MKSI · MKS Inc. Common Stock
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| Carlyle Partners VI Cayman Holdings, L.P. 10% Owner | ▼ Sell | Open Market | 6,482,732 Shares held | 5/8/2023 | View profile |
| John Tseng-Chung Lee President & CEO | ▼ Sell | Open Market | 134,776 Shares held | 8/14/2026 | View profile |
| Kathleen Flaherty Burke Sr. VP, GC & Secretary | ▼ Sell | Open Market | 49,439 Shares held | 5/11/2026 | View profile |
| Gerald G. Colella Director | ▼ Sell | Open Market | 20,017 Shares held | 5/27/2026 | View profile |
| James Alan Schreiner Sr. VP & COO | ▼ Sell | Open Market | 19,201 Shares held | 6/12/2026 | View profile |
| Elizabeth Mora Director | ▼ Sell | Open Market | 18,845 Shares held | 9/1/2026 | View profile |
| Raj Batra Director | ▲ Buy | Grant | 16,227 Shares held | 5/11/2026 | View profile |
| Gitin Mark Milton SVP & GM, L&M Division | ▼ Sell | Tax Withholding | 16,134 Shares held | 2/15/2024 | View profile |
| Eric Robert Taranto SVP & GM, V&A Division | ▼ Sell | Open Market | 12,596 Shares held | 5/11/2026 | View profile |
| Warner Michelle M Director | ▲ Buy | Grant | 10,852 Shares held | 5/7/2024 | View profile |
| David Philip Henry SVP, Corp Mkt, PMO & Glob Svc | ▼ Sell | Open Market | 10,422 Shares held | 6/1/2026 | View profile |
| Joseph B. Donahue Director | ▼ Sell | Open Market | 10,033 Shares held | 5/27/2026 | View profile |
| Jacqueline F. Moloney Director | ▼ Sell | Open Market | 8,775 Shares held | 5/14/2026 | View profile |
| Peter Cannone III Director | ▼ Sell | Open Market | 7,794 Shares held | 5/18/2026 | View profile |
| Wissam G. Jabre EVP & CFO | ▲ Buy | Grant | 5,270 Shares held | 5/11/2026 | View profile |
| John Edward Williams EVP & GM, PSD | ▼ Sell | Open Market | 4,098 Shares held | 8/3/2026 | View profile |
| WILD GEOFFREY Director | ▲ Buy | Grant | 1,813 Shares held | 8/17/2022 | View profile |
| Michelle M. McCarthy VP, CAO | ▼ Sell | Open Market | 2 Shares held | 6/5/2026 | View profile |
| Ramakumar Mayampurath SVP, CFO, Treasurer | ▼ Sell | Open Market | 1 Shares held | 5/22/2026 | View profile |
| BAGSHAW SETH H Sr. VP, CFO & Treasurer | ▼ Sell | Open Market | 1 Shares held | 2/22/2024 | View profile |
Transaction History
| Elizabeth Mora | ▼ Sell | Open Market | 300 | $75K | 9/1/2026 |
| John Tseng-Chung Lee | ▼ Sell | Open Market | 10,000 | $3.0M | 8/14/2026 |
| John Edward Williams | ▼ Sell | Open Market | 457 | $132K | 8/3/2026 |
| James Alan Schreiner | ▼ Sell | Open Market | 217 | $75K | 6/12/2026 |
| James Alan Schreiner | ▼ Sell | Open Market | 2,471 | $854K | 6/12/2026 |
| James Alan Schreiner | ▼ Sell | Open Market | 812 | $281K | 6/12/2026 |
| James Alan Schreiner | ▼ Sell | Open Market | 781 | $248K | 6/10/2026 |
| Michelle M. McCarthy | ▼ Sell | Open Market | 2,434 | $767K | 6/5/2026 |
| Elizabeth Mora | ▼ Sell | Open Market | 300 | $95K | 6/1/2026 |
| David Philip Henry | ▼ Sell | Open Market | 6,000 | $1.9M | 6/1/2026 |
