Skip to content
sellModerate cluster of 410b5-1 plan

Kevin M Stein sold $25M of TDG

President & CEO at TransDigm Group INC. 20,000 shares at an average of $1,248.07, traded Dec 12, 2024, filed Dec 16, 2024.

Warning score
50
Value
$25M
20,000 shares
Holdings after
8,158
-71% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CEO
    +25
  • Trade size
    $25.0M at market
    +25
  • Share of holdings sold
    Sold 71% of holdings
    +20
  • 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.

This signal so far: 1m +1.1%, 3m +6.2%, 6m +11.5%.

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 Dec 16, 2024: -7.5%SPY +31.3% · excess -38.8%

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 0000950170-24-136730, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 12, 2024MOption exercise
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
+20,000$195.88$3.9M28,158Dec 16, 2024
Dec 12, 2024SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-100$1,235.80$124k28,058Dec 16, 2024
Dec 12, 2024SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-200$1,237.07$247k27,858Dec 16, 2024
Dec 12, 2024SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-42$1,238.81$52k27,816Dec 16, 2024
Dec 12, 2024SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-366$1,240.44$454k27,450Dec 16, 2024
Dec 12, 2024SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-50$1,241.03$62k27,400Dec 16, 2024
Dec 12, 2024SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-488$1,242.82$606k26,912Dec 16, 2024
Dec 12, 2024SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-308$1,244.39$383k26,604Dec 16, 2024
Dec 12, 2024SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-301$1,244.99$375k26,303Dec 16, 2024
Dec 12, 2024SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-1,746$1,246.37$2.2M24,557Dec 16, 2024
Dec 12, 2024SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-1,640$1,247.00$2.0M22,917Dec 16, 2024
Dec 12, 2024SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-6,737$1,248.01$8.4M16,180Dec 16, 2024
Dec 12, 2024SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-1,081$1,249.00$1.4M15,099Dec 16, 2024
Dec 12, 2024SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-5,536$1,250.01$6.9M9,563Dec 16, 2024
Dec 12, 2024SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-1,352$1,251.47$1.7M8,211Dec 16, 2024
Dec 12, 2024SOpen-market sale
Common Stockindirect: Fortuna Trust dated June 1, 201810b5-1
-53$1,254.00$66k8,158Dec 16, 2024
Dec 12, 2024MOption exercise
Stock Optionderivativeindirect: Fortuna Trust dated June 1, 201810b5-1
-20,000$0.00$0153,500Dec 16, 2024

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%
45Moderate
TDGsell 410b5-1
TransDigm Group INC
Joel Reiss
Co-Chief Operating Officer
$5.0M
3,900 shares
-52%
50Moderate
TDGsell 4
TransDigm Group INC
Robert J Small
director
$6.1M
4,700 shares
-46%
60Notable
TDGsell 4
TransDigm Group INC
Robert J Small
director
$121M
90,953 shares
-21%
40Moderate
TDGsell 410b5-1
TransDigm Group INC
Kevin M Stein
President & CEO
$24M
17,526 shares
-68%
21Weak
TDGsell 510b5-1
TransDigm Group INC
Patrick Joseph Murphy
Co-Chief Operating Officer
$392k
290 shares
-22%
30Weak
TDGsell 510b5-1
TransDigm Group INC
Kevin M Stein
President & CEO
$6.2M
4,592 shares
-36%
30Weak
TDGsell 510b5-1
TransDigm Group INC
Kevin M Stein
President & CEO
$5.7M
4,217 shares
-34%
9Weak
TDGsell 410b5-1
TransDigm Group INC
Kevin M Stein
President & CEO
$313k
230 shares
-3%
25Weak
TDGsell 410b5-1
TransDigm Group INC
Kevin M Stein
President & CEO
$1.5M
1,104 shares
-12%

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 $25M of TDG | InsiderTell