---
schema_version: "secwatch.filing_event.v1"
accession: "0001260221-24-000052"
form_type: "8-K"
ticker: "TDG"
cik: "0001260221"
company_name: "TransDigm Group INC"
filed_at: "2024-05-22T23:59:59+00:00"
generated_at: "2026-06-01T09:39:17.243581+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.45
calibrated_materiality_score: 0.45
confidence: "high"
source: SEC EDGAR
---

# TransDigm completes $170M cash acquisition of SEI Industries, aerial firefighting products maker

## Summary
- Acquisition of SEI Industries for approximately $170M in cash, financed from existing cash on hand.
- SEI expected to generate about $30M revenue in 2024; ~85% from aftermarket; employs ~80 people.
- SEI's flagship product is the Bambi Bucket, a proprietary collapsible firefighting bucket used globally.
- Acquisition aligns with TransDigm's proprietary, aftermarket-focused value creation strategy.

## SEC filing metadata
- accession: 0001260221-24-000052
- form_type: 8-K
- ticker: TDG
- cik: 0001260221
- company_name: TransDigm Group INC
- filed_at: 2024-05-22T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.45
- calibrated_materiality_score: 0.45
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1260221/000126022124000052/0001260221-24-000052-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1260221/000126022124000052/tdg-20240522.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001260221-24-000052
- JSON: https://secwatch.observer/filing/0001260221-24-000052.json
- Plain text: https://secwatch.observer/filing/0001260221-24-000052.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.