| Gerald G. Colella | ▼ Sell | Open Market | 464 | $153K | 5/27/2026 |
| Gerald G. Colella | ▼ Sell | Open Market | 8,210 | $2.7M | 5/27/2026 |
| Joseph B. Donahue | ▼ Sell | Open Market | 2,100 | $689K | 5/27/2026 |
| Gerald G. Colella | ▼ Sell | Open Market | 1,626 | $547K | 5/27/2026 |
| Gerald G. Colella | ▼ Sell | Open Market | 4,876 | $1.6M | 5/27/2026 |
| Gerald G. Colella | ▼ Sell | Open Market | 1,811 | $608K | 5/27/2026 |
| Gerald G. Colella | ▼ Sell | Open Market | 213 | $72K | 5/27/2026 |
| Gerald G. Colella | ▼ Sell | Open Market | 2,800 | $948K | 5/27/2026 |
| David Philip Henry | ▼ Sell | Open Market | 2,500 | $826K | 5/26/2026 |
| Ramakumar Mayampurath | ▼ Sell | Open Market | 8,810 | $2.8M | 5/22/2026 |
| John Tseng-Chung Lee | ▼ Sell | Open Market | 10,000 | $3.2M | 5/22/2026 |
| Peter Cannone III | ▼ Sell | Open Market | 1,350 | $410K | 5/18/2026 |
| Jacqueline F. Moloney | ▼ Sell | Open Market | 1,000 | $312K | 5/14/2026 |
| Jacqueline F. Moloney | ▼ Sell | Open Market | 1,400 | $447K | 5/13/2026 |
| Eric Robert Taranto | ▼ Sell | Open Market | 2,849 | $911K | 5/11/2026 |
| Wissam G. Jabre | ▲ Buy | Grant | 782 | — | 5/11/2026 |
| Jacqueline F. Moloney | ▲ Buy | Grant | 782 | — | 5/11/2026 |
| Elizabeth Mora | ▲ Buy | Grant | 782 | — | 5/11/2026 |
| Kathleen Flaherty Burke | ▼ Sell | Open Market | 4,355 | $1.4M | 5/11/2026 |
| Joseph B. Donahue | ▲ Buy | Grant | 782 | — | 5/11/2026 |
| Peter Cannone III | ▲ Buy | Grant | 782 | — | 5/11/2026 |
| Raj Batra | ▲ Buy | Grant | 782 | — | 5/11/2026 |
| Gerald G. Colella | ▲ Buy | Grant | 782 | — | 5/11/2026 |
| John Edward Williams | ▲ Buy | Option Exercise | 1,741 | — | 4/17/2026 |
| John Edward Williams | ▼ Sell | Tax Withholding | 826 | $223K | 4/17/2026 |
| Michelle M. McCarthy | ▲ Buy | Option Exercise | 1,107 | — | 4/15/2026 |
| Michelle M. McCarthy | ▲ Buy | Option Exercise | 1,736 | — | 4/15/2026 |
| Michelle M. McCarthy | ▼ Sell | Tax Withholding | 1,375 | $377K | 4/15/2026 |
| Michelle M. McCarthy | ▲ Buy | Option Exercise | 968 | — | 4/15/2026 |
| Jacqueline F. Moloney | ▼ Sell | Open Market | 340 | $73K | 3/12/2026 |
| Eric Robert Taranto | ▼ Sell | Open Market | 4,568 | $1.0M | 3/6/2026 |
| Elizabeth Mora | ▼ Sell | Open Market | 300 | $72K | 3/2/2026 |
| James Alan Schreiner | ▼ Sell | Open Market | 4,100 | $1.0M | 2/24/2026 |
| Gerald G. Colella | ▼ Sell | Open Market | 10,000 | $2.5M | 2/24/2026 |
| John Tseng-Chung Lee | ▼ Sell | Open Market | 12,812 | $3.3M | 2/20/2026 |
| Jacqueline F. Moloney | ▼ Sell | Open Market | 829 | $205K | 2/20/2026 |
| Michelle M. McCarthy | ▼ Sell | Open Market | 816 | $204K | 2/20/2026 |
| John Edward Williams | ▼ Sell | Open Market | 2,043 | $524K | 2/20/2026 |
| John Tseng-Chung Lee | ▼ Sell | Open Market | 13,310 | $3.4M | 2/20/2026 |
| Kathleen Flaherty Burke | ▼ Sell | Open Market | 4,254 | $1.1M | 2/20/2026 |
| John Tseng-Chung Lee | ▼ Sell | Open Market | 1,988 | $513K | 2/20/2026 |
