4/A: Amentum CTO Corrects Shareholding Disclosure

Sentiment:

Insider Ownership Amendment


Amentum Holdings' Chief Technology Officer, Jill L Bruning, filed an amended Form 4 to correct her reported beneficial ownership of common stock.

Summary

  • An amendment to a previously filed Form 4 was submitted to correct the reported holding in Table I.
  • The amendment reflects a non-reportable transaction involving shares transferred from Amentum Joint Venture LP to its partners.
  • No consideration was exchanged for the transfer of shares.
  • Jill L Bruning, Chief Technology Officer, now beneficially owns 220,999 shares of Amentum Holdings, Inc. Common Stock.

Sentiment

Score: 5

Explanation: The filing is a factual correction of beneficial ownership, which is neutral in terms of operational performance but positive for transparency and compliance.

Positives

  • The filing corrects previously reported beneficial ownership, enhancing transparency and accuracy of insider holdings.
  • Clarifies the nature of the transaction as a non-reportable pro-rata distribution from a joint venture for no consideration.

Future Outlook

No forward-looking statements or guidance are provided in this filing.

Industry Context

This filing is an insider transaction report, primarily focused on corporate governance and transparency regarding executive stock ownership, rather than broader industry trends or operational performance.

Corporate Governance

Change TypeDescriptionEffective DateImpact Assessment
Disclosure ComplianceAmendment filed to correct previously reported beneficial ownership of common stock for Chief Technology Officer Jill L Bruning, enhancing accuracy of insider holdings.11/17/2025Improves transparency and adherence to SEC reporting requirements regarding insider transactions.

Related Party Transactions

  • Shares of common stock were transferred from Amentum Joint Venture LP to its partners as a pro-rata distribution in-kind for no consideration, impacting the beneficial ownership of Jill L Bruning.

Stakeholder Impact

  • Shareholders: Provides accurate and updated information regarding insider beneficial ownership, enhancing transparency and trust in reported data.

Key Dates

DateDescription
11/17/2025Date of earliest transaction reported in the filing.
11/19/2025Date the original Form 4 was filed, which this amendment corrects.
12/19/2025Signature date of the amended Form 4/A.

Keywords

Amentum Holdings, AMTM, Form 4/A, beneficial ownership, CTO, Jill L Bruning, insider trading, SEC filing

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