of MKS INC⁴
• Feb 17, 2026Shares withheld for tax 4,097 shares at $260.74 of MKS INC⁵
• Feb 17, 2026Exercised options 2,054 shares of MKS INC⁵
• Feb 17, 2026Exercised options 1,841 shares of MKS INC⁵
• Feb 17, 2026Exercised options 1,278 shares of MKS INC⁵
• Feb 17, 2026Exercised options 456 shares of MKS INC⁵
• Feb 17, 2026Exercised options 1,247 shares of MKS INC⁵
• Feb 17, 2026Exercised options 2,406 shares of MKS INC⁵
• Sep 18, 2025Sold 5,000 shares at $130.00 of MKS INC⁶
• Jul 3, 2025Sold 2,000 shares at $105.00 of MKS INC⁷
• Feb 18, 2025Shares withheld for tax 2,372 shares at $103.67 of MKS INC⁸
• Feb 18, 2025Exercised options 1,278 shares of MKS INC⁸
• Feb 18, 2025Exercised options 456 shares of MKS INC⁸
• Feb 18, 2025Exercised options 1,246 shares of MKS INC⁸
• Feb 18, 2025Exercised options 2,406 shares of MKS INC⁸
• Feb 18, 2025Exercised options 1,099 shares of MKS INC⁸
• Feb 18, 2025Exercised options 1,528 shares of MKS INC⁸
• Feb 15, 2024Shares withheld for tax 2,692 shares at $122.15 of MKS INC⁹
• Feb 15, 2024Exercised options 1,246 shares of MKS INC⁹
• Feb 15, 2024Exercised options 2,405 shares of MKS INC⁹
• Feb 15, 2024Exercised options 1,100 shares of MKS INC⁹
• Feb 15, 2024Exercised options 1,528 shares of MKS INC⁹
• Feb 15, 2024Exercised options 581 shares of MKS INC⁹