| John Tseng-Chung Lee | ▼ Sell | Open Market | 1,890 | $491K | 2/20/2026 |
| Peter Cannone III | ▼ Sell | Open Market | 1,250 | $323K | 2/20/2026 |
| Eric Robert Taranto | ▼ Sell | Open Market | 1,453 | $360K | 2/20/2026 |
| David Philip Henry | ▼ Sell | Open Market | 2,000 | $523K | 2/20/2026 |
| Michelle M. McCarthy | ▼ Sell | Open Market | 650 | $162K | 2/20/2026 |
| Gerald G. Colella | ▼ Sell | Open Market | 10,000 | $2.5M | 2/20/2026 |
| Kathleen Flaherty Burke | ▲ Buy | Option Exercise | 2,336 | — | 2/17/2026 |
| Eric Robert Taranto | ▲ Buy | Option Exercise | 1,764 | — | 2/17/2026 |
| Eric Robert Taranto | ▲ Buy | Option Exercise | 914 | — | 2/17/2026 |
| Eric Robert Taranto | ▲ Buy | Option Exercise | 976 | — | 2/17/2026 |
| Eric Robert Taranto | ▲ Buy | Option Exercise | 1,167 | — | 2/17/2026 |
| Eric Robert Taranto | ▲ Buy | Option Exercise | 1,303 | — | 2/17/2026 |
| Eric Robert Taranto | ▼ Sell | Tax Withholding | 2,712 | $707K | 2/17/2026 |
| David Philip Henry | ▲ Buy | Option Exercise | 1,247 | — | 2/17/2026 |
| David Philip Henry | ▲ Buy | Option Exercise | 456 | — | 2/17/2026 |
| David Philip Henry | ▲ Buy | Option Exercise | 1,278 | — | 2/17/2026 |
| David Philip Henry | ▲ Buy | Option Exercise | 1,841 | — | 2/17/2026 |
| David Philip Henry | ▲ Buy | Option Exercise | 2,054 | — | 2/17/2026 |
| David Philip Henry | ▼ Sell | Tax Withholding | 4,097 | $1.1M | 2/17/2026 |
| Eric Robert Taranto | ▲ Buy | Option Exercise | 348 | — | 2/17/2026 |
| David Philip Henry | ▲ Buy | Option Exercise | 2,406 | — | 2/17/2026 |
| James Alan Schreiner | ▲ Buy | Option Exercise | 2,567 | — | 2/17/2026 |
| James Alan Schreiner | ▲ Buy | Option Exercise | 1,330 | — | 2/17/2026 |
| James Alan Schreiner | ▲ Buy | Option Exercise | 432 | — | 2/17/2026 |
| James Alan Schreiner | ▲ Buy | Option Exercise | 1,211 | — | 2/17/2026 |
| James Alan Schreiner | ▲ Buy | Option Exercise | 1,741 | — | 2/17/2026 |
| James Alan Schreiner | ▲ Buy | Option Exercise | 1,944 | — | 2/17/2026 |
| James Alan Schreiner | ▼ Sell | Tax Withholding | 4,344 | $1.1M | 2/17/2026 |
| Kathleen Flaherty Burke | ▲ Buy | Option Exercise | 2,493 | — | 2/17/2026 |
| Kathleen Flaherty Burke | ▼ Sell | Tax Withholding | 5,318 | $1.4M | 2/17/2026 |
| John Tseng-Chung Lee | ▲ Buy | Option Exercise | 22,088 | — | 2/17/2026 |
| John Tseng-Chung Lee | ▲ Buy | Option Exercise | 7,654 | — | 2/17/2026 |
| John Tseng-Chung Lee | ▲ Buy | Option Exercise | 7,208 | — | 2/17/2026 |
| John Tseng-Chung Lee | ▲ Buy | Option Exercise | 16,989 | — | 2/17/2026 |
| John Tseng-Chung Lee | ▲ Buy | Option Exercise | 12,091 | — | 2/17/2026 |
| John Tseng-Chung Lee | ▼ Sell | Tax Withholding | 32,548 | $8.5M | 2/17/2026 |
| John Edward Williams | ▲ Buy | Option Exercise | 300 | — | 2/17/2026 |
| John Edward Williams | ▲ Buy | Option Exercise | 841 | — | 2/17/2026 |
| John Edward Williams | ▲ Buy | Option Exercise | 991 | — | 2/17/2026 |
