SEC CIK 1710173
Williams John Edward
Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.
Current Positions
| Company | Shares Owned | As Of |
|---|---|---|
| MKSIview stock → | 4,097.844 | 2026-08-03 |
Position History — MKSI
Reported shares owned immediately after each Form 4 transaction, over time.
Recent Filings — MKSI
| Date | Activity | Shares | Price | Owned After |
|---|---|---|---|---|
| 2026-08-03 | Open-market sale | 457 | $288.31 | 4,097.844 |
| 2026-04-17 | Option exercise (derivative) | 1,740.714 | — | 6,812.003 |
| 2026-04-17 | Tax withholding | 825.969 | $269.89 | 4,554.844 |
| 2026-04-17 | Option exercise | 1,740.714 | — | 5,380.813 |
| 2026-02-20 | Open-market sale | 2,042.625 | $256.41 | 3,640.099 |
| 2026-02-17 | Option exercise (derivative) | 300.39 | — | 11,490.44 |
| 2026-02-17 | Grant / award (derivative) | 1,473.72 | — | 11,790.83 |
| 2026-02-17 | Option exercise (derivative) | 841 | — | 10,649.44 |
| 2026-02-17 | Option exercise (derivative) | 990.72 | — | 9,658.72 |
| 2026-02-17 | Option exercise (derivative) | 1,106 | — | 8,552.72 |
| 2026-02-17 | Option exercise | 300.39 | — | 3,940.49 |
| 2026-02-17 | Tax withholding | 1,195.49 | $260.74 | 5,682.72 |
| 2026-02-17 | Option exercise | 1,106 | — | 6,878.21 |
| 2026-02-17 | Option exercise | 990.72 | — | 5,772.21 |
| 2026-02-17 | Option exercise | 841 | — | 4,781.49 |
| 2026-02-08 | Grant / award (derivative) | 2,973.36 | — | 10,317.11 |
| 2025-08-15 | Option exercise (derivative) | 947.29 | — | 7,343.75 |
| 2025-08-15 | Tax withholding | 308 | $104.73 | 3,640.1 |
| 2025-08-15 | Option exercise | 947.29 | — | 3,948.1 |
| 2025-04-17 | Option exercise (derivative) | 1,740 | — | 8,291.04 |
| 2025-04-17 | Tax withholding | 565 | $63.69 | 3,000.81 |
| 2025-04-17 | Option exercise | 1,740 | — | 3,565.81 |
| 2025-02-18 | Option exercise (derivative) | 299.88 | — | 10,872.04 |
| 2025-02-18 | Option exercise (derivative) | 914.9 | — | 11,829.95 |
| 2025-02-18 | Option exercise (derivative) | 841 | — | 10,031.04 |
| 2025-02-18 | Grant / award (derivative) | 3,318.48 | — | 12,744.85 |
| 2025-02-18 | Option exercise (derivative) | 658.03 | — | 11,171.92 |
| 2025-02-18 | Option exercise | 658.03 | — | 1,585.93 |
| 2025-02-18 | Option exercise | 841 | — | 2,726.81 |
| 2025-02-18 | Option exercise | 299.88 | — | 1,885.81 |
| 2025-02-18 | Option exercise | 914.9 | — | 927.9 |
| 2025-02-18 | Tax withholding | 901 | $103.67 | 1,825.81 |
| 2025-02-10 | Grant / award (derivative) | 901.17 | — | 9,426.37 |
| 2024-08-16 | Open-market sale | 1,800 | $118.71 | 13 |
| 2024-08-15 | Option exercise (derivative) | 946 | — | 8,525.21 |
| 2024-08-15 | Tax withholding | 307 | $113.91 | 1,813 |
| 2024-08-15 | Option exercise | 946 | — | 2,120 |
| 2024-05-15 | Grant / award (derivative) | 2,524.27 | — | 9,471.21 |
| 2024-05-12 | — | — | — | 1,174 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.