John Tseng-Chung Lee, Senior VP & COO at MKS INSTRUMENTS INC (MKSI), sold 29,468 shares at $67.99 ($2.0M) on 2017-02-22, disclosed to the SEC on 2017-02-23.
Seasonal sale ($2.0M) by Senior VP & COO — this insider has traded MKSI in February in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $67.99 | 14,734 | $1.0M | 50.0% |
| 2 | $67.99 | 14,734 | $1.0M | 50.0% |
| Total | $67.99 avg | 29,468 | $2.0M | 100% |
| Filing → |
| MKSI | SELL | 2026-02-23 | $7.7M | — | Filing → |
| MKSI | SELL | 2018-02-21 | $2.9M | — | Filing → |
| MKSI | SELL | 2017-11-14 | $440K | — | Filing → |