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sellWeak cluster of 3

Jacqueline F Moloney sold $73k of MKSI

director at MKS INSTRUMENTS INC. 340 shares at an average of $213.77, traded Mar 12, 2026, filed Mar 13, 2026.

Warning score
38
Value
$73k
340 shares
Holdings after
10,393
-3% from before
From 52-week low
+266%
low $58.26, close $213.13
From 52-week high
-19%
high $262.24, as of Mar 12, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $73k at market
    +8
  • Share of holdings sold
    Sold 3.2% of holdings
    0
  • Cluster
    3 insiders selling within 14 days
    +15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

This signal so far: 1m +25.9%, 3m +66.8%, 6m +25.4%.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

MKSIOct 12, 2026 · close 249.91
Since filing Mar 13, 2026: +17.3%SPY +18.4% · excess -1.1%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001049502-26-000057, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 12, 2026SOpen-market sale
Common Stock
-340$213.77$73k10,393Mar 13, 2026

Related signals

Other insiders at MKS INSTRUMENTS INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
3Weak
MKSIsell10b5-1
MKS INSTRUMENTS INC
Elizabeth Mora
director
$75k
300 shares
-2%
38Weak
MKSIsell 210b5-1
MKS INSTRUMENTS INC
John Tseng-Chung Lee
President & CEO
$3.0M
10,000 shares
-7%
19Weak
MKSIsell 210b5-1
MKS INSTRUMENTS INC
John Edward Williams
EVP & GM, PSD
$132k
457 shares
-10%
65Notable
MKSIsell 4
MKS INSTRUMENTS INC
James Alan Schreiner
EVP & COO
$1.2M
3,500 shares
-15%
28Weak
MKSIsell 610b5-1
MKS INSTRUMENTS INC
James Alan Schreiner
EVP & COO
$248k
781 shares
-3%
52Moderate
MKSIsell 810b5-1
MKS INSTRUMENTS INC
Michelle M McCarthy
SVP & Chief Accounting Officer
$767k
2,434 shares
-100%
65Notable
MKSIsell 9
MKS INSTRUMENTS INC
David Philip Henry
EVP, Global Str Mktg & GM, MSD
$1.9M
6,000 shares
-37%
20Weak
MKSIsell 910b5-1
MKS INSTRUMENTS INC
Elizabeth Mora
director
$95k
300 shares
-2%
45Moderate
MKSIsell 1010b5-1
MKS INSTRUMENTS INC
Gerard G Colella
director
$6.7M
20,000 shares
-50%
56Moderate
MKSIsell 10
MKS INSTRUMENTS INC
Joseph B Donahue
director
$689k
2,100 shares
-17%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Jacqueline F Moloney sold $73k of MKSI | InsiderTell