AA — what changed in the latest 10-Q
A section-by-section comparison of AA's newest periodic SEC filing (10-K/10-Q) against the prior same-form filing: paragraphs added and removed per section, with verbatim excerpts. Purely a deterministic text diff — no similarity scores, no directional read, not investment advice.
Comparing 10-Q · 2026-10-29 vs the prior 10-Q · 2026-07-30
| Section | Outcome | Added | Removed | Minor | Unchanged |
|---|---|---|---|---|---|
| MD&A | Text added/removed | +100 | −87 | ~37 | 63 |
| Controls & procedures | Text added/removed | 0 | 0 | ~2 | 0 |
| Legal proceedings | No paragraph-level changes | 0 | 0 | 0 | 3 |
| Risk factors | Text added/removed | +3 | −5 | ~10 | 3 |
| Other information | Text added/removed | 0 | 0 | ~1 | 0 |
Counts are paragraphs; added/removed means text added or removed vs the prior filing — no direction or judgement implied.
Not shown (absent or not faithfully extractable): Market risk (Item 3)
Representative excerpts
Up to 5 excerpts of about 300 characters per section, quoted verbatim from the two SEC filings.
MD&A
Text added vs the prior filing · source: 10-Q · 2026-10-29
During the third quarter of 2026, Alcoa delivered strong operational performance while progressing its key strategic and operational priorities. The Company made further progress toward completing the acquisition of South32 Limited’s (South32) equity interests in certain bauxite, alumina, and alumin…
Average alumina prices increased 8 percent and average aluminum prices decreased 10 percent in the third quarter of 2026 compared with the second quarter of 2026. The alumina price increase was driven by lower expected supply outside of China and improving demand, primarily due to Middle East smelte…
Since announcing the AliGroup acquisition (described below) in June 2026, Alcoa continued to advance the steps required for closing. The Company filed the registration statement on Form S-4, which was subsequently declared effective, and progressed regulatory approvals. In September 2026, Alcoa, thr…
AliGroup includes South32’s 86% interests in the Boddington bauxite mine and the Worsley alumina refinery in Australia; 100% interests in the Hillside aluminum smelter and idled Bayside smelter property in South Africa; and interests of 33% in the Mineração Rio do Norte (MRN) bauxite mine, 36% in th…
The acquisition is expected to reinforce Alcoa’s position as a leading pure-play upstream aluminum company, while strengthening its global portfolio with complementary assets to the Company’s existing portfolio. The acquisition will add a high-quality, low-cost, and globally diversified set of minin…
Text removed vs the prior filing · source: 10-Q · 2026-07-30
During the second quarter of 2026, Alcoa delivered strong operational and financial performance and continued to execute on its strategic priorities, including the announced agreement to acquire South32 Limited’s (South32) equity interests in its bauxite, alumina, and aluminum assets. The Company se…
Average alumina prices decreased 1 percent and average aluminum prices increased 15 percent in the second quarter of 2026 compared with the first quarter of 2026. In addition, the average Midwest premium increased 10 percent and the average Rotterdam premium increased 47 percent sequentially. Alumin…
Since the Middle East conflict began, the region has experienced announced curtailments of more than 2,500 kmt of annual smelting capacity and nearly 2,000 kmt of refining capacity. Additionally, the disruption of transit through the Strait of Hormuz has restricted the inflow of raw materials and ca…
The Transaction reinforces Alcoa’s position as a leading pure-play upstream aluminum company, while strengthening its global portfolio with complementary assets to the Company’s existing portfolio. The acquisition will add a high-quality, low-cost, and globally diversified set of mining, refining, a…
The Transaction includes South32’s 86% interests in the Boddington bauxite mine and the Worsley alumina refinery in Australia; 100% interests in the Hillside aluminum smelter and idled Bayside smelter property in South Africa; and interests of 33% in the Mineração Rio do Norte (MRN) bauxite mine, 36…
Risk factors
Text added vs the prior filing · source: 10-Q · 2026-10-29
Indebtedness incurred to finance the Transaction may increase available capital and credit-related risks.
During the third quarter of 2026, the Company issued $2,600 of senior notes. The Company intends to use the proceeds, together with cash on hand, to fund the approximately $3,100 cash portion of the consideration for the Transaction as well as related fees and expenses. The increased indebtedness ma…
Any of these factors could adversely affect Alcoa’s financial condition, results of operations, cash flows, or credit profile.
Text removed vs the prior filing · source: 10-Q · 2026-07-30
Financing the Transaction may require substantial indebtedness, and permanent financing may not be available on favorable terms, which will increase available capital and credit-related risks.
In connection with the Transaction, the Company obtained commitments for bridge financing of up to $3,100 consisting of a senior unsecured 364-day bridge term loan credit facility available upon closing of the Transaction, subject to customary conditions, including the consummation of the Transactio…
Market conditions, volatility in the credit markets, changes in interest rates, or changes in Alcoa’s credit profile, and other factors outside of Alcoa’s control, could increase borrowing costs or limit the availability of permanent financing on terms acceptable to the Company. If permanent financi…
The increased indebtedness Alcoa expects to incur in connection with the Transaction may, among other impacts, reduce Alcoa’s flexibility to respond to changing business and economic conditions, increase borrowing costs, and limit Alcoa’s ability to pursue strategic opportunities, further increasing…
Any of these factors could adversely affect Alcoa’s financial condition, results of operations, cash flows, credit profile, and the anticipated benefits of the Transaction.
How to read Risk Factors (Item 1A) in a 10-Q
A 10-Q risk-factor section usually takes one of three forms; this page classifies it as one of:
- Pointer — the filer states there have been no material changes and points back to the annual 10-K risk factors; there is no own risk text to compare this quarter.
- Partial update — the filer carves out specific updated risks ("except as set forth below"); the excerpts show exactly what is new this quarter.
- Restated in full — the quarter carries the complete risk-factor text. When the prior quarter was only a pointer there is no prior full text to diff against, so the page flags the section as restated instead.
This describes the filing structure only — it is never a judgement on whether risk went up or down.
Source: text-level diff of the two SEC EDGAR filings · deterministic (no AI-generated content) · for reference only · not investment advice