| John Edward Williams | ▲ Buy | Option Exercise | 1,106 | — | 2/17/2026 |
| John Edward Williams | ▼ Sell | Tax Withholding | 1,195 | $312K | 2/17/2026 |
| Ramakumar Mayampurath | ▲ Buy | Option Exercise | 2,958 | — | 2/17/2026 |
| Ramakumar Mayampurath | ▲ Buy | Option Exercise | 2,702 | — | 2/17/2026 |
| Ramakumar Mayampurath | ▼ Sell | Tax Withholding | 2,516 | $656K | 2/17/2026 |
| Kathleen Flaherty Burke | ▲ Buy | Option Exercise | 3,451 | — | 2/17/2026 |
| Kathleen Flaherty Burke | ▲ Buy | Option Exercise | 1,788 | — | 2/17/2026 |
| Kathleen Flaherty Burke | ▲ Buy | Option Exercise | 563 | — | 2/17/2026 |
| Kathleen Flaherty Burke | ▲ Buy | Option Exercise | 1,576 | — | 2/17/2026 |
| John Tseng-Chung Lee | ▲ Buy | Option Exercise | 3,859 | — | 2/17/2026 |
| Elizabeth Mora | ▼ Sell | Open Market | 300 | $48K | 12/2/2025 |
| Ramakumar Mayampurath | ▲ Buy | Option Exercise | 8,295 | — | 11/17/2025 |
| Ramakumar Mayampurath | ▼ Sell | Tax Withholding | 2,628 | $375K | 11/17/2025 |
| Kathleen Flaherty Burke | ▲ Buy | Option Exercise | 158 | — | 10/31/2025 |
| Kathleen Flaherty Burke | ▲ Buy | Option Exercise | 52 | — | 10/31/2025 |
| Kathleen Flaherty Burke | ▲ Buy | Option Exercise | 82 | — | 10/31/2025 |
| Kathleen Flaherty Burke | ▲ Buy | Option Exercise | 144 | — | 10/31/2025 |
| Kathleen Flaherty Burke | ▲ Buy | Option Exercise | 341 | — | 10/31/2025 |
| Kathleen Flaherty Burke | ▼ Sell | Tax Withholding | 777 | $112K | 10/31/2025 |
| John Tseng-Chung Lee | ▲ Buy | Option Exercise | 352 | — | 10/31/2025 |
| John Tseng-Chung Lee | ▲ Buy | Option Exercise | 1,651 | — | 10/31/2025 |
| John Tseng-Chung Lee | ▼ Sell | Tax Withholding | 2,003 | $288K | 10/31/2025 |
| James Alan Schreiner | ▼ Sell | Open Market | 711 | $99K | 10/22/2025 |
| Jacqueline F. Moloney | ▼ Sell | Open Market | 300 | $37K | 10/1/2025 |
| James Alan Schreiner | ▼ Sell | Open Market | 838 | $104K | 9/18/2025 |
| David Philip Henry | ▼ Sell | Open Market | 5,000 | $650K | 9/18/2025 |
| Elizabeth Mora | ▼ Sell | Open Market | 300 | $30K | 9/2/2025 |
| James Alan Schreiner | ▲ Buy | Option Exercise | 2,641 | — | 8/18/2025 |
| James Alan Schreiner | ▼ Sell | Tax Withholding | 1,249 | $125K | 8/18/2025 |
| John Edward Williams | ▲ Buy | Option Exercise | 947 | — | 8/15/2025 |
| John Edward Williams | ▼ Sell | Tax Withholding | 308 | $32K | 8/15/2025 |
| Jacqueline F. Moloney | ▼ Sell | Open Market | 300 | $28K | 8/1/2025 |
| James Alan Schreiner | ▼ Sell | Open Market | 957 | $98K | 7/7/2025 |
| David Philip Henry | ▼ Sell | Open Market | 2,000 | $210K | 7/3/2025 |
| Elizabeth Mora | ▼ Sell | Open Market | 300 | $25K | 6/2/2025 |
| Wissam G. Jabre | ▲ Buy | Grant | 2,479 | — | 5/12/2025 |
| Gerald G. Colella | ▲ Buy | Grant | 2,479 | — | 5/12/2025 |
| Raj Batra | ▲ Buy | Grant | 2,479 | — | 5/12/2025 |
| Peter Cannone III | ▲ Buy | Grant | 2,479 | — | 5/12/2025 |
| Joseph B. Donahue | ▲ Buy | Grant | 2,479 | — | 5/12/2025 |
| Jacqueline F. Moloney | ▲ Buy | Grant | 2,479 | — | 5/12/2025 |
