MKS INC (MKSI)
Nasdaq · Industrial Instruments For Measurement, Display, and Control · Inc. MA
What they're doing
Between 2026-06-21 and 2026-09-19, public records show 1 signal for MKS INC. Most notable: 2026-08-14: Lee John Tseng-Chung (director) sold $3.0M of stock. Federal contract obligations over the last 24 months total $0. This summary was assembled automatically from SEC EDGAR, USAspending.gov, U.S. Senate lobbying disclosures and Wikimedia pageview counts.
Generated 2026-09-19 from public records.
Signals, last 12 months
- Large insider saleLee John Tseng-Chung (director) sold $3.0M of stock
- Large insider saleHenry David Philip (officer) sold $1.9M of stock
- Large insider saleCOLELLA GERALD G (director) sold $2.7M of stock
- Large insider saleCOLELLA GERALD G (director) sold $1.6M of stock
- Large insider saleLee John Tseng-Chung (director) sold $3.2M of stock
- Large insider saleMayampurath Ramakumar (officer) sold $2.8M of stock
- Material 8-K filingFiled 8-K disclosing director or officer change
- Large insider saleBurke Kathleen Flaherty (officer) sold $1.4M of stock
- Material 8-K filingFiled 8-K disclosing director or officer change
- Large insider saleTaranto Eric Robert (officer) sold $1.0M of stock
- Large insider saleCOLELLA GERALD G (director) sold $2.5M of stock
- Large insider saleSchreiner James Alan (officer) sold $1.0M of stock
- Large insider saleLee John Tseng-Chung (director) sold $3.3M of stock
- Large insider saleLee John Tseng-Chung (director) sold $3.4M of stock
- Large insider saleLee John Tseng-Chung (director) sold $3.4M of stock
- Large insider saleLee John Tseng-Chung (director) sold $3.3M of stock
- Large insider saleCOLELLA GERALD G (director) sold $2.5M of stock
- Large insider saleBurke Kathleen Flaherty (officer) sold $1.1M of stock
- Material 8-K filingFiled 8-K disclosing material agreement
Insider transactions
| Date | Insider | Role | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-09-01 | Mora Elizabeth | director | S | 300 | 250.96 | $75,288 |
| 2026-08-14 | Lee John Tseng-Chung | director | S | 10,000 | 302.01 | $3,020,100 |
| 2026-08-03 | Williams John Edward | officer | S | 457 | 288.31 | $131,758 |
| 2026-06-12 | Schreiner James Alan | officer | S | 812 | 346.41 | $281,285 |
| 2026-06-12 | Schreiner James Alan | officer | S | 2,471 | 345.52 | $853,780 |
| 2026-06-12 | Schreiner James Alan | officer | S | 217 | 347 | $75,299 |
| 2026-06-12 | Schreiner James Alan | officer | S | 2,471 | 345.52 | $853,790 |
| 2026-06-12 | Schreiner James Alan | officer | S | 812 | 346.41 | $281,282 |
| 2026-06-12 | Schreiner James Alan | officer | S | 217 | 347 | $75,299 |
| 2026-06-10 | Schreiner James Alan | officer | S | 781 | 317.42 | $247,905 |
| 2026-06-10 | Schreiner James Alan | officer | S | 781 | 317.42 | $247,905 |
| 2026-06-05 | McCarthy Michelle M | officer | S | 2,434 | 315.23 | $767,270 |
| 2026-06-05 | McCarthy Michelle M | officer | S | 2,434 | 315.23 | $767,270 |
| 2026-06-01 | Henry David Philip | officer | S | 6,000 | 314.43 | $1,886,580 |
