Lee John Tseng-Chung
CIK: 0001414656
Primary company: MKS INC (MKSI)
Lee John Tseng-Chung is a corporate insider at MKS INC (MKSI) filing SEC Form 4 transactions. 385 transactions across 2 companies, totaling $31,106 in purchases and $5,374,996 in sales. Source: SEC EDGAR.
Companies
Transaction History
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
MKS INC MKSI | Sale | 10,000 | $315.48 | $3.15M | 144,696 | 5/22/2026 Filed: 5/22/2026 | Filing → |
MKS INC MKSI | Sale | 1,890 | $259.70 | $491K | 154,696 | 2/20/2026 Filed: 2/20/2026 | Filing → |
MKS INC MKSI | Sale | 1,988 | $257.81 | $513K | 156,586 | 2/20/2026 Filed: 2/20/2026 | Filing → |
MKS INC MKSI | Sale | 12,812 | $256.93 | $3.29M | 158,574 | 2/20/2026 Filed: 2/20/2026 | Filing → |
MKS INC MKSI | Sale | 13,310 | $256.05 | $3.41M | 171,386 | 2/20/2026 Filed: 2/20/2026 | Filing → |
MKS INC MKSI | Award | 50,971 | - | - | 139,124 | 2/8/2026 Filed: 2/8/2026 | Filing → |
MKS INC MKSI | Exercise | 1,651 | - | - | 88,152 | 10/31/2025 Filed: 11/4/2025 | Filing → |
MKS INC MKSI | Exercise | 352 | - | - | 89,803 | 10/31/2025 Filed: 11/4/2025 | Filing → |
MKS INC MKSI | Tax Payment | 2,003 | $143.71 | $288K | 147,269 | 10/31/2025 Filed: 11/4/2025 | Filing → |
MKS INC MKSI | Exercise | 1,651 | - | - | 149,272 | 10/31/2025 Filed: 11/4/2025 | Filing → |
MKS INC MKSI | Exercise | 352 | - | - | 147,621 | 10/31/2025 Filed: 11/4/2025 | Filing → |
COGNEX CORP CGNX | Exercise | 1,848 | - | - | 0 | 5/9/2025 Filed: 5/12/2025 | Filing → |
COGNEX CORP CGNX | Exercise | 1,848 | - | - | 13,583 | 5/9/2025 Filed: 5/12/2025 | Filing → |
COGNEX CORP CGNX | Exercise | 1,747 | - | - | 2,913 | 2/21/2025 Filed: 2/24/2025 | Filing → |
COGNEX CORP CGNX | Exercise | 1,747 | - | - | 11,735 | 2/21/2025 Filed: 2/24/2025 | Filing → |
COGNEX CORP CGNX | Exercise | 6,973 | - | - | 0 | 2/20/2025 Filed: 2/24/2025 | Filing → |
COGNEX CORP CGNX | Exercise | 6,973 | - | - | 9,988 | 2/20/2025 Filed: 2/24/2025 | Filing → |
COGNEX CORP CGNX | Award | 8,324 | - | - | 8,324 | 2/18/2025 Filed: 2/20/2025 | Filing → |
| Exercise | 7,207 | - | - | 90,155 | 2/18/2025 Filed: 2/19/2025 | Filing → | |
| Exercise | 4,035 | - | - | 97,362 | 2/18/2025 Filed: 2/19/2025 | Filing → |
MKS INC
MKSI
Type
Sale
Shares
10,000
Price
$315.48
Value
$3.15M
MKS INC
MKSI
Type
Sale
Shares
1,890
Price
$259.70
Value
$491K
MKS INC
MKSI
Type
Sale
Shares
1,988
Price
$257.81
Value
$513K
MKS INC
MKSI
Type
Sale
Shares
12,812
Price
$256.93
Value
$3.29M
MKS INC
MKSI
Type
Sale
Shares
13,310
Price
$256.05
Value
$3.41M
MKS INC
MKSI
Type
Award
Shares
50,971
Price
-
Value
-
MKS INC
MKSI
Type
Exercise
Shares
1,651
Price
-
Value
-
MKS INC
MKSI
Type
Exercise
Shares
352
Price
-
Value
-
MKS INC
MKSI
Type
Tax Payment
Shares
2,003
Price
$143.71
Value
$288K
MKS INC
MKSI
Type
Exercise
Shares
1,651
Price
-
Value
-
MKS INC
MKSI
Type
Exercise
Shares
352
Price
-
Value
-
COGNEX CORP
CGNX
Type
Exercise
Shares
1,848
Price
-
Value
-
COGNEX CORP
CGNX
Type
Exercise
Shares
1,848
Price
-
Value
-
COGNEX CORP
CGNX
Type
Exercise
Shares
1,747
Price
-
Value
-
COGNEX CORP
CGNX
Type
Exercise
Shares
1,747
Price
-
Value
-
COGNEX CORP
CGNX
Type
Exercise
Shares
6,973
Price
-
Value
-
COGNEX CORP
CGNX
Type
Exercise
Shares
6,973
Price
-
Value
-
COGNEX CORP
CGNX
Type
Award
Shares
8,324
Price
-
Value
-
Type
Exercise
Shares
7,207
Price
-
Value
-
Type
Exercise
Shares
4,035
Price
-
Value
-
AI Agent
Try asking...