| Elizabeth Mora | ▲ Buy | Grant | 2,479 | — | 5/12/2025 |
| John Edward Williams | ▲ Buy | Option Exercise | 1,740 | — | 4/17/2025 |
| John Edward Williams | ▼ Sell | Tax Withholding | 565 | $36K | 4/17/2025 |
| Michelle M. McCarthy | ▲ Buy | Option Exercise | 968 | — | 4/15/2025 |
| Michelle M. McCarthy | ▲ Buy | Option Exercise | 1,106 | — | 4/15/2025 |
| Michelle M. McCarthy | ▼ Sell | Tax Withholding | 608 | $42K | 4/15/2025 |
| Jacqueline F. Moloney | ▼ Sell | Open Market | 300 | $28K | 3/3/2025 |
| Elizabeth Mora | ▼ Sell | Open Market | 275 | $25K | 3/3/2025 |
| John Tseng-Chung Lee | ▲ Buy | Option Exercise | 7,654 | — | 2/18/2025 |
| John Edward Williams | ▲ Buy | Option Exercise | 300 | — | 2/18/2025 |
| James Alan Schreiner | ▼ Sell | Tax Withholding | 3,648 | $378K | 2/18/2025 |
| David Philip Henry | ▲ Buy | Option Exercise | 1,528 | — | 2/18/2025 |
| John Tseng-Chung Lee | ▼ Sell | Tax Withholding | 27,332 | $2.8M | 2/18/2025 |
| Gerald G. Colella | ▼ Sell | Open Market | 8,000 | $836K | 2/18/2025 |
| John Edward Williams | ▲ Buy | Option Exercise | 658 | — | 2/18/2025 |
| John Edward Williams | ▲ Buy | Option Exercise | 841 | — | 2/18/2025 |
| John Edward Williams | ▼ Sell | Tax Withholding | 901 | $93K | 2/18/2025 |
| Eric Robert Taranto | ▲ Buy | Option Exercise | 1,119 | — | 2/18/2025 |
| Eric Robert Taranto | ▲ Buy | Option Exercise | 1,764 | — | 2/18/2025 |
| Eric Robert Taranto | ▲ Buy | Option Exercise | 914 | — | 2/18/2025 |
| Eric Robert Taranto | ▲ Buy | Option Exercise | 348 | — | 2/18/2025 |
| Eric Robert Taranto | ▲ Buy | Option Exercise | 975 | — | 2/18/2025 |
| James Alan Schreiner | ▲ Buy | Option Exercise | 1,630 | — | 2/18/2025 |
| James Alan Schreiner | ▲ Buy | Option Exercise | 1,173 | — | 2/18/2025 |
| James Alan Schreiner | ▲ Buy | Option Exercise | 2,566 | — | 2/18/2025 |
| James Alan Schreiner | ▲ Buy | Option Exercise | 1,329 | — | 2/18/2025 |
| James Alan Schreiner | ▲ Buy | Option Exercise | 1,211 | — | 2/18/2025 |
| David Philip Henry | ▲ Buy | Option Exercise | 1,099 | — | 2/18/2025 |
| David Philip Henry | ▲ Buy | Option Exercise | 2,406 | — | 2/18/2025 |
| David Philip Henry | ▲ Buy | Option Exercise | 1,278 | — | 2/18/2025 |
| David Philip Henry | ▼ Sell | Tax Withholding | 2,372 | $246K | 2/18/2025 |
| Kathleen Flaherty Burke | ▲ Buy | Option Exercise | 1,645 | — | 2/18/2025 |
| Kathleen Flaherty Burke | ▲ Buy | Option Exercise | 3,608 | — | 2/18/2025 |
| Kathleen Flaherty Burke | ▲ Buy | Option Exercise | 1,870 | — | 2/18/2025 |
| Kathleen Flaherty Burke | ▲ Buy | Option Exercise | 588 | — | 2/18/2025 |
| Kathleen Flaherty Burke | ▲ Buy | Option Exercise | 1,648 | — | 2/18/2025 |
| John Tseng-Chung Lee | ▲ Buy | Option Exercise | 14,041 | — | 2/18/2025 |
| David Philip Henry | ▲ Buy | Option Exercise | 456 | — | 2/18/2025 |
| John Tseng-Chung Lee | ▲ Buy | Option Exercise | 4,035 | — | 2/18/2025 |
