Burke Kathleen Flaherty
SEC CIK 1775435 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| MKSI | MKS INC | SVP, GC, Sec | 49.4K | — | $4.54M | 20 | 2021-10-28 | 2026-05-11 |
Most active insiders at MKSI, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Lee John Tseng-Chung | Pres, CEO, Dir | — | $13.88M |
| 2 | COLELLA GERALD G | Dir | — | $11.74M |
| 3 | Henry David Philip | EVP, Gbl Str Mktg, GM, MSD | — | $3.24M |
| 4 | Mayampurath Ramakumar | EVP, CFO | — | $2.78M |
| 5 | Schreiner James Alan | EVP, COO | — | $2.60M |
| 6 | Burke Kathleen Flaherty | EVP, GC, Sec | — | $2.46M |
| 7 | Taranto Eric Robert | EVP, GM, VSD | — | $2.28M |
| 8 | McCarthy Michelle M | VP, CAO | — | $1.13M |
| 9 | Moloney Jacqueline F | Dir | — | $1.07M |
| 10 | CANNONE PETER III | Dir | — | $732.2K |
Transactions 20
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-05-12 15:09 | 2026-05-11 | MKSI | MKS INC | Burke Kathleen Flaherty | EVP, GC, Sec | S - Sale | $319.94 | -4,355 | 49.4K | -8% | -$1.39M | |
| 2026-02-23 | 2026-02-20 | MKSI | MKS INC | Burke Kathleen Flaherty | EVP, GC, Sec | S - Sale | $250.00 | -4,254 | 53.8K | -7% | -$1.06M | |
| DM | 2026-02-18 | 2026-02-17 | MKSI | MKS INC | Burke Kathleen Flaherty | EVP, GC, Sec | M - OptEx | — | +12.2K | 57.0K | +27% | — |
| D | 2026-02-18 | 2026-02-17 | MKSI | MKS INC | Burke Kathleen Flaherty | EVP, GC, Sec | F - Tax | $260.74 | -5,318 | 58.0K | -8% | -$1.39M |
| DM | 2025-11-04 | 2025-10-31 | MKSI | MKS INC | Burke Kathleen Flaherty | EVP, GC, Sec | M - OptEx | — | +777 | 51.2K | +2% | — |
| D | 2025-11-04 | 2025-10-31 | MKSI | MKS INC | Burke Kathleen Flaherty | EVP, GC, Sec | F - Tax | $143.71 | -777 | 51.1K | -1% | -$111.7K |
| DM | 2025-02-19 | 2025-02-18 | MKSI | MKS INC | Burke Kathleen Flaherty | EVP, GC, Sec | M - OptEx | — | +11.6K | 53.2K | +28% | — |
| D | 2025-02-19 | 2025-02-18 | MKSI | MKS INC | Burke Kathleen Flaherty | EVP, GC, Sec | F - Tax | $103.67 | -3,970 | 50.9K | -7% | -$411.6K |
| 2024-03-04 | 2024-03-01 | MKSI | MKS INC | Burke Kathleen Flaherty | EVP, GC, Sec | S - Sale | $122.89 | -7,411 | 43.0K | -15% | -$910.7K | |
| DM | 2024-02-16 | 2024-02-15 | MKSI | MKS INC | Burke Kathleen Flaherty | EVP, GC, Sec | M - OptEx | — | +12.5K | 53.5K | +30% | — |
| D | 2024-02-16 | 2024-02-15 | MKSI | MKS INC | Burke Kathleen Flaherty | EVP, GC, Sec | F - Tax | $122.15 | -4,912 | 50.4K | -9% | -$600.0K |
| M | 2023-08-08 | 2023-08-07 | MKSI | MKS INC | Burke Kathleen Flaherty | EVP, GC, Sec | S - Sale | $101.23 | -11.6K | 42.7K | -21% | -$1.17M |
| D | 2023-02-16 | 2023-02-15 | MKSI | MKS INC | Burke Kathleen Flaherty | EVP, GC, Sec | F - Tax | $100.29 | -3,474 | 54.2K | -6% | -$348.4K |
| DM | 2023-02-16 | 2023-02-15 | MKSI | MKS INC | Burke Kathleen Flaherty | EVP, GC, Sec | M - OptEx | — | +10.1K | 57.6K | +21% | — |
| D | 2022-10-31 | 2022-10-28 | MKSI | MKS INC | Burke Kathleen Flaherty | SVP, GC, Sec | M - OptEx | — | +2,179 | 48.4K | +5% | — |
| D | 2022-10-31 | 2022-10-28 | MKSI | MKS INC | Burke Kathleen Flaherty | SVP, GC, Sec | F - Tax | $84.58 | -967 | 47.4K | -2% | -$81.8K |
| DM | 2022-02-16 | 2022-02-15 | MKSI | MKS INC | Burke Kathleen Flaherty | SVP, GC, Sec | M - OptEx | — | +9,038 | 49.8K | +22% | — |
| D | 2022-02-16 | 2022-02-15 | MKSI | MKS INC | Burke Kathleen Flaherty | SVP, GC, Sec | F - Tax | $152.55 | -3,708 | 46.1K | -7% | -$565.7K |
| D | 2021-10-29 | 2021-10-28 | MKSI | MKS INC | Burke Kathleen Flaherty | SVP, GC, Sec | F - Tax | $145.74 | -967 | 40.7K | -2% | -$140.9K |
| D | 2021-10-29 | 2021-10-28 | MKSI | MKS INC | Burke Kathleen Flaherty | SVP, GC, Sec | M - OptEx | — | +2,179 | 41.7K | +6% | — |
Purchase Sale Sale after option exercise All abbreviations