TransDigm Group INC
TDGNYSEAircraft Parts & Auxiliary Equipment, NECFiscal year ends September 30
Financials through Q3 FY2026, quarter ended Jun 27, 2026Last filing: 10-Q on Aug 4, 2026Score 14/3020% below fair value
$1213.62+66.81 (+5.83%)
Close on Nov 2, 2026Market cap $67.08BP/E 34.0Yield –
TransDigm Acquisition Inventory Step-Up Amortization by Year
Acquisition Inventory Step-Up Amortization (Annual) ($M)
TransDigm Acquisition Inventory Step-Up Amortization: $10M in FY2025, down 52.4% from a year earlier.
Latest, FY2025
10
Period ended Sep 30, 2025
Change on a year earlier
-52.4%
21 in FY2024
History
9 years
Since FY2017
Sources
7
Documents cited below
Where the FY2025 figure comes from
Source: TDG Form 10-K, filed 2025-11-12 ↗
Reported in SEC Form 10-K Business Combinations / Segment Footnote XBRL.
Annual history
Hover a value to see the sentence it was read from; calculated values show their formula
| Period | Ended | Acquisition Inventory Step-Up Amortization (Annual) ($M) | Year on year | Source |
|---|---|---|---|---|
| FY2025 | Sep 30, 2025 | 10 | -52.4% | TDG Form 10-K, filed 2025-11-12 ↗ |
| FY2024 | Sep 30, 2024 | 21 | +950.0% | TDG Form 10-K, filed 2025-11-12 ↗ |
| FY2023 | Sep 30, 2023 | 2 | -33.3% | TDG Form 10-K, filed 2025-11-12 ↗ |
| FY2022 | Sep 30, 2022 | 3 | -50.0% | TDG Form 10-K, filed 2024-11-07 ↗ |
| FY2021 | Sep 30, 2021 | 6 | – | TDG Form 10-K, filed 2023-11-09 ↗ |
| FY2020 | Sep 30, 2020 | 0 | -100.0% | TDG Form 10-K, filed 2022-11-10 ↗ |
| FY2019 | Sep 30, 2019 | 77 | +1,000.0% | TDG Form 10-K, filed 2021-11-16 ↗ |
| FY2018 | Sep 30, 2018 | 7 | -66.0% | TDG Form 10-K, filed 2020-11-12 ↗ |
| FY2017 | Sep 30, 2017 | 20.6 | – | TDG Form 10-K, filed 2019-11-19 ↗ |
Cite this data
StockData. (2026). TransDigm Acquisition Inventory Step-Up Amortization ($M), annual FY2017–FY2025 [Data set]. Compiled from TransDigm SEC filings and investor materials. https://stockdatahq.com/stocks/tdg/kpis/inv-stepup-amort
See every metric in the TransDigm KPI table. Data updated Nov 2, 2026.