| John Tseng-Chung Lee | ▲ Buy | Option Exercise | 7,207 | — | 2/18/2025 |
| Eric Robert Taranto | ▼ Sell | Tax Withholding | 1,760 | $182K | 2/18/2025 |
| James Alan Schreiner | ▲ Buy | Option Exercise | 432 | — | 2/18/2025 |
| Kathleen Flaherty Burke | ▲ Buy | Option Exercise | 2,287 | — | 2/18/2025 |
| David Philip Henry | ▲ Buy | Option Exercise | 1,246 | — | 2/18/2025 |
| Kathleen Flaherty Burke | ▼ Sell | Tax Withholding | 3,970 | $412K | 2/18/2025 |
| John Tseng-Chung Lee | ▲ Buy | Option Exercise | 6,735 | — | 2/18/2025 |
| John Tseng-Chung Lee | ▲ Buy | Option Exercise | 22,088 | — | 2/18/2025 |
| John Edward Williams | ▲ Buy | Option Exercise | 915 | — | 2/18/2025 |
| Eric Robert Taranto | ▲ Buy | Option Exercise | 805 | — | 2/18/2025 |
| Jacqueline F. Moloney | ▼ Sell | Open Market | 300 | $34K | 12/10/2024 |
| John Tseng-Chung Lee | ▲ Buy | Option Exercise | 984 | — | 12/6/2024 |
| John Tseng-Chung Lee | ▼ Sell | Tax Withholding | 2,994 | $343K | 12/6/2024 |
| John Tseng-Chung Lee | ▲ Buy | Option Exercise | 2,010 | — | 12/6/2024 |
| Elizabeth Mora | ▼ Sell | Open Market | 275 | $31K | 12/2/2024 |
| Wissam G. Jabre | ▲ Buy | Grant | 2,009 | — | 11/4/2024 |
| Jacqueline F. Moloney | ▼ Sell | Open Market | 250 | $27K | 10/1/2024 |
| Elizabeth Mora | ▼ Sell | Open Market | 275 | $32K | 9/3/2024 |
| James Alan Schreiner | ▲ Buy | Option Exercise | 3,961 | — | 8/19/2024 |
| James Alan Schreiner | ▼ Sell | Tax Withholding | 1,873 | $223K | 8/19/2024 |
| John Edward Williams | ▼ Sell | Open Market | 1,800 | $214K | 8/16/2024 |
| John Edward Williams | ▲ Buy | Option Exercise | 946 | — | 8/15/2024 |
| John Edward Williams | ▼ Sell | Tax Withholding | 307 | $35K | 8/15/2024 |
| Jacqueline F. Moloney | ▼ Sell | Open Market | 250 | $31K | 8/1/2024 |
| Elizabeth Mora | ▼ Sell | Open Market | 275 | $36K | 6/3/2024 |
| Warner Michelle M | ▲ Buy | Grant | 1,622 | — | 5/7/2024 |
| Gerald G. Colella | ▲ Buy | Grant | 1,622 | — | 5/7/2024 |
| Raj Batra | ▲ Buy | Grant | 1,622 | — | 5/7/2024 |
| Peter Cannone III | ▲ Buy | Grant | 1,622 | — | 5/7/2024 |
| Elizabeth Mora | ▲ Buy | Grant | 1,622 | — | 5/7/2024 |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 17, 2026
MKS Inc. Stock Rebounds Amid Semiconductor Sector Recovery
MKS Inc. shares are trading higher as the broader semiconductor sector rebounds from recent weakness. This recovery follows comments from NY Fed President Williams suggesting room for further policy adjustments. While the stock is currently trading near its 52-week low, analysts maintain a wide range of price targets for the company.
MKS Inc. Stock Rebounds Amid Semiconductor Sector Recovery. MKS Inc. shares are trading higher as the broader semiconductor sector rebounds from recent weakness. This recovery follows comments from NY Fed President Williams suggesting room for further policy adjustments. While the stock is currently trading near its 52-week low, analysts maintain a wide range of price targets for the company.