John Tseng-Chung Lee, Senior VP, Business Units at MKS INSTRUMENTS INC (MKSI), sold 19,910 shares at $46.36 ($923K) on 2016-08-10, disclosed to the SEC on 2016-08-11.
Open-market sale of $923k MKSI by Senior VP, Business Units. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $46.36 | 9,955 | $462K | 50.0% |
| 2 | $46.36 | 9,955 | $462K | 50.0% |
| Total | $46.36 avg | 19,910 | $923K | 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 → |