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sellModerate cluster of 3

Thomas M Montgomery sold $1.3M of AME

SR. VP. - COMPTROLLER at AMETEK INC/. 6,388 shares at an average of $205.05, traded Dec 22, 2025, filed Dec 23, 2025.

Warning score
45
Value
$1.3M
6,388 shares
Holdings after
22,116
-22% from before
From 52-week low
+37%
low $149.99, close $205.30
From 52-week high
0%
high $205.30, as of Dec 22, 2025

Score components

  • Role
    Officer
    +15
  • Trade size
    $1.3M at market
    +25
  • Share of holdings sold
    Sold 22% of holdings
    +5
  • Cluster
    3 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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.

AMEOct 9, 2026 · close 248.58
Since filing Dec 23, 2025: +19.7%SPY +14.1% · excess +5.7%

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 0001037868-25-000103, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 22, 2025MOption exercise
Common Stock
+6,388$85.45$546k28,504Dec 23, 2025
Dec 22, 2025SOpen-market sale
Common Stock
-6,388$205.05$1.3M22,116Dec 23, 2025
Dec 22, 2025MOption exercise
Stock Optionderivative
-6,388$0.00$00Dec 23, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
30Weak
AMEsell
AMETEK INC/
Thomas A Amato
director
$115k
530 shares
-11%
50Moderate
AMEsell 3
AMETEK INC/
Thomas C Marecic
PRES. - ELECTRONIC INSTRUMENTS
$2.9M
14,310 shares
-25%
85Strong
AMEsell 3
AMETEK INC/
David A Zapico
CHIEF EXECUTIVE OFFICER
$5.7M
28,390 shares
-100%
48Moderate
AMEsell 2
AMETEK INC/
David A Zapico
CHIEF EXECUTIVE OFFICER
$17M
88,000 shares
-20%
49Moderate
AMEsell 3
AMETEK INC/
Emanuela Speranza
CHIEF COMMERCIAL OFFICER
$540k
2,700 shares
-9%
43Moderate
AMEsell 2
AMETEK INC/
Ronald J Oscher
CHIEF ADMINISTRATIVE OFFICER
$5.3M
26,290 shares
-40%
55Moderate
AMEsell
AMETEK INC/
John Wesley Hardin
PRES. - ELECTRONIC INSTRUMENTS
$1.5M
7,867 shares
-11%
26Weak
AMEsell
AMETEK INC/
Thomas A Amato
director
$125k
710 shares
-6%
28Weak
AMEsell
AMETEK INC/
Steven W Kohlhagen
director
$250k
1,320 shares
-6%
45Moderate
AMEsell 4
AMETEK INC/
Emanuela Speranza
CHIEF COMMERCIAL OFFICER
$1.3M
6,747 shares
-18%

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.

Thomas M Montgomery sold $1.3M of AME | InsiderTell