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sellWeak cluster of 410b5-1 plan

Patrick Joseph Murphy sold $786k of TDG

Co-Chief Operating Officer at TransDigm Group INC. 580 shares at an average of $1,354.76, traded Oct 27, 2025, filed Oct 28, 2025.

Warning score
32
Value
$786k
580 shares
Holdings after
1,055
-35% from before
From 52-week low
+18%
low $1,152.50, close $1,354.46
From 52-week high
-11%
high $1,516.55, as of Oct 27, 2025

Score components

  • Role
    COO
    +20
  • Trade size
    $786k at market
    +22
  • Share of holdings sold
    Sold 35% of holdings
    +10
  • Cluster
    4 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -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.

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.

TDGOct 9, 2026 · close 1,108
Since filing Oct 28, 2025: -17.0%SPY +14.5% · excess -31.6%

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 0001193125-25-253835, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Oct 27, 2025MOption exercise
Common Stock10b5-1
+580$269.42$156k1,635Oct 28, 2025
Oct 27, 2025SOpen-market sale
Common Stock10b5-1
-580$1,354.76$786k1,055Oct 28, 2025
Oct 27, 2025MOption exercise
Stock Optionderivative10b5-1
-580$0.00$02,320Oct 28, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
30Weak
TDGsell10b5-1
TransDigm Group INC
Joel Reiss
Co-Chief Operating Officer
$4.3M
3,900 shares
-52%
23Weak
TDGsell 210b5-1
TransDigm Group INC
W Nicholas Howley
director
$12M
10,132 shares
-32%
38Weak
TDGsell 210b5-1
TransDigm Group INC
Joel Reiss
Co-Chief Operating Officer
$4.9M
3,900 shares
-52%
10Weak
TDGbuy
TransDigm Group INC
Robert J Small
director
$1,285
1 shares
+0%
23Weak
TDGsell 210b5-1
TransDigm Group INC
W Nicholas Howley
director
$13M
10,168 shares
-32%
38Weak
TDGsell 210b5-1
TransDigm Group INC
Joel Reiss
Co-Chief Operating Officer
$5.0M
3,900 shares
-52%
65Notable
TDGbuy
TransDigm Group INC
Michael Lisman
President & CEO
$1.2M
950 shares
+41%
14Weak
TDGsell 210b5-1
TransDigm Group INC
Patrick Joseph Murphy
Co-Chief Operating Officer
$415k
290 shares
-22%
33Weak
TDGsell 210b5-1
TransDigm Group INC
Kevin M Stein
President & CEO
$53M
36,925 shares
-66%
48Moderate
TDGsell 210b5-1
TransDigm Group INC
Kevin M Stein
President & CEO
$16M
11,075 shares
-58%

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.

Patrick Joseph Murphy sold $786k of TDG | InsiderTell