MKSI

Name: MKSI insider trading activity
Creator: CatalystView
License: https://www.catalystview.xyz/legal/disclaimer

Bearish

Insider activity · 23 filings tracked since May 12, 2026

9 insiders · 16 open-market trades

CatalystView track record

avg conviction 5.0/100 bullish10 bearish

May 28, 2026BEARISHDirector Colella sells $153K MKSI stake in first-ever open-market trade4

May 28, 2026BEARISHDirector Donahue sells $689K MKSI stake in first-ever open-market trade6

May 27, 2026BEARISHEVP Philip sells $826K MKSI stake in first open-market sale, cutting holdings 13%4

May 26, 2026BEARISHCEO Lee Tseng-Chung sells $3.2M MKSI stake in first-ever open-market transaction8

May 26, 2026BEARISHCFO Ramakumar liquidates entire $2.8M MKSI stake in first-ever open-market trade7

Historical pattern analysis. Past signal performance does not predict future returns.

Politicians also trading MKSI

Get notified

We'll forward Form 4 filings within minutes of the SEC posting them. Free, one-click unsubscribe.