$ Value
$3.4M
Shares
13,310
Price
$256
Filed
Feb 23
Insider
Name
Lee John Tseng-Chung
Title
President & CEO
CIK
0001414656
Roles
Transaction Details
Transaction Date
2026-02-20
Code
S
Table
Non-Derivative
Ownership
Direct
Equity Swap
No
Shares After
171,386
Footnotes
This transaction was executed in multiple trades at prices ranging from $255.425 to $256.415. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, the full information regarding the number of shares and prices at which the transaction was effected. | This transaction was executed in multiple trades at prices ranging from $256.4275 to $257.275. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, the full information regarding the number of shares and prices at which the transaction was effected. | This transaction was executed in multiple trades at prices ranging from $257.445 to $258.320. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, the full information regarding the number of shares and prices at which the transaction was effected. | This transaction was executed in multiple trades at prices ranging from $259.170 to $259.920. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide, upon request, the full information regarding the number of shares and prices at which the transaction was effected.
Filing Info
Lee John Tseng-Chung's History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-02-21 | CGNX | M | $0 |
| 2026-02-21 | CGNX | M | $0 |
| 2026-02-20 | MKSI | ▼ | $3.4M |
| 2026-02-20 | MKSI | ▼ | $3.3M |
| 2026-02-20 | MKSI | ▼ | $513K |
| 2026-02-20 | MKSI | ▼ | $491K |
| 2026-02-18 | CGNX | M | $0 |
| 2026-02-18 | CGNX | M | $0 |
| 2026-02-17 | MKSI | M | — |
| 2026-02-17 | MKSI | M | — |
Other Insiders at MKSI (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
| COLELLA GERALD G | — | $5.1M | 2026-02-24 |
| CANNONE PETER III | — | $323K | 2026-02-20 |
|
Lee John Tseng-Chung
President & CEO
|
— | $4.3M | 2026-02-20 |
| Moloney Jacqueline F | — | $278K | 2026-03-12 |
| Mora Elizabeth | — | $72K | 2026-03-02 |
|
Williams John Edward
EVP & GM, PSD
|
— | $524K | 2026-04-17 |
|
McCarthy Michelle M
SVP & Chief Accounting Officer
|
— | — | 2026-04-15 |
|
McCarthy Michelle M
VP & Chief Accounting Officer
|
— | $367K | 2026-02-20 |
|
Burke Kathleen Flaherty
EVP, GC & Secretary
|
— | $1.1M | 2026-02-20 |
|
Schreiner James Alan
EVP & COO
|
— | $1.0M | 2026-02-24 |
|
Taranto Eric Robert
EVP & GM, VSD
|
— | $1.4M | 2026-03-06 |
|
Henry David Philip
EVP, Global Str Mktg & GM, MSD
|
— | $523K | 2026-02-20 |
|
Mayampurath Ramakumar
EVP & CFO
|
— | — | 2026-02-17 |