SPR Spirit Aerosystems Holdings Inc

This page provides comprehensive access to Spirit AeroSystems (SPR) SEC filings, including 10-K, 10-Q, 8-K, and insider trading forms. It highlights how Stock Titan's AI-powered summaries help investors understand complex documents and real-time developments, especially concerning the recent merger with Boeing. Recent filings detail the automatic conversion of Spirit AeroSystems stock and restricted stock units into Boeing common stock for various executives and directors following the merger on December 8, 2025.

Boeing has completed its acquisition of Spirit AeroSystems, aiming to strengthen commercial production, supply chain stability, and aviation safety. This strategic move integrates Spirit's commercial and aftermarket operations under Boeing, while Spirit Defense will operate independently to support defense and space programs. The acquisition includes Spirit’s Boeing-related commercial operations, significantly expanding Boeing’s internal production capabilities and global services.

On December 8, 2025, Boeing completed its acquisition of Spirit AeroSystems, leading to the halting of SPR stock trading and its delisting from the NYSE. Spirit shareholders will receive 0.1955 shares of Boeing (BA) for each SPR share, valued at approximately $40 per SPR share. This deal, totaling about $8.3 billion including debt, signifies a major re-integration for Boeing and a carve-out of Airbus-related assets to Airbus due to regulatory requirements.

Spirit AeroSystems (SPR) has seen an 11% share price increase over the past month, with year-to-date returns of 17.8%, indicating investor optimism for its recovery despite ongoing losses. While its price-to-sales ratio of 0.7x appears undervalued compared to the broader aerospace sector, a Discounted Cash Flow (DCF) model suggests the stock could be trading 88% below its estimated fair value. This discrepancy prompts investors to consider whether the market is overlooking significant potential or if the DCF model is overly optimistic.

Spirit AeroSystems Holdings (SPR) has seen significant share price gains, with a 50% increase over three years, and returns of 9.3% in the last week, 8.2% in the last month, and 17.8% year-to-date. A Discounted Cash Flow (DCF) analysis suggests the stock is 87.4% undervalued, estimating an intrinsic value of $312.4 per share compared to its current trading price of $39.50. However, its Price to Sales ratio of 0.73x is higher than Simply Wall St’s Fair Ratio of 0.35x, indicating it might be overvalued based on revenue.

Boeing Company's stock dropped after the Federal Trade Commission (FTC) mandated the divestiture of substantial assets from Spirit AeroSystems Holdings, Inc. to address antitrust concerns related to Boeing's proposed $8.3 billion acquisition. The FTC's consent order requires Boeing to sell Spirit's businesses supplying aerostructures to Airbus SE and its facility in Subang, Malaysia, to ensure competition in commercial and military aircraft components. These divestitures aim to prevent Boeing from dominating critical aircraft parts and protect rival access to essential components.