Williams John Edward
SEC insider (Form 3/4/5 filer). CIK 0001710173. EVP & GM, PSD at MKS INC (MKSI). 22 reported Form 4/5 transactions since Sep 2024; latest on Aug 3, 2026. Located in ANDOVER, MA.
Companies Williams John Edward has filed insider reports for
- MKS INC (MKSI): Officer, EVP & GM, PSD
Williams John Edward
CIK: 0001710173
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)2 (9.1%)
Position reduction
Option Exercises (M)11 (50.0%)
Derivative conversions
Awards (A)4 (18.2%)
Compensation grants
Other (G, F, J, C, D, …)5 (22.7%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
MKSI
MKS INC
Officer
Discretionary Trading P&L
Holdings
Transaction History (22 total)
- Aug 3, 2026MKSI
MKS INC
SaleDirect457 shares at avg. $288.31$132K - Apr 17, 2026MKSI
MKS INC
ExerciseDirect1.7K shares- - Apr 17, 2026MKSI
MKS INC
Tax PaymentDirect826 shares at avg. $269.89$223K - Feb 20, 2026MKSI
MKS INC
SaleDirect2K shares at avg. $256.41$524K - Feb 17, 2026MKSI
MKS INC
Tax PaymentDirect1.2K shares at avg. $260.74$312K - Feb 17, 2026MKSI
MKS INC
ExerciseDirect1.1K shares- - Feb 17, 2026MKSI
MKS INC
ExerciseDirect841 shares- - Feb 17, 2026MKSI
MKS INC
ExerciseDirect300 shares- - Feb 17, 2026MKSI
MKS INC
ExerciseDirect991 shares- - Feb 17, 2026MKSI
MKS INC
AwardDirectRestricted Stock Unit
1.5K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 3, 2026 | MKSI MKS INC | Sale | 457 | $288.31 | $131,758 | Direct |
| Apr 17, 2026 | MKSI MKS INC | Exercise | 1,741 | - | $0 | Direct |
| Apr 17, 2026 | MKSI MKS INC | Tax Payment | 826 | $269.89 | $222,921 | Direct |
| Feb 20, 2026 | MKSI MKS INC | Sale | 2,043 | $256.41 | $523,744 | Direct |
| Feb 17, 2026 | MKSI MKS INC | Tax Payment | 1,195 | $260.74 | $311,711 | Direct |
| Feb 17, 2026 | MKSI MKS INC | Exercise | 1,106 | - | $0 | Direct |
| Feb 17, 2026 | MKSI MKS INC | Exercise | 841 | - | $0 | Direct |
| Feb 17, 2026 | MKSI MKS INC | Exercise | 300 | - | $0 | Direct |
| Feb 17, 2026 | MKSI MKS INC | Exercise | 991 | - | $0 | Direct |
| Feb 17, 2026 | MKSI MKS INC | Award Restricted Stock Unit | 1,474 | - | - | Direct |
1-10 of 22 transactions