Insider · CIK 0001710173
John Edward Williams
Files at: MKSI, ESIO. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 3, 2026 SForm 4 → | Aug 4, 12:21 pm EDT | MKS INCMKSI | 457 | $288.31 | $131,758 | 4,098 | −10.0% | 10b5-1 |
| Feb 1, 2019 DForm 4 → | Feb 1, 5:44 pm EST | ELECTRO SCIENTIFIC INDUSTRIES INCESIO | 58,131 | $30.00 | $366,930 | 0 | — | plan? |
| May 9, 2018 AForm 4 → | May 11, 7:28 pm EDT | ELECTRO SCIENTIFIC INDUSTRIES INCESIO | 7,300 | — | — | 67,100 | — | plan? |
| Feb 28, 2018 SForm 4 → | Mar 2, 7:00 pm EST | ELECTRO SCIENTIFIC INDUSTRIES INCESIO | 5,000 | $18.05 | $90,274 | 59,800 | −7.72% | plan? |
| Feb 27, 2018 FForm 4 → | May 15, 6:46 pm EDT | ELECTRO SCIENTIFIC INDUSTRIES INCESIO | 8,969 | $17.85 | $160,081 | 58,131 | — | plan? late |
| May 11, 2017 AForm 4 → | Sep 12, 6:17 pm EDT | ELECTRO SCIENTIFIC INDUSTRIES INCESIO | 4,800 | — | — | 64,800 | — | plan? late |
Reported trades — derivatives (options, RSUs, warrants)
No reported derivative activity in this period.