John Edward Williams serves as Executive at ELECTRO SCIENTIFIC INDUSTRIES INC, where they oversee executive responsibilities. Since joining the company, John Edward Williams has executed 15 insider transactions totaling $827.7K, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 20, 2026 involved selling 2,042.63 shares valued at $523.7K.
John Edward Williams currently holds 3,640.1 shares of ELECTRO SCIENTIFIC INDUSTRIES INC (ESIO), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, John Edward Williams has been a net seller of ESIO stock. They have purchased $0 and sold $827.7K worth of shares.
John Edward Williams's most recent insider trade was on Feb 20, 2026, when they sold 2,042.63 shares at $256.41 per share.
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| $N/A |
| Discretionary |
| Aug 15, 2025 | MKSI | $32.3K | Payment | 308 | $104.73 | Discretionary |
| Aug 15, 2025 | MKSI | $0 | Option Exercise | 947.29 | $N/A | Discretionary |
| Aug 16, 2024 | MKSI | $213.7K | Sale | 1,800 | $118.71 | Discretionary |
| Aug 15, 2024 | MKSI | $35.0K | Payment | 307 | $113.91 | Discretionary |
| Aug 15, 2024 | MKSI | $0 | Option Exercise | 946 | $N/A | Discretionary |
| Feb 1, 2019 | ESIO | $366.9K | Disposition | 12,231 | $30.00 | Discretionary |
| Feb 1, 2019 | ESIO | $0 | Disposition | 45,900 | $N/A | Discretionary |
| May 11, 2018 | ESIO | $7.8K | Payment | 401 | $19.52 | Discretionary |
| May 9, 2018 | ESIO | $0 | Award | 7,300 | $N/A | Discretionary |
| Feb 28, 2018 | ESIO | $90.3K | Sale | 5,000 | $18.05 | Discretionary |
| Feb 27, 2018 | ESIO | $117.9K | Payment | 6,635 | $17.77 | Discretionary |
| Feb 27, 2018 | ESIO | $34.3K | Payment | 1,933 | $17.77 | Discretionary |
| May 11, 2017 | ESIO | $0 | Award | 4,800 | $N/A | Discretionary |