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 · 2026-04-30 vs the prior 10-Q · 2025-10-28
| Section | Outcome | Added | Removed | Minor | Unchanged |
|---|---|---|---|---|---|
| MD&A | Text added/removed | +108 | −159 | ~24 | 29 |
| Controls & procedures | Text added/removed | 0 | 0 | ~2 | 0 |
| Legal proceedings | Text added/removed | 0 | 0 | ~2 | 1 |
| Risk factors | Text added/removed | 0 | 0 | ~1 | 0 |
| 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 · 2026-04-30
During the first quarter of 2026, Alcoa continued to maintain operational performance across its operations while navigating disruptions related to the Middle East conflict (see below) and Cyclone Narelle, which impacted Western Australia at the end of the quarter. The Company remained focused on di…
The global economy has been impacted by the conflict in the Middle East, which has included curtailments of more than 2,500 kmt of annual smelting capacity and nearly 2,000 kmt of refining capacity in the region. Additionally, the disruption of transit through the Strait of Hormuz has restricted the…
Average alumina prices decreased by 4 percent and average aluminum prices increased 12 percent in the first quarter of 2026 compared with the fourth quarter of 2025. In addition, the average Midwest premium increased 21 percent sequentially. Alumina prices continued to be impacted by refinery expans…
The Company continued to advance mine approvals for its next major mine regions (Myara North and Holyoake) and the rolling five-year mine plan (2023-2027) referred to the Western Australia Environmental Protection Authority (WA EPA) in 2023 by a third party. During the first quarter of 2026, Alcoa s…
On April 14, 2026, the Company announced that its wholly-owned subsidiary, Alcoa Nederland Holding B.V. (ANHBV), issued a notice to redeem the remaining $219 aggregate principal amount of its outstanding 6.125% notes due in 2028 (the 2028 Notes). The notes will be redeemed on May 15, 2026 at a price…
Text removed vs the prior filing · source: 10-Q · 2025-10-28
During the third quarter of 2025, Alcoa continued to deliver on operational stability and the optimization of its portfolio, which included closing the sale of the Company’s full ownership interest in the joint venture with Saudi Arabian Mining Company (Ma’aden) and announcing the permanent closure …
Both segments increased production during the third quarter of 2025. Additionally, the Baie-Comeau (Canada), Deschambault (Canada), Mosjøen (Norway), Portland (Australia), and Warrick (Indiana) smelters each set year-to-date aluminum production records.
On March 12, 2025, the United States government imposed a 25% tariff on certain aluminum imports from Canada under Section 232 of the Trade Expansion Act of 1962 (Section 232) which increased to a 50% tariff on June 4, 2025. Prior to March 12, 2025, the Section 232 tariff was 10%, and Canadian metal…
During the third quarter of 2025, the Midwest premium earned on the Company’s U.S. aluminum production more than offset the net unfavorable impact of the Midwest premium and tariff costs on imports of aluminum from its Canadian smelters to U.S. customers. At recent Midwest premium pricing, tariff co…
Alcoa also continued engagement with trade policy makers related to the impacts of tariffs during the third quarter of 2025.
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