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TransDigm Group Incorporated (TDG)

Industrials · Aerospace & Defense · Large-cap · updated October 16, 2026

NOT A BUY TODAY
What this means. TransDigm Group Incorporated is a strong business by our measures, its shares look fairly priced, and its share price has been weak.
Value44
Quality69
Price trend32
Overall49
1489 of 2764rank among the US stocks we score (our core model buys the top 15)
46%of US stocks we score rank below it

Scores are 0 to 100 against every US stock we track; 50 is average. Recomputed after every US market close.

The business in numbers

Fiscal year to September 2025, from the company's annual filing with the SEC.

Salesyearly sales$8.8B
Sales growthchange from the year before+11.2%
Gross marginshare of sales left after the direct cost of what it sells60.1%
Operating marginshare of sales left after running the business47.2%
Net marginshare of sales kept as profit23.5%
Free-cash-flow marginspare cash generated per $100 of sales20.6%
Return on equityprofit vs. shareholders' accounting valuen/m
Debt / equitydebt vs. shareholders' accounting valuen/m
Change in share countnegative = the company is buying back its shares+0.7%

Insider trades, last 90 days

1 insider sold $12.3M (all under pre-arranged plans) on the open market.

Howley W NicholasDirectorSold (plan)Jul 2010,132 shat $1216.08 · $12.3M

From Form 4 filings with the SEC. Open-market trades only. "Plan" = a sale set up in advance under a 10b5-1 plan, usually routine.

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