Is MKS Inc. (MKSI) a Buy, Sell, or Hold?
NASDAQ : MKSI
MKS Inc.
$324.69 USD
-$7.31 (-2.2%)
- Volume
- 1.89M
- Average Volume
- 1.34M
- Market Capitalization
- $21.93B
- P/E Ratio
- 66.67
- Dividend Yield
- 0.29%
- Price Target
- $397.50
- Year High
- $447.62
- Year Low
- $88.49
- Day High
- —
- Day Low
- —
- Payout Ratio
- $0.19
- Current Ratio
- $1.11
Insider Activity Summary (Last 12 Months)
Insiders Buying
73
Insiders Selling
111
Amount of Insider Selling
$345.27K
MKSI Insider Buying/Selling by Quarter
MKSI Insider Trading History
| Insider Name | Title | Date | Transaction | Cost | Filing Date |
|---|---|---|---|---|---|
| Schreiner James Alan | officer: EVP & COO | 2026-06-12 | S-Sale | 345.5239 | 2026-06-16 |
| Schreiner James Alan | officer: EVP & COO | 2026-06-12 | S-Sale | 346.4058 | 2026-06-16 |
| Schreiner James Alan | officer: EVP & COO | 2026-06-12 | S-Sale | 347 | 2026-06-16 |
| Schreiner James Alan | officer: EVP & COO | 2026-06-10 | S-Sale | 317.42 | 2026-06-11 |
| McCarthy Michelle M | officer: SVP & Chief Accounting Officer | 2026-06-05 | S-Sale | 315.23 | 2026-06-08 |
| Donlan Renee Martel | officer: EVP, GC & CCO | 2026-06-01 | 0 | 2026-06-04 | |
| Donlan Renee Martel | officer: EVP, GC & CCO | 2026-06-01 | 0 | 2026-06-04 | |
| Henry David Philip | officer: EVP, Global Str Mktg & GM, MSD | 2026-06-01 | S-Sale | 314.4305 | 2026-06-02 |
| Mora Elizabeth | director | 2026-06-01 | S-Sale | 318.02 | 2026-06-02 |
| Donahue Joseph B | director | 2026-05-27 | S-Sale | 327.954 | 2026-05-28 |
| COLELLA GERALD G | director | 2026-05-27 | S-Sale | 330.3828 | 2026-05-28 |
| COLELLA GERALD G | director | 2026-05-27 | S-Sale | 331.4488 | 2026-05-28 |
| COLELLA GERALD G | director | 2026-05-27 | S-Sale | 332.0414 | 2026-05-28 |
| COLELLA GERALD G | director | 2026-05-27 | S-Sale | 335.458 | 2026-05-28 |
| COLELLA GERALD G | director | 2026-05-27 | S-Sale | 336.5429 | 2026-05-28 |
| COLELLA GERALD G | director | 2026-05-27 | S-Sale | 337.0505 | 2026-05-28 |
| COLELLA GERALD G | director | 2026-05-27 | S-Sale | 338.58 | 2026-05-28 |
| Henry David Philip | officer: EVP, Global Str Mktg & GM, MSD | 2026-05-26 | S-Sale | 330.5 | 2026-05-27 |
| Mayampurath Ramakumar | officer: EVP & CFO | 2026-05-22 | S-Sale | 315.48 | 2026-05-26 |
| Lee John Tseng-Chung | director, officer: President & CEO | 2026-05-22 | S-Sale | 315.48 | 2026-05-26 |
| CANNONE PETER III | director | 2026-05-18 | S-Sale | 303.4001 | 2026-05-19 |
| Moloney Jacqueline F | director | 2026-05-14 | S-Sale | 312.1969 | 2026-05-15 |
| Moloney Jacqueline F | director | 2026-05-13 | S-Sale | 318.99 | 2026-05-14 |
| Taranto Eric Robert | officer: EVP & GM, VSD | 2026-05-11 | S-Sale | 319.93 | 2026-05-12 |
| Moloney Jacqueline F | director | 2026-05-11 | A-Award | 0 | 2026-05-12 |
| JABRE WISSAM G | director | 2026-05-11 | A-Award | 0 | 2026-05-12 |
| Mora Elizabeth | director | 2026-05-11 | A-Award | 0 | 2026-05-12 |
| Burke Kathleen Flaherty | officer: EVP, GC & Secretary | 2026-05-11 | S-Sale | 319.935 | 2026-05-12 |
| Donahue Joseph B | director | 2026-05-11 | A-Award | 0 | 2026-05-12 |
| CANNONE PETER III | director | 2026-05-11 | A-Award | 0 | 2026-05-12 |
| Batra Raj | director | 2026-05-11 | A-Award | 0 | 2026-05-12 |
| COLELLA GERALD G | director | 2026-05-11 | A-Award | 0 | 2026-05-12 |
| Williams John Edward | officer: EVP & GM, PSD | 2026-04-17 | M-Exempt | 0 | 2026-04-20 |
