TransDigm Group entered into a definitive agreement to acquire Stellant Systems, Inc., a portfolio company of Arlington Capital Partners, on December 31, 2025 for approximately $960 million in cash, including certain tax benefits.

1. 01

   TransDigm Group entered into a definitive agreement to acquire Stellant Systems, Inc., a portfolio company of Arlington Capital Partners, on December 31, 2025 for approximately $960 million in cash, including certain tax benefits.

2. 02

   The company described Stellant as a leading global designer and manufacturer of high-power electronic components and subsystems serving the aerospace and defense end market. TransDigm Group said Stellant's products are highly engineered, proprietary components with substantial aftermarket content.

3. 03

   The company said approximately 50% of Stellant's revenue is derived from the aftermarket, and nearly all its revenue is generated from proprietary products. TransDigm Group said Stellant is expected to generate approximately $300 million in revenue for the calendar year ended December 31, 2025.

4. 04

   The company said Stellant has manufacturing locations in Torrance, Williamsport, Melville and Topsfield and employs approximately 950 people. TransDigm Group said the acquisition is subject to regulatory approvals in the United States and customary closing conditions.

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Original filing

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