Tseng-Chung John Lee

Affiliations

  • Director at Cognex Corp (CGNX), 2025-05-12
  • President & Ceo at Mks Instruments Inc (MKSI), 2025-02-19
Insider Trading: Purchases See All
Symbol Price Amount Total Value Remaining Holdings Date Form 4
MKSI $23.96 443 $10,624.99 964 2013-11-29 Filing
MKSI $20.42 520 $10,625.01 520 2013-05-31 Filing
MKSI $20.61 479 $9,876.31 479 2012-11-30 Filing
Insider Trading: Sales See All
Symbol Price Amount Total Value Remaining Holdings Date Form 4
MKSI $115.91 1,600 $185,457.60 1 2018-02-20 Filing
MKSI $115.31 11,832 $1,364,324.26 1,601 2018-02-20 Filing
MKSI $104.02 2,113 $219,783.70 1 2017-11-13 Filing
MKSI $67.99 14,734 $1,001,764.66 1 2017-02-22 Filing
MKSI $46.36 9,955 $461,523.76 0 2016-08-10 Filing