| Williams John Edward | officer: EVP & GM, PSD | 2026-04-17 | M-Exempt | 0 | 2026-04-20 |
| Williams John Edward | officer: EVP & GM, PSD | 2026-04-17 | F-InKind | 269.89 | 2026-04-20 |
| McCarthy Michelle M | officer: SVP & Chief Accounting Officer | 2026-04-15 | A-Award | 0 | 2026-04-16 |
| McCarthy Michelle M | officer: SVP & Chief Accounting Officer | 2026-04-15 | M-Exempt | 0 | 2026-04-16 |
| McCarthy Michelle M | officer: SVP & Chief Accounting Officer | 2026-04-15 | M-Exempt | 0 | 2026-04-16 |
| McCarthy Michelle M | officer: SVP & Chief Accounting Officer | 2026-04-15 | M-Exempt | 0 | 2026-04-16 |
| McCarthy Michelle M | officer: SVP & Chief Accounting Officer | 2026-04-15 | M-Exempt | 0 | 2026-04-16 |
| McCarthy Michelle M | officer: SVP & Chief Accounting Officer | 2026-04-15 | F-InKind | 274.15 | 2026-04-16 |
| McCarthy Michelle M | officer: SVP & Chief Accounting Officer | 2026-04-15 | M-Exempt | 0 | 2026-04-16 |
| McCarthy Michelle M | officer: SVP & Chief Accounting Officer | 2026-04-15 | M-Exempt | 0 | 2026-04-16 |
| Moloney Jacqueline F | director | 2026-03-12 | S-Sale | 213.7717 | 2026-03-13 |
| Taranto Eric Robert | officer: EVP & GM, VSD | 2026-03-06 | S-Sale | 220.522 | 2026-03-09 |
| Mora Elizabeth | director | 2026-03-02 | S-Sale | 239.44 | 2026-03-03 |
| Schreiner James Alan | officer: EVP & COO | 2026-02-24 | S-Sale | 255 | 2026-02-25 |
| COLELLA GERALD G | director | 2026-02-20 | S-Sale | 252.8999 | 2026-02-24 |
| COLELLA GERALD G | director | 2026-02-24 | S-Sale | 253.9675 | 2026-02-24 |
| CANNONE PETER III | director | 2026-02-20 | S-Sale | 258.0596 | 2026-02-23 |
| Taranto Eric Robert | officer: EVP & GM, VSD | 2026-02-20 | S-Sale | 247.55 | 2026-02-23 |
| Henry David Philip | officer: EVP, Global Str Mktg & GM, MSD | 2026-02-20 | S-Sale | 261.5601 | 2026-02-23 |
| McCarthy Michelle M | officer: VP & Chief Accounting Officer | 2026-02-20 | S-Sale | 249.5674 | 2026-02-23 |
| McCarthy Michelle M | officer: VP & Chief Accounting Officer | 2026-02-20 | S-Sale | 250.3479 | 2026-02-23 |
| Moloney Jacqueline F | director | 2026-02-20 | S-Sale | 247.55 | 2026-02-23 |
| Williams John Edward | officer: EVP & GM, PSD | 2026-02-20 | S-Sale | 256.4075 | 2026-02-23 |
| Burke Kathleen Flaherty | officer: EVP, GC & Secretary | 2026-02-20 | S-Sale | 250 | 2026-02-23 |
| Lee John Tseng-Chung | director, officer: President & CEO | 2026-02-20 | S-Sale | 256.0538 | 2026-02-23 |
| Lee John Tseng-Chung | director, officer: President & CEO | 2026-02-20 | S-Sale | 256.9313 | 2026-02-23 |
| Lee John Tseng-Chung | director, officer: President & CEO | 2026-02-20 | S-Sale | 257.8084 | 2026-02-23 |
| Lee John Tseng-Chung | director, officer: President & CEO | 2026-02-20 | S-Sale | 259.7032 | 2026-02-23 |
| Taranto Eric Robert | officer: EVP & GM, VSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Taranto Eric Robert | officer: EVP & GM, VSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Taranto Eric Robert | officer: EVP & GM, VSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Taranto Eric Robert | officer: EVP & GM, VSD | 2026-02-17 | F-InKind | 260.74 | 2026-02-18 |
