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sellWeak cluster of 210b5-1 plan

David Philip Henry sold $210k of MKSI

EVP, Operations & Corp Mktg at MKS INC. 2,000 shares at an average of $105.00, traded Jul 3, 2025, filed Jul 7, 2025.

Warning score
15
Value
$210k
2,000 shares
Holdings after
20,571
-9% from before
From 52-week low
+78%
low $58.26, close $103.91
From 52-week high
-14%
high $121.34, as of Jul 3, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $210k at market
    +12
  • Share of holdings sold
    Sold 8.9% of holdings
    0
  • Cluster
    2 insiders selling within 14 days
    +8
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

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 -12.3%, 3m +36.8%, 6m +73.1%.

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 Jul 7, 2025: +160.5%SPY +27.1% · excess +133.3%

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 0001127602-25-018975, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jul 3, 2025SOpen-market sale
Common Stock10b5-1
-2,000$105.00$210k20,571Jul 7, 2025

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 4
MKS INC
James Alan Schreiner
EVP & COO
$1.2M
3,500 shares
-15%
28Weak
MKSIsell 610b5-1
MKS INC
James Alan Schreiner
EVP & COO
$248k
781 shares
-3%
52Moderate
MKSIsell 810b5-1
MKS INC
Michelle M McCarthy
SVP & Chief Accounting Officer
$767k
2,434 shares
-100%
65Notable
MKSIsell 9
MKS INC
David Philip Henry
EVP, Global Str Mktg & GM, MSD
$1.9M
6,000 shares
-37%
20Weak
MKSIsell 910b5-1
MKS INC
Elizabeth Mora
director
$95k
300 shares
-2%
45Moderate
MKSIsell 1010b5-1
MKS INC
Gerald G Colella
director
$6.7M
20,000 shares
-50%
56Moderate
MKSIsell 10
MKS INC
Joseph B Donahue
director
$689k
2,100 shares
-17%
38Weak
MKSIsell 910b5-1
MKS INC
David Philip Henry
EVP, Global Str Mktg & GM, MSD
$826k
2,500 shares
-13%
45Moderate
MKSIsell 1110b5-1
MKS INC
John Tseng-Chung Lee
President & CEO
$3.2M
10,000 shares
-6%

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.