Williams John Edward

Officer · MKSI

As of 2026-09-16, Williams John Edward has 59 Form 4 transactions on record across 1 company — 28 in the trailing 12 months.

Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.

Reconstructed holdings

Direct: $964KIndirect: $0$964Kas of 2026-09-16
  • Direct $964K
  • Indirect $0
MKSIdirect4,098 sh$964K

Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.

Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.

Trades by company

MKSI · 59 trades
2026-08-03: Sale, 457 sh ($132K)2026-04-17: Withheld for tax, 826 sh ($223K)2026-04-17: Option exercise, 1,741 sh2026-04-17: Option exercise, 1,741 sh2026-04-17: Option exercise, 1,741 sh2026-04-17: Option exercise, 1,741 sh2026-02-20: Sale, 2,043 sh ($524K)2026-02-17: Withheld for tax, 1,195 sh ($312K)2026-02-17: Option exercise, 300 sh2026-02-17: Option exercise, 1,106 sh2026-02-17: Option exercise, 1,106 sh2026-02-17: Option exercise, 841 sh2026-02-17: Option exercise, 300 sh2026-02-17: Award / grant, 1,474 sh2026-02-17: Option exercise, 1,106 sh2026-02-17: Option exercise, 991 sh2026-02-17: Option exercise, 841 sh2026-02-17: Option exercise, 300 sh2026-02-17: Option exercise, 841 sh2026-02-17: Option exercise, 991 sh2026-02-17: Option exercise, 841 sh2026-02-17: Option exercise, 300 sh2026-02-17: Award / grant, 1,474 sh2026-02-17: Option exercise, 1,106 sh2026-02-17: Option exercise, 991 sh2026-02-17: Option exercise, 991 sh2026-02-08: Award / grant, 2,973 sh2026-02-08: Award / grant, 2,973 sh2025-08-15: Withheld for tax, 308 sh ($32K)2025-08-15: Option exercise, 947 sh2025-08-15: Option exercise, 947 sh2025-08-15: Option exercise, 947 sh2025-08-15: Option exercise, 947 sh2025-04-17: Withheld for tax, 565 sh ($36K)2025-04-17: Option exercise, 1,740 sh2025-04-17: Option exercise, 1,740 sh2025-04-17: Option exercise, 1,740 sh2025-04-17: Option exercise, 1,740 sh2025-02-18: Withheld for tax, 901 sh ($93K)2025-02-18: Option exercise, 841 sh2025-02-18: Option exercise, 300 sh2025-02-18: Option exercise, 658 sh2025-02-18: Option exercise, 915 sh2025-02-18: Option exercise, 841 sh2025-02-18: Option exercise, 300 sh2025-02-18: Option exercise, 658 sh2025-02-18: Option exercise, 915 sh2025-02-18: Award / grant, 3,318 sh2025-02-18: Option exercise, 841 sh2025-02-18: Option exercise, 300 sh2025-02-18: Option exercise, 915 sh2025-02-18: Option exercise, 658 sh2025-02-18: Option exercise, 300 sh2025-02-18: Option exercise, 658 sh2025-02-18: Option exercise, 915 sh2025-02-18: Option exercise, 841 sh2025-02-18: Award / grant, 3,318 sh2025-02-10: Award / grant, 901 sh2025-02-10: Award / grant, 901 sh

Filing ledger

DateCompanyActionShares @ priceValueOwnership ΔOwned afterFiling
2026-08-03MKSISale457 @ $288.31$132K−10.0% of holding4,098Form 4
2026-02-20MKSISale2,043 @ $256.41$524K−35.9% of holding3,640Form 4
57 award / exercise / gift records — not counted as purchases
DateCompanyActionSharesOwned afterFiling
2026-04-17MKSIWithheld for tax8264,555Form 4
2026-04-17MKSIOption exercise1,7416,812Form 4
2026-04-17MKSIOption exercise1,7415,381Form 4
2026-04-17MKSIOption exercise1,7415,381Form 4
2026-04-17MKSIOption exercise1,7416,812Form 4
2026-02-17MKSIWithheld for tax1,1955,683Form 4
2026-02-17MKSIOption exercise3003,940Form 4
2026-02-17MKSIOption exercise1,1068,553Form 4
2026-02-17MKSIOption exercise1,1068,553Form 4
2026-02-17MKSIOption exercise84110,649Form 4
2026-02-17MKSIOption exercise30011,490Form 4
2026-02-17MKSIAward / grant1,47411,791Form 4
2026-02-17MKSIOption exercise1,1066,878Form 4
2026-02-17MKSIOption exercise9915,772Form 4
2026-02-17MKSIOption exercise8414,781Form 4
2026-02-17MKSIOption exercise3003,940Form 4
2026-02-17MKSIOption exercise8414,781Form 4
2026-02-17MKSIOption exercise9919,659Form 4
2026-02-17MKSIOption exercise84110,649Form 4
2026-02-17MKSIOption exercise30011,490Form 4
2026-02-17MKSIAward / grant1,47411,791Form 4
2026-02-17MKSIOption exercise1,1066,878Form 4
2026-02-17MKSIOption exercise9915,772Form 4
2026-02-17MKSIOption exercise9919,659Form 4
2026-02-08MKSIAward / grant2,97310,317Form 4
2026-02-08MKSIAward / grant2,97310,317Form 4
2025-08-15MKSIWithheld for tax3083,640Form 4
2025-08-15MKSIOption exercise9473,948Form 4
2025-08-15MKSIOption exercise9473,948Form 4
2025-08-15MKSIOption exercise9477,344Form 4
2025-08-15MKSIOption exercise9477,344Form 4
2025-04-17MKSIWithheld for tax5653,001Form 4
2025-04-17MKSIOption exercise1,7408,291Form 4
2025-04-17MKSIOption exercise1,7403,566Form 4
2025-04-17MKSIOption exercise1,7403,566Form 4
2025-04-17MKSIOption exercise1,7408,291Form 4
2025-02-18MKSIWithheld for tax9011,826Form 4
2025-02-18MKSIOption exercise8412,727Form 4
2025-02-18MKSIOption exercise3001,886Form 4
2025-02-18MKSIOption exercise6581,586Form 4

Source: SEC Form 4 filings. Each row links to its original filing.

Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.