4/A: Amentum Executive Chair Amends Ownership Report

Sentiment:

Beneficial Ownership Amendment 10 February 2026 4:09 PM

Steven J. Demetriou, Executive Chair of Amentum Holdings, Inc., filed an amended Form 4 to clarify beneficial ownership following a Jacobs Solutions Inc. distribution.

Summary

Steven J. Demetriou, Executive Chair and Director of Amentum Holdings, Inc., filed an amended Form 4 (Form 4/A).
The amendment clarifies beneficial ownership of Amentum common stock.
It reflects a non-reportable transaction for shares transferred from a pro-rata distribution in-kind by Jacobs Solutions Inc. to its shareholders.
This distribution occurred on May 30, 2025, and was for no consideration.
Following this transaction, Demetriou directly owns 837,668 shares of Common Stock.
An additional 23,550 shares of Common Stock are indirectly beneficially owned by his spouse.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral, administrative filing. It provides updated beneficial ownership information but does not contain new operational or financial data to influence sentiment significantly.

Industry Context

StockSavvy.ai notes that Form 4/A filings are routine disclosures for insiders to update their beneficial ownership, often following corporate actions like spin-offs or distributions, as seen with the Jacobs Solutions Inc. event. This filing is administrative and does not provide broader industry insights.

Corporate Governance

Change Type	Description	Effective Date	Impact Assessment
Power of Attorney Grant	Steven J. Demetriou granted Power of Attorney to Michele T. St. Mary, Indira Lall, and Mark Esposito to execute and file SEC forms (Schedule 13D, Forms 3, 4, 5, 144) related to his ownership, acquisition, or disposition of Amentum Holdings, Inc. common stock.	January 22, 2026	Streamlines the process for Demetriou to comply with SEC reporting requirements for his Amentum stock holdings.

Stakeholder Impact

Minimal direct impact on shareholders, employees, customers, suppliers, or creditors as this is an administrative update on an insider's beneficial ownership.

Key Dates

Date	Description
May 30, 2025	Date of pro-rata distribution in-kind by Jacobs Solutions Inc. to its shareholders.
November 6, 2025	Date of earliest transaction reported in the original Form 4.
November 10, 2025	Date the original Form 4 was filed.
January 22, 2026	Date Steven J. Demetriou signed the Power of Attorney.
February 10, 2026	Date the amended Form 4 (Form 4/A) was signed by the attorney-in-fact.

Recommendation

hold

This filing is an administrative update regarding an insider's beneficial ownership following a corporate distribution. It contains no new material information about the company's operations, financial performance, or strategic direction that would warrant a change in investment recommendation. Therefore, a 'hold' recommendation is appropriate as it does not provide a basis for buying or selling.

Keywords

Amentum Holdings, AMTM, Steven J. Demetriou, Form 4/A, Beneficial Ownership, SEC Filing, Jacobs Solutions, Stock Distribution, Executive Chair

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