Gerard G. Colella, CEO, Director at MKS INSTRUMENTS INC (MKSI), sold 5,000 shares at $111.03 ($555K) on 2019-10-28, disclosed to the SEC on 2019-10-29.
Open-market sale of $555k MKSI by CEO, Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| MKSI | SELL | 2024-02-12 | $1.2M | — | Filing → |
| MKSI | SELL | 2024-01-23 | $1.1M | — | Filing → |
| MKSI | SELL | 2023-09-01 | $1.0M | — | Filing → |