| 2026-06-01 | Mora Elizabeth | director | S | 300 | 318.02 | $95,406 |
| 2026-06-01 | Henry David Philip | officer | S | 6,000 | 314.43 | $1,886,583 |
| 2026-06-01 | Mora Elizabeth | director | S | 300 | 318.02 | $95,406 |
| 2026-05-27 | Donahue Joseph B | director | S | 2,100 | 327.95 | $688,695 |
| 2026-05-27 | COLELLA GERALD G | director | S | 464 | 330.38 | $153,296 |
| 2026-05-27 | COLELLA GERALD G | director | S | 8,210 | 331.45 | $2,721,205 |
| 2026-05-27 | COLELLA GERALD G | director | S | 4,876 | 332.04 | $1,619,027 |
| 2026-05-27 | COLELLA GERALD G | director | S | 1,811 | 335.46 | $607,518 |
| 2026-05-27 | COLELLA GERALD G | director | S | 1,626 | 336.54 | $547,214 |
| 2026-05-27 | COLELLA GERALD G | director | S | 213 | 337.05 | $71,792 |
| 2026-05-27 | COLELLA GERALD G | director | S | 2,800 | 338.58 | $948,024 |
| 2026-05-27 | Donahue Joseph B | director | S | 2,100 | 327.95 | $688,703 |
| 2026-05-27 | COLELLA GERALD G | director | S | 464 | 330.38 | $153,298 |
| 2026-05-27 | COLELLA GERALD G | director | S | 8,210 | 331.45 | $2,721,195 |
| 2026-05-27 | COLELLA GERALD G | director | S | 4,876 | 332.04 | $1,619,034 |
| 2026-05-27 | COLELLA GERALD G | director | S | 1,811 | 335.46 | $607,514 |
| 2026-05-27 | COLELLA GERALD G | director | S | 1,626 | 336.54 | $547,219 |
| 2026-05-27 | COLELLA GERALD G | director | S | 213 | 337.05 | $71,792 |
| 2026-05-27 | COLELLA GERALD G | director | S | 2,800 | 338.58 | $948,024 |
| 2026-05-26 | Henry David Philip | officer | S | 2,500 | 330.5 | $826,250 |
| 2026-05-26 | Henry David Philip | officer | S | 2,500 | 330.5 | $826,250 |
| 2026-05-22 | Mayampurath Ramakumar | officer | S | 8,810 | 315.48 | $2,779,379 |
| 2026-05-22 | Lee John Tseng-Chung | director | S | 10,000 | 315.48 | $3,154,800 |
| 2026-05-22 | Mayampurath Ramakumar | officer | S | 8,810 | 315.48 | $2,779,379 |
| 2026-05-22 | Lee John Tseng-Chung | director | S | 10,000 | 315.48 | $3,154,800 |
| 2026-05-18 | CANNONE PETER III | director | S | 1,350 | 303.4 | $409,590 |
| 2026-05-18 | CANNONE PETER III | director | S | 1,350 | 303.4 | $409,590 |
| 2026-05-14 | Moloney Jacqueline F | director | S | 1,000 | 312.2 | $312,200 |
| 2026-05-14 | Moloney Jacqueline F | director | S | 1,000 | 312.2 | $312,197 |
| 2026-05-13 | Moloney Jacqueline F | director | S | 1,400 | 318.99 | $446,586 |
| 2026-05-13 | Moloney Jacqueline F | director | S | 1,400 | 318.99 | $446,586 |
| 2026-05-11 | Taranto Eric Robert | officer | S | 2,849 | 319.93 | $911,327 |
| 2026-05-11 | Moloney Jacqueline F | director | A | 782 | — | — |
| 2026-05-11 | JABRE WISSAM G | director | A | 782 | — | — |
| 2026-05-11 | Mora Elizabeth | director | A | 782 | — | — |
| 2026-05-11 | Burke Kathleen Flaherty | officer | S | 4,355 | 319.94 | $1,393,339 |
Federal contracts
No federal contract actions on record for this recipient mapping.
Lobbying
No federal lobbying filings on record for this client mapping.
Public attention
No Wikipedia pageview data linked to this company.