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Close of Nov 06, 2026 · end-of-day data
AMTM 8-K filings in 2025
Every material Form 8-K Amentum filed with the SEC in 2025, read and summarized by AI: what happened, the key figures, whether it reads positive or negative for shareholders, and how big a deal it is (impact 1-5). Newest first; each brief links to its own page and to the filing on SEC.gov.
Amentum reported fourth-quarter and full-year fiscal 2025 results (ended October 3, 2025) and initiated fiscal 2026 guidance. Full-year GAAP revenue rose 72% to $14.4 billion and net income attributable to common shareholders was $66 million, compared with a $82 million loss a year earlier, largely reflecting the combination with Jacobs' CMS businesses. Fourth-quarter GAAP diluted EPS fell 42% to $0.16, while fiscal 2026 guidance calls for revenue of $13.95 billion to $14.30 billion and adjusted diluted EPS of $2.25 to $2.45.
Full-year GAAP revenue $14.4 billion, up 72%; pro forma revenue up 4% to $14.4 billion
Full-year GAAP diluted EPS $0.27 vs. $(0.90) prior year; adjusted diluted EPS $2.22, up 11%
Fourth-quarter GAAP diluted EPS $0.16 vs. $0.28 a year earlier (down 42%)
Fiscal 2026 guidance: revenue $13.95 billion to $14.30 billion; adjusted diluted EPS $2.25 to $2.45; free cash flow $525 million to $575 million
Amentum reported third-quarter fiscal 2025 results for the period ended June 27, 2025, with pro forma revenue up 2% year over year and pro forma Adjusted EBITDA up 7%. The company raised its fiscal 2025 organic revenue guidance and the low end of its Adjusted Diluted EPS guidance, while GAAP results improved from a year earlier largely because of the Jacobs CMS combination.
Q3 revenue was $3.6 billion ($3,561 million), up 2% on a pro forma basis; GAAP revenue rose 66% to $3,561 million from $2,142 million.
Q3 GAAP net income was $10 million, or $0.04 per diluted share, compared with a net loss of $26 million, or $0.29 per share, a year earlier.
Q3 Adjusted EBITDA was $274 million, up 7%, and Adjusted Diluted EPS was $0.56, up from $0.51.
Fiscal 2025 revenue guidance was raised to $13,975 million to $14,175 million from $13,850 million to $14,150 million; Adjusted Diluted EPS guidance low end rose to $2.05 from $2.00.
Amentum reported results for the quarter ended March 28, 2025, with net income of $4 million compared with a loss of $41 million a year earlier. Pro forma revenue rose 1% to $3.49 billion and Adjusted EBITDA rose 3% to $268 million, while the company kept the midpoints of its fiscal 2025 guidance and narrowed its revenue range to $13.85 billion to $14.15 billion.
Q2 net income of $4 million, or $0.02 per diluted share, versus a loss of $41 million, or $0.46 per share, a year earlier
Pro forma revenue of $3,491 million, up 1%; Adjusted EBITDA of $268 million, up 3%; Adjusted diluted EPS of $0.53 versus $0.51
Fiscal 2025 guidance midpoints reaffirmed; revenue range narrowed to $13,850 million to $14,150 million from $13,800 million to $14,200 million
Free cash flow of $53 million in the quarter; backlog of $44.8 billion as of March 28, 2025
Amentum reported first-quarter fiscal 2025 results for the period ended December 27, 2024, with GAAP revenue of $3.4 billion, up 72% from a year earlier mainly because of the combination with Jacobs' CMS businesses. On a pro forma basis, which includes CMS in the prior-year period, revenue rose 2%, and GAAP net income attributable to common shareholders was $12 million compared with a loss of $41 million a year earlier. The company reaffirmed its fiscal 2025 guidance, which matters to shareholders because it signals management still expects the full-year targets to hold.
GAAP revenue was $3,416 million versus $1,983 million a year earlier; pro forma revenue grew 2% to $3,416 million from $3,338 million.
Net income attributable to common shareholders was $12 million, or $0.05 diluted EPS, versus a loss of $41 million, or $(0.46), a year earlier.
Pro forma Adjusted EBITDA rose 3% to $262 million; Free Cash Flow was $102 million.
Fiscal 2025 guidance was reaffirmed: revenue of $13.8 billion to $14.2 billion and Adjusted Diluted EPS of $2.00 to $2.20.
Amentum's Compensation Committee approved a equity grant to CEO John Heller on January 28, 2025, consisting of 1,373,955 options and 155,938 restricted stock units. The company says the grant is meant to make up value lost when prior equity awards were converted in connection with the transaction that made Amentum a public company.
Option award: 1,373,955 options with an exercise price of $22.71, vesting ratably over three years and expiring on the fourth anniversary of the grant date
RSU award: 155,938 restricted stock units vesting ratably on the first, second and third anniversaries of the grant date
Vesting may accelerate upon qualifying termination of employment
Option award agreement filed as Exhibit 10.1; RSU form agreement was previously filed with an 8-K on November 13, 2024
Briefs are written by AI from the filing text (each brief's own page names the model) and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the model's reading of the filing for shareholders, not a price forecast. Not investment advice.
Only material 8-Ks get a brief: results, deals, executive changes, restructuring, impairments, delisting notices, restatements, cybersecurity incidents and other disclosed events. Routine filings (vote results, exhibits only) are skipped. Every Amentum filing is on SEC EDGAR ↗. 8-K briefs of other companies →