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sellModerate cluster of 3

Peter Cannone III sold $323k of MKSI

director at MKS INC. 1,250 shares at an average of $258.06, traded Feb 20, 2026, filed Feb 23, 2026.

Warning score
49
Value
$323k
1,250 shares
Holdings after
8,362
-13% from before
From 52-week low
+344%
low $58.26, close $258.58
From 52-week high
-1%
high $262.24, as of Feb 20, 2026

Score components

  • Role
    Director
    +15
  • Trade size
    $323k at market
    +14
  • Share of holdings sold
    Sold 13% of holdings
    +5
  • 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.

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 9, 2026 · close 264.50
Since filing Feb 23, 2026: +4.4%SPY +15.0% · excess -10.6%

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 0001049502-26-000045, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 20, 2026SOpen-market sale
Common Stock
-1,250$258.06$323k8,362Feb 23, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
3Weak
MKSIsell10b5-1
MKS INC
Elizabeth Mora
director
$75k
300 shares
-2%
65Notable
MKSIsell 3
MKS INC
Gerald G Colella
director
$5.1M
20,000 shares
-33%
55Moderate
MKSIsell 3
MKS INC
Kathleen Flaherty Burke
EVP, GC & Secretary
$1.1M
4,254 shares
-7%
2Weak
MKSIsell10b5-1
MKS INC
Elizabeth Mora
director
$48k
300 shares
-2%
10Weak
MKSIsell10b5-1
MKS INC
James Alan Schreiner
EVP & COO
$99k
711 shares
-3%
16Weak
MKSIsell 310b5-1
MKS INC
Jacqueline F Moloney
director
$37k
300 shares
-3%
35Weak
MKSIsell 310b5-1
MKS INC
David Philip Henry
EVP, Global Str Mktg & GM, MSD
$650k
5,000 shares
-24%
25Weak
MKSIsell 310b5-1
MKS INC
James Alan Schreiner
EVP & COO
$104k
838 shares
-3%
0Weak
MKSIsell10b5-1
MKS INC
Elizabeth Mora
director
$30k
300 shares
-2%
0Weak
MKSIsell10b5-1
MKS INC
Jacqueline F Moloney
director
$28k
300 shares
-2%

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.

Peter Cannone III sold $323k of MKSI | InsiderTell