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sellWeak cluster of 310b5-1 plan

Joel Reiss sold $4.4M of TDG

Co-Chief Operating Officer at TransDigm Group INC. 3,300 shares at an average of $1,321.80, traded Apr 21, 2025, filed Apr 21, 2025.

Warning score
35
Value
$4.4M
3,300 shares
Holdings after
3,600
-48% from before
From 52-week low
+6%
low $1,152.50, close $1,222.49
From 52-week high
-7%
high $1,320.81, as of Apr 21, 2025

Score components

  • Role
    COO
    +20
  • Trade size
    $4.4M at market
    +25
  • Share of holdings sold
    Sold 48% of holdings
    +10
  • 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 +7.8%, 3m +21.2%, 6m +6.5%.

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 Apr 21, 2025: -9.4%SPY +53.9% · excess -63.3%

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 0000950170-25-056353, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 21, 2025MOption exercise
Common Stock10b5-1
+3,300$226.34$747k6,900Apr 21, 2025
Apr 21, 2025SOpen-market sale
Common Stock10b5-1
-300$1,300.00$390k6,600Apr 21, 2025
Apr 21, 2025SOpen-market sale
Common Stock10b5-1
-94$1,316.85$124k6,506Apr 21, 2025
Apr 21, 2025SOpen-market sale
Common Stock10b5-1
-151$1,318.67$199k6,355Apr 21, 2025
Apr 21, 2025SOpen-market sale
Common Stock10b5-1
-182$1,319.31$240k6,173Apr 21, 2025
Apr 21, 2025SOpen-market sale
Common Stock10b5-1
-288$1,320.87$380k5,885Apr 21, 2025
Apr 21, 2025SOpen-market sale
Common Stock10b5-1
-358$1,321.98$473k5,527Apr 21, 2025
Apr 21, 2025SOpen-market sale
Common Stock10b5-1
-110$1,322.61$145k5,417Apr 21, 2025
Apr 21, 2025SOpen-market sale
Common Stock10b5-1
-199$1,323.89$263k5,218Apr 21, 2025
Apr 21, 2025SOpen-market sale
Common Stock10b5-1
-642$1,325.31$851k4,576Apr 21, 2025
Apr 21, 2025SOpen-market sale
Common Stock10b5-1
-571$1,326.52$757k4,005Apr 21, 2025
Apr 21, 2025SOpen-market sale
Common Stock10b5-1
-300$1,327.87$398k3,705Apr 21, 2025
Apr 21, 2025SOpen-market sale
Common Stock10b5-1
-100$1,329.83$133k3,605Apr 21, 2025
Apr 21, 2025SOpen-market sale
Common Stock10b5-1
-5$1,332.00$6,6603,600Apr 21, 2025
Apr 21, 2025MOption exercise
Stock Optionderivative10b5-1
-3,300$0.00$00Apr 21, 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.

Joel Reiss sold $4.4M of TDG | InsiderTell