Insider · CIK 0001414656
John Tseng-Chung Lee
ceopresidentofficerdirector
Files at CGNX (COGNEX CORP), MKSI (MKS INC). First filing -, latest -.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 0
$0 bought, $0 sold
Signals
This insider’s open-market buys and sells, scored.
No scored open-market trades yet.
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 9, 2025 | CGNX COGNEX CORP | MOption exercise Common Stock | +1,848 | $0.00 | $0 | 13,583 | May 12, 2025 |
| May 9, 2025 | CGNX COGNEX CORP | MOption exercise Restricted Stock Unitderivative | -1,848 | $0.00 | $0 | 0 | May 12, 2025 |
| Feb 20, 2025 | CGNX COGNEX CORP | MOption exercise Common Stock | +6,973 | $0.00 | $0 | 9,988 | Feb 24, 2025 |
| Feb 21, 2025 | CGNX COGNEX CORP | MOption exercise Common Stock | +1,747 | $0.00 | $0 | 11,735 | Feb 24, 2025 |
| Feb 20, 2025 | CGNX COGNEX CORP | MOption exercise Restricted Stock Unitderivative | -6,973 | $0.00 | $0 | 0 | Feb 24, 2025 |
| Feb 21, 2025 | CGNX COGNEX CORP | MOption exercise Restricted Stock Unitderivative | -1,747 | $0.00 | $0 | 2,913 | Feb 24, 2025 |
| Feb 18, 2025 | CGNX COGNEX CORP | AGrant or award Restricted Stock Unitderivative | +8,324 | $0.00 | $0 | 8,324 | Feb 20, 2025 |
| Dec 6, 2024 | MKSI MKS INC | MOption exercise Common Stock | +2,010 | - | - | 114,699 | Dec 10, 2024 |
| Dec 6, 2024 | MKSI MKS INC | MOption exercise Common Stock | +984 | - | - | 115,683 | Dec 10, 2024 |
| Dec 6, 2024 | MKSI MKS INC | FTax withholding Common Stock | -2,994 | $114.60 | $343k | 112,689 | Dec 10, 2024 |
| Dec 6, 2024 | MKSI MKS INC | MOption exercise Restricted Stock Unitderivative | -2,010 | - | - | 102,868 | Dec 10, 2024 |
| Dec 6, 2024 | MKSI MKS INC | MOption exercise Restricted Stock Unitderivative | -984 | - | - | 101,884 | Dec 10, 2024 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.