Parker-Hannifin Corporation has entered into a definitive agreement to acquire the Commercial and Defense Aerospace business of CIRCOR International, Inc. for a cash purchase price of $2.55 billion on a cash-free, debt-free basis. This acquisition is expected to add complementary flight-critical motion and flow control capabilities, with CIRCOR Aerospace estimating $270 million in calendar year 2026 sales and over 40% adjusted EBITDA margins before synergies. The transaction is anticipated to be immediately accretive to sales growth, EBITDA margins, adjusted EPS, and cash flow, and is expected to close in the second half of 2026, subject to regulatory approvals.