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sellModerate cluster of 310b5-1 plan

Kevin M Stein sold $27M of TDG

President & CEO at TransDigm Group INC. 20,000 shares at an average of $1,329.61, traded Apr 14, 2025, filed Apr 15, 2025.

Warning score
50
Value
$27M
20,000 shares
Holdings after
8,158
-71% from before
From 52-week low
+9%
low $1,152.50, close $1,251.10
From 52-week high
-5%
high $1,320.81, as of Apr 14, 2025

Score components

  • Role
    CEO
    +25
  • Trade size
    $26.6M at market
    +25
  • Share of holdings sold
    Sold 71% of holdings
    +20
  • Cluster
    3 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.

This signal so far: 1m +3.3%, 3m +15.8%, 6m +3.1%.

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.

TDGOct 9, 2026 · close 1,108
Since filing Apr 15, 2025: -13.0%SPY +47.1% · excess -60.1%

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 0000950170-25-054387, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 14, 2025MOption exercise
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
+20,000$195.88$3.9M28,158Apr 15, 2025
Apr 14, 2025SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-40$1,313.13$53k28,118Apr 15, 2025
Apr 14, 2025SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-330$1,320.06$436k27,788Apr 15, 2025
Apr 14, 2025SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-285$1,321.80$377k27,503Apr 15, 2025
Apr 14, 2025SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-420$1,323.09$556k27,083Apr 15, 2025
Apr 14, 2025SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-445$1,323.96$589k26,638Apr 15, 2025
Apr 14, 2025SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-4,803$1,325.00$6.4M21,835Apr 15, 2025
Apr 14, 2025SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-671$1,326.19$890k21,164Apr 15, 2025
Apr 14, 2025SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-1,054$1,327.70$1.4M20,110Apr 15, 2025
Apr 14, 2025SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-820$1,328.90$1.1M19,290Apr 15, 2025
Apr 14, 2025SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-370$1,329.83$492k18,920Apr 15, 2025
Apr 14, 2025SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-2,018$1,331.10$2.7M16,902Apr 15, 2025
Apr 14, 2025SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-4,437$1,332.03$5.9M12,465Apr 15, 2025
Apr 14, 2025SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-884$1,333.25$1.2M11,581Apr 15, 2025
Apr 14, 2025SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-1,019$1,334.45$1.4M10,562Apr 15, 2025
Apr 14, 2025SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-1,238$1,335.83$1.7M9,324Apr 15, 2025
Apr 14, 2025SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-1,043$1,336.89$1.4M8,281Apr 15, 2025
Apr 14, 2025SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-120$1,337.78$161k8,161Apr 15, 2025
Apr 14, 2025SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-3$1,338.64$4,0168,158Apr 15, 2025
Apr 14, 2025MOption exercise
Stock Optionderivativeindirect: Fortuna Trust dated June 1, 201810b5-1
-20,000$0.00$073,500Apr 15, 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
$13M
10,132 shares
-32%
38Weak
TDGsell 210b5-1
TransDigm Group INC
Joel Reiss
Co-Chief Operating Officer
$4.8M
3,900 shares
-52%
23Weak
TDGsell 210b5-1
TransDigm Group INC
W Nicholas Howley
director
$12M
10,132 shares
-32%
28Weak
TDGsell 210b5-1
TransDigm Group INC
Joel Reiss
Co-Chief Operating Officer
$4.2M
3,486 shares
-46%
31Weak
TDGsell 210b5-1
TransDigm Group INC
Joel Reiss
Co-Chief Operating Officer
$510k
414 shares
-10%
43Moderate
TDGsell 2
TransDigm Group INC
W Nicholas Howley
director
$13M
10,132 shares
-32%
43Moderate
TDGsell 2
TransDigm Group INC
W Nicholas Howley
director
$13M
10,132 shares
-32%
43Moderate
TDGsell 2
TransDigm Group INC
W Nicholas Howley
director
$13M
10,132 shares
-32%
58Moderate
TDGsell 2
TransDigm Group INC
Joel Reiss
Co-Chief Operating Officer
$5.0M
3,900 shares
-52%

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.

Kevin M Stein sold $27M of TDG | InsiderTell