Burke Kathleen Flaherty
Insider transactions at 1 company
This page shows all SEC Form 4 filings attributed to Burke Kathleen Flaherty. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.
| Company | Title | Type | Shares | Price | Value | Date |
|---|---|---|---|---|---|---|
| MKSI | EVP, GC & Secretary | Option Exercise | 158 | — | — | Oct 31, 2025 |
| MKSI | EVP, GC & Secretary | Option Exercise | 588 | — | — | Feb 18, 2025 |
| MKSI | EVP, GC & Secretary | Sale | 7,411 | $122.89 | $910,738 | Mar 1, 2024 |
| MKSI | EVP, GC & Secretary | Option Exercise | 3,608 | — | — | Feb 15, 2024 |
| MKSI | EVP, GC & Secretary | Sale | 5,377 | $101.40 | $545,235 | Aug 7, 2023 |
| MKSI | EVP, GC & Secretary | Option Exercise | 1,645 | — | — | Feb 15, 2023 |
| MKSI | Sr. VP, GC & Secretary | Tax Withholding | 967 | $84.58 | $81,789 | Oct 28, 2022 |
| MKSI | Sr. VP, GC & Secretary | Tax Withholding | 3,708 | $152.55 | $565,655 | Feb 15, 2022 |
| MKSI | Sr. VP, GC & Secretary | Option Exercise | 2,179 | — | — | Oct 28, 2021 |
| MKSI | Sr. VP, GC & Secretary | Option Exercise | 1,071 | — | — | Feb 16, 2021 |
| MKSI | Sr. VP, GC & Secretary | Option Exercise | 1,071 | — | — | Feb 18, 2020 |
| MKSI | Sr. VP, GC & Secretary | Sale | 10,384 | $110.55 | $1,147,951 | Oct 30, 2019 |