TDGTransDigm Group

Industrials · Aerospace Parts · NYSE

Headquarters: Cleveland, OH
CEO: Kevin M. Stein
Next results: around Nov 11, 2026

RevenueFY2016–25 $8.8B+11.2% Highest in 10 years 10-K FY2025 · XBRL Net incomeFY2016–25 $2.1B+21.0% Highest in 10 years 10-K FY2025 · XBRL Free cash flowFY2016–25 $1.8B−3.4% FY2024: $1.9B 10-K FY2025 · XBRL Operating marginFY2016–25 47.2%+2.7 pts 40.0% in FY2016 10-K FY2025 · XBRL

What changed

10-K filed Nov 12, 2025 against Nov 7, 2024

Area	What changed	Source
Risk factors	2 new paragraphs, nothing like them in the previous 10-K	10-K Item 1A
Cash from operations lower than net income	Cash from operations $2.0B vs net income $2.1B (FY ending 2025-09-30)	10-K · XBRL
Critical audit matters changed	New this year: Annual assessment of goodwill for impairment (“As disclosed in Note 8, the Company had goodwill of $10,612 million at September 30, 2025. As discussed in Note 1 to the consolidated financial statements, goodwill is tested for impairment annually as of the first day of the fourth fiscal quarter, or more frequently, if an event occurs or circumsta”). No longer listed: Valuation of goodwill. Same as last year: F-1	10-K · XBRL
Accounting checks	9 other checks clear, 2 worth a look	10-K · XBRL
Insiders	No open-market buys in the last 90 days	Form 4
Filings	0 in the last 30 days	EDGAR

Each row opens the detail with the quote and the filing. A row is a change worth reading, not a verdict.

What's new, in their words

10-K filed Nov 12, 2025

Paragraphs in Risk Factors that were not in the 10-K filed 2024-11-07. Quoted as filed.

The risks in this area continue to grow, and we expect cyber events will continue to accelerate in frequency and impact as threat actors increasingly use AI and other techniques to circumvent security controls, evade detection and remove forensic evidence.
10-K, Item 1A

All 2 new paragraphs →

Accounting checks

latest 10-K

9 of 11 clear 2 worth a look. Checks, not verdicts.

!
Cash from operations lower than net incomeCash from operations $2.0B vs net income $2.1B (FY ending 2025-09-30)
!
Critical audit matters changedNew this year: Annual assessment of goodwill for impairment (“As disclosed in Note 8, the Company had goodwill of $10,612 million at September 30, 2025. As discussed in Note 1 to the consolidated financial statements, goodwill is tested for impairment annually as of the first day of the fourth fiscal quarter, or more frequently, if an event occurs or circumsta”). No longer listed: Valuation of goodwill. Same as last year: F-1
✓
Receivables +17.1% vs revenue +11.2% (+5.9 pts)
✓
Inventory +11.7% vs revenue +11.2% (+0.5 pts)
✓
Same auditor in both 10-Ks: Ernst & Young LLP
✓
No statement of substantial doubt about going concern
✓
No 8-K item 4.02 in the last 2 years
✓
No NT 10-K or NT 10-Q in the last 2 years
✓
No sentence in the 10-K concludes that controls were not effective because of a material weakness
✓
No 8-K item 2.06 in the last 2 years
✓
No 8-K item 1.03 in the last 2 years

How each check works, with sources →

In the last 30 days

All filings →

Nothing new. The most recent filings:

Sep 29, 20268-K Material agreement signed, New debt or obligation 8-K items 1.01, 2.03
Sep 28, 20268-K Other events 8-K item 8.01
Sep 21, 20268-K Other events 8-K item 8.01
Sep 14, 20268-K Regulation FD disclosure 8-K item 7.01

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