Form 4: Spirit AeroSystems Insider Converts Shares Post-Boeing Merger

Scott McLarty, SVP at Spirit AeroSystems, converted his Class A Common Stock and Restricted Stock Units into Boeing common stock and RSUs following the merger agreement.

Summary

• Scott McLarty, SVP, Airbus & Reg Bus. Jets at Spirit AeroSystems Holdings, Inc. (SPR), reported changes in his beneficial ownership.
• On December 8, 2025, 24,639 shares of Spirit AeroSystems Class A Common Stock were automatically canceled and converted into the right to receive shares of The Boeing Company (Boeing) common stock.
• The conversion was pursuant to an Agreement and Plan of Merger dated June 30, 2024, with an exchange ratio of 0.1955 shares of Boeing common stock for each Spirit AeroSystems share.
• Additionally, 32,107 Restricted Stock Units (RSUs) of Spirit AeroSystems held by Mr. McLarty were automatically converted into Boeing RSUs.
• The number of shares of Boeing common stock underlying each Boeing RSU is the product of the original number of Spirit AeroSystems shares subject to the RSU multiplied by the 0.1955 exchange ratio, rounded to the nearest whole number.
• The converted Boeing RSUs retain the same terms and conditions, including vesting, as the original Spirit AeroSystems RSUs, and any accrued but unpaid dividend equivalents were assumed by Boeing.

Sentiment

Score: 5

Explanation: Neutral, as this Form 4 merely reports the mechanical conversion of securities following a merger, which is a factual, non-discretionary event for the reporting person. The filing itself does not convey positive or negative sentiment regarding the company's performance or outlook, but rather the completion of a corporate action.

Future Outlook

NA

Industry Context

This filing reflects the finalization of a significant consolidation event in the aerospace manufacturing sector, where Spirit AeroSystems, a key supplier, was acquired by its largest customer, Boeing. This merger aims to integrate critical supply chains and potentially streamline production for Boeing.

Stakeholder Impact

• Shareholders of Spirit AeroSystems, including the reporting person, had their shares converted into Boeing common stock, altering their investment vehicle and direct ownership in Spirit AeroSystems.

Key Dates

Keywords

Spirit AeroSystems, Boeing, Merger, Form 4, Insider Transaction, Stock Conversion, Restricted Stock Units, SPR, BA