Amentum Holdings, Inc. filings document regulatory reporting for an advanced engineering and technology solutions company serving government, international and commercial customers. The company’s Form 8-K filings report results of operations and financial condition, earnings releases, conference-call materials, material agreements and capital-structure changes, including senior secured term loan and revolving credit facility disclosures involving Amentum Services and Amentum Technology.
Proxy and annual meeting filings describe board elections, auditor ratification, executive compensation votes and related governance procedures. The filing record also documents shareholder voting results, risk and forward-looking statement language, and formal disclosure controls around Amentum’s public-company reporting obligations.
Amentum Holdings, Inc. reports an amended insider ownership filing for its Chief Executive Officer, who also serves as a director. The Form 4/A updates the number of common shares beneficially owned to 333,847 shares held directly after a previously misreported balance.
According to the explanation, the change reflects a non-reportable transfer of shares received from a pro-rata in-kind distribution by Amentum Joint Venture LP to its partners for no consideration at the time of the transaction. The amendment is being filed solely to correct the holding shown in the non-derivative securities table and does not describe a new purchase or sale for cash.
Amentum Holdings, Inc. chief technology officer filed an amended insider ownership report to correct previously reported holdings of company stock. The Form 4/A shows that the officer now directly beneficially owns 220,999 shares of common stock after the update to Table I.
According to the explanation, the change reflects a non-reportable transaction in which shares were transferred through a pro-rata in-kind distribution by Amentum Joint Venture LP to its partners for no consideration as of 11/17/2025. The amendment is described as being made solely to report the correct holding figure, rather than to disclose a new purchase or sale.
Amentum Holdings, Inc. filed an amended insider trading report to correct the share holdings of its Chief Operating Officer. The filing shows that the COO now reports beneficial ownership of 94,299 shares of common stock, held directly after the previously reported transactions dated 11/17/2025. This amended Form 4/A states that the sole purpose of the update is to report the correct holding in Table I, with no new derivative security activity disclosed in Table II.
Amentum Holdings, Inc. Chief Growth Officer reported the vesting of restricted stock units and related tax withholding. On December 17, 2025, 9,298 restricted stock units were converted into an equal number of AMTM common shares, reflecting a scheduled vesting event. On the same date, 4,194 shares of AMTM common stock were tendered to cover tax withholding obligations at a price of $28.67 per share. After these transactions, the officer directly beneficially owns 26,138 shares of AMTM common stock and no remaining restricted stock units from this award.
Amentum Holdings, Inc. is asking stockholders to vote at its virtual 2026 Annual Meeting on February 6, 2026 at 9:00 a.m. EST. Investors will elect thirteen directors, ratify Ernst & Young LLP as independent auditor for fiscal 2026, and cast a non-binding advisory vote on 2025 executive compensation. Holders of common stock as of December 16, 2025 may vote online, by phone, mail, or electronically at the meeting.
The proxy highlights Amentum’s first full year as a newly merged public company, with fiscal 2025 revenues of $14.4 billion, net income of $66 million, Adjusted EBITDA of $1,104 million, diluted EPS of $0.27 and Adjusted diluted EPS of $2.22. Operating cash flow was $543 million and free cash flow was $516 million. Backlog stood at $47 billion, book-to-bill was 1.6x in the fourth quarter and 1.2x for the year, and net debt was reduced to $3.6 billion with net leverage of 3.2x.
The Board has thirteen members, eleven of whom are independent, with fully independent Audit, Compensation, and Nominating & Governance Committees. The company emphasizes majority voting for uncontested director elections, annual board evaluations, stock ownership guidelines, a clawback policy, restrictions on hedging and short sales, and a pay-for-performance executive compensation framework using significant variable and long-term incentives.
Amentum Holdings, Inc. Chief People Officer reported routine equity compensation activity involving company stock. On December 5, 2025, 2,721 restricted stock units were converted into the same number of shares of AMTM common stock as they vested. To cover taxes on this vesting, 1,392 shares of AMTM common stock were tendered at a price of $28.88 per share.
After these transactions, the officer directly beneficially owned 23,600 shares of AMTM common stock and held 5,444 restricted stock units, each representing a contingent right to receive one AMTM share. These reported movements reflect standard vesting and tax withholding mechanics rather than open-market buying or selling.
Amentum Holdings (AMTM) is a global engineering and technology solutions provider serving U.S. and allied government agencies, plus select commercial customers. The company operates through two segments: Digital Solutions (DS), which focuses on intelligence analytics, space systems, cybersecurity and next-generation IT, and Global Engineering Solutions (GES), which delivers large-scale environmental remediation, nuclear power solutions, platform engineering and sustainment.
Amentum was created in September 2024 via a merger of the legacy Amentum business with Jacobs’ Critical Mission Solutions and parts of Jacobs Divergent Solutions, and began trading on the NYSE under the symbol AMTM. The company reports a backlog of $47.1 billion as of October 3, 2025, providing revenue visibility. About 81% of revenue for the year ended October 3, 2025 came from U.S. federal government contracts, highlighting significant exposure to government budgets and procurement trends.
Amentum employs approximately 50,000 people in over 70 countries, with strong positions in defense, intelligence, space, environmental and nuclear markets. Its contracts are primarily cost-plus-fee, fixed-price and time-and-materials, and management emphasizes winning large, complex programs, expanding in high-growth areas such as cybersecurity, hypersonics and advanced energy, and using an asset-light model to prioritize debt reduction and long-term value.
Amentum Holdings, Inc. (AMTM) announced that it released its financial results for the fourth quarter and full year ended October 3, 2025. The company is providing details of these results through a press release dated November 24, 2025.
Amentum also scheduled a conference call and webcast on November 25, 2025 to discuss these results with investors and analysts. The press release and call information are included as Exhibit 99.1, while the cover page information is provided in Inline XBRL as Exhibit 104.
Amentum Holdings, Inc. (AMTM) reported an equity award to its Chief Growth Officer on a Form 4. On November 17, 2025, the officer acquired 17,817 shares of common stock at a price of $0, reflecting a grant of restricted stock units rather than an open-market purchase.
Following this grant, the officer beneficially owns 21,034 shares of Amentum common stock in direct ownership. The award vests over time: one-third of the restricted stock units will vest on each of the first, second and third anniversaries of November 17, 2025, creating a three-year vesting schedule tied to continued service.