| Taranto Eric Robert | officer: EVP & GM, VSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Taranto Eric Robert | officer: EVP & GM, VSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Taranto Eric Robert | officer: EVP & GM, VSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Taranto Eric Robert | officer: EVP & GM, VSD | 2026-02-17 | A-Award | 0 | 2026-02-18 |
| Taranto Eric Robert | officer: EVP & GM, VSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Taranto Eric Robert | officer: EVP & GM, VSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Taranto Eric Robert | officer: EVP & GM, VSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Taranto Eric Robert | officer: EVP & GM, VSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Taranto Eric Robert | officer: EVP & GM, VSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Taranto Eric Robert | officer: EVP & GM, VSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Henry David Philip | officer: EVP, Global Str Mktg & GM, MSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Henry David Philip | officer: EVP, Global Str Mktg & GM, MSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Henry David Philip | officer: EVP, Global Str Mktg & GM, MSD | 2026-02-17 | A-Award | 0 | 2026-02-18 |
| Henry David Philip | officer: EVP, Global Str Mktg & GM, MSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Henry David Philip | officer: EVP, Global Str Mktg & GM, MSD | 2026-02-17 | F-InKind | 260.74 | 2026-02-18 |
| Henry David Philip | officer: EVP, Global Str Mktg & GM, MSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Henry David Philip | officer: EVP, Global Str Mktg & GM, MSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Henry David Philip | officer: EVP, Global Str Mktg & GM, MSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Henry David Philip | officer: EVP, Global Str Mktg & GM, MSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Henry David Philip | officer: EVP, Global Str Mktg & GM, MSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Henry David Philip | officer: EVP, Global Str Mktg & GM, MSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Henry David Philip | officer: EVP, Global Str Mktg & GM, MSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Henry David Philip | officer: EVP, Global Str Mktg & GM, MSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Henry David Philip | officer: EVP, Global Str Mktg & GM, MSD | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Schreiner James Alan | officer: EVP & COO | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Schreiner James Alan | officer: EVP & COO | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Schreiner James Alan | officer: EVP & COO | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Schreiner James Alan | officer: EVP & COO | 2026-02-17 | F-InKind | 260.74 | 2026-02-18 |
| Schreiner James Alan | officer: EVP & COO | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Schreiner James Alan | officer: EVP & COO | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Schreiner James Alan | officer: EVP & COO | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Schreiner James Alan | officer: EVP & COO | 2026-02-17 | A-Award | 0 | 2026-02-18 |
| Schreiner James Alan | officer: EVP & COO | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Schreiner James Alan | officer: EVP & COO | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |
| Schreiner James Alan | officer: EVP & COO | 2026-02-17 | M-Exempt | 0 | 2026-02-18 |