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sellWeak cluster of 310b5-1 plan

David Philip Henry sold $650k of MKSI

EVP, Global Str Mktg & GM, MSD at MKS INC. 5,000 shares at an average of $130.00, traded Sep 18, 2025, filed Sep 19, 2025.

Warning score
35
Value
$650k
5,000 shares
Holdings after
15,571
-24% from before
From 52-week low
+122%
low $58.26, close $129.38
From 52-week high
0%
high $129.38, as of Sep 18, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $650k at market
    +20
  • Share of holdings sold
    Sold 24% of holdings
    +5
  • Cluster
    3 insiders selling within 14 days
    +15
  • 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 +6.1%, 3m +24.2%, 6m +77.0%.

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 Sep 19, 2025: +106.5%SPY +18.6% · excess +87.9%

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 0001049502-25-000027, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 18, 2025SOpen-market sale
Common Stock10b5-1
-5,000$130.00$650k15,571Sep 19, 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
David Philip Henry
EVP, Global Str Mktg & GM, MSD
$1.9M
6,000 shares
-37%
45Moderate
MKSIsell 410b5-1
MKS INC
Gerald G Colella
director
$6.7M
20,000 shares
-50%
56Moderate
MKSIsell 4
MKS INC
Joseph B Donahue
director
$689k
2,100 shares
-17%
38Weak
MKSIsell 410b5-1
MKS INC
David Philip Henry
EVP, Global Str Mktg & GM, MSD
$826k
2,500 shares
-13%
51Moderate
MKSIsell 5
MKS INC
Peter Cannone III
director
$410k
1,350 shares
-15%
48Moderate
MKSIsell 2
MKS INC
Kathleen Flaherty Burke
EVP, GC & Secretary
$1.4M
4,355 shares
-8%
38Weak
MKSIsell 3
MKS INC
Jacqueline F Moloney
director
$73k
340 shares
-3%
60Notable
MKSIsell 11
MKS INC
Eric Robert Taranto
EVP & GM, VSD
$1.0M
4,568 shares
-23%
18Weak
MKSIsell 1110b5-1
MKS INC
Elizabeth Mora
director
$72k
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.

David Philip Henry sold $650k of MKSI | InsiderTell