John Tseng-Chung Lee's Net Worth
John Tseng-Chung Lee's net worth is estimated to be at least $11,720,416.06 as of 03/21/2026. CoreStreet's estimation of John Tseng-Chung Lee's net worth is based on their sale of stock and current holding of stock.
John Tseng-Chung Lee is CEO at MKS Instruments Inc. They have executed at least 10 trades of stock as per SEC Form 4 filings. Their most recent trade was for 30,000 units of MKSI stock on 02/20/2026. Their biggest sale was on 02/20/2026 when they sold 30,000 units of MKS Instruments Inc stock for $7,703,100.00. They typically trade 1 times per year.
Total value of insider buys:
- $0.00
Total value of insider sells:
- $11,720,416.06
Most recent insider trade:
- Feb. 20, 2026
John Tseng-Chung Lee's Insider Trading History
| MKS Instruments Inc | Title | Amount | Price | Type | Total Value |
|---|---|---|---|---|---|
Feb. 20, 2026 | CEO | 30,000 | $256.77 | Sell | $7,703,100.00 |
Feb. 20, 2018 | COO | 13,432 | $115.38 | Sell | $1,549,784.16 |
Nov. 13, 2017 | COO | 2,113 | $104.02 | Sell | $219,794.26 |
Feb. 22, 2017 | COO | 14,734 | $67.99 | Sell | $1,001,764.66 |
Aug. 10, 2016 | VP | 9,955 | $46.36 | Sell | $461,513.80 |
Feb. 26, 2016 | VP | 994 | $32.70 | Sell | $32,503.80 |
Feb. 17, 2016 | VP | 1,371 | $33.26 | Sell | $45,599.46 |
Feb. 11, 2016 | VP | 1,435 | $31.96 | Sell | $45,862.60 |
May 14, 2015 | VP | 10,747 | $36.36 | Sell | $390,760.92 |
June 13, 2014 | VP | 9,128 | $29.55 | Sell | $269,732.40 |