Updated: May 19, 2026

John Tseng-Chung Lee

MKSIMKS INCSEC CIK: 0001414656
Estimated Net Worth
$85.9 Million45.0%vs Last Year
Last Updated: May 19, 2026 11:36 PM EST

Transaction Summary

Total Transactions109
Buy-Sell Ratio0.73
Buy Transactions43
Sell Transactions59

Transaction Volume

Total Volume$39.16M
Net Volume-$20.15M
Buy Volume$9.51M
Sell Volume$29.65M

Trade Analysis

AVG Trade Size$359.26K
Largest Trade$8.49M
Most Active MonthFeb
Most Active Year2011

Trading Sentiment

OverallBearish
Recent TradeNeutral
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

John Tseng-Chung Lee has an estimated net worth of $85.9 Million. This is based on reported shares across multiple companies, which include MKS INC, and COGNEX CORP.



2023 was John Tseng-Chung Lee's most active year for acquiring shares with 15 total transactions. John Tseng-Chung Lee's most active month to acquire stocks was the month of January. 2011 was John Tseng-Chung Lee's most active year for disposing of shares, totalling 18 transactions. John Tseng-Chung Lee's most active month to dispose stocks was the month of January. 2008 saw John Tseng-Chung Lee paying a total of $63,150.00 for 16,250 shares, this is the most they've acquired in one year. In 2026 John Tseng-Chung Lee cashed out on 143,674.559 shares for a total of $16,189,887.62, their largest year based on trade value.

Holdings & Transactions

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