Gerald G Colella

Director Gerald Colella sells 20,000 shares (50% of holdings) for $6.7M via scheduled 10b5-1 plan at MKSI

Gerald Colella, a Director at MKS Inc, executed 7 separate sales totaling 20,000 shares for $6,668,075.10 on 2026-05-27 at prices ranging from $330.38 to $338.58, reducing his holdings from 40,017 to 20,017 shares. This transaction is part of a pre-arranged 10b5-1 trading plan adopted on 2026-02-24, meaning the sales were scheduled and not discretionary. His prior sales at MKSI show mixed timing outcomes: recent sells on 2026-02-24 and 2026-02-20 saw 30-day declines of -11.4% and -10.2% respectively, but 90-day gains of +26.2% and +23.8%, indicating the stock continued upward after those sales. The current price of $324.73 is -4.2% from the 52-week high of $339.00 and represents a 30-day gain of +21.2%, placing this liquidation near recent strength in the stock.

Director Colella sold 20,000 shares in 2 transactions for $5,068,674.00, reducing stake by 33.3%

COLELLA GERALD G, a Director, executed 2 separate sales totaling 20,000 shares for $5,068,674.00 on 2026-02-20 and 2026-02-24, at prices of $252.90 and $253.97 respectively (blended average $253.43). This represents a 33.3% reduction in his holdings from 60,017 to 40,017 shares. The sales occurred when the stock was trading near its 52-week high of $262.94 (current price $251.41, down 4.4% from that peak), and the 30-day and 90-day price momentum leading into these sales was strongly positive at +15.8% and +65.4%. However, at the same ticker (MKSI), his 3 prior sales show no measurable outcomes yet, making it premature to assess timing patterns relative to subsequent price action. The fundamental backdrop shows a $16.9B market-cap company with solid quarterly results ($988.0M revenue, $74.0M net income) and steady annual growth of 9.6%, though the P/E of 44.03 reflects elevated valuation.

Director Colella buys 5,500 shares at $20.47 as stock falls -55.3% from 52-week high; cluster pattern with 2 other insider purchases in 14 days

Director Gerard Colella purchased 5,500 shares at $20.47, representing an initiation of a position with zero prior holdings. The transaction occurs in a context of significant recent weakness: the stock trades -55.3% from its 52-week high of $45.78 and has declined -42.8% over the past 30 days. Additionally, a cluster buy pattern is present, with 2 other insiders also purchasing within the past 14 days, suggesting coordinated interest at depressed levels. The company's fundamentals show moderate health (revenue $234,138,000.00, net income $3,960,000.00, and annual revenue growth of +8.3%), though the elevated P/E of 62.06 reflects market skepticism. This filing merits attention for the convergence of multiple insider buyers during a sharp drawdown, though the outsized valuation multiple warrants careful evaluation of whether the purchases reflect information asymmetry or simply opportunistic buying into weakness.