KALU KAISER ALUMINUM CORP
company
SEC Filings & Insider Trading Activity 2026

CIK: 811596
Materials
Rolling Drawing & Extruding of Nonferrous Metals 61 filings
Russell 2000

Latest KAISER ALUMINUM CORP (KALU) SEC EDGAR filings in 2026 — including the most recent 10-K annual report filed on February 19, 2026, a 10-Q quarterly report filed on October 23, 2025, an 8-K current report filed on April 22, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for KAISER ALUMINUM CORP (KALU) (SEC CIK 811596), with AI-powered section-by-section summaries updated daily.

10-Q: 41
10-K: 14
8-K: 6

Latest 2026 SEC Filing Dates

10-K Annual Report
Feb 19, 2026
10-Q Quarterly Report
Oct 23, 2025
8-K Current Report
Apr 22, 2026

AI 10-K Annual Report Analysis
Latest 10-K (2025-12-31)

Business Overview

  • Core business: manufacture and sale of semi-fabricated specialty aluminum mill products for aerospace, packaging, general engineering, and automotive markets
  • New emphasis on expanding coated aluminum capacity via fourth coating line at Warrick for higher margin packaging products
+3 more insights

Risk Factors

  • Cybersecurity risk with reliance on internal/external teams and cyber risk insurance for breach recovery costs
  • Board-level oversight of cybersecurity risks with semi-annual reporting by CIO and Cybersecurity Director
+2 more insights

Management Discussion & Analysis

  • No revenue or profitability figures disclosed in text provided
  • No segment performance data provided in text provided
+3 more insights

AI 10-Q Quarterly Report Analysis
Latest 10-Q (2025-09-30)

Management Discussion & Analysis

  • No quarterly revenue or YoY change data disclosed
  • No profitability or margin figures reported
Read full Q3 2025 10-Q analysis →

Annual Reports Archive
10-K

AI-powered analysis of KAISER ALUMINUM CORP (KALU) 10-K annual reports filed with SEC EDGAR.

Quarterly Reports Archive
10-Q

AI-powered analysis of KAISER ALUMINUM CORP (KALU) 10-Q quarterly reports filed with SEC EDGAR.

Financial Summary
XBRL

FY2022FY2023FY2024FY2025
Profitability
Revenue$3.4B$3.1B$3.0B$3.4B
Operating Income$4.0M$95.8M$87.7M$188.8M
Net Income-$29.6M$47.2M$46.8M$112.5M
Op. Margin0.1%3.1%2.9%5.6%
Net Margin-0.9%1.5%1.5%3.3%
Balance Sheet
Total Assets$2.3B$2.3B$2.3B$2.6B
Equity$631.2M$652.2M$668.0M$826.1M
ROE-4.7%7.2%7.0%13.6%

Source: XBRL financial data from KAISER ALUMINUM CORP (KALU) 10-K filings on SEC EDGAR. All figures in USD. Key metrics include revenue, net income, gross profit, gross profit margin, operating income, EPS (diluted), total assets, stockholders' equity, return on equity (ROE), operating cash flow, and capital expenditure.

Latest 2026 SEC Filings — 10-K, 10-Q, 8-K & Form 4

FormFiling DatePeriodAnalysisSEC
8-K
Apr 22, 2026
8-K
Apr 13, 2026
10-K
Feb 19, 2026Dec 31, 2025Analysis
8-K
Feb 18, 2026
8-K
Jan 13, 2026
8-K
Jan 7, 2026
8-K
Dec 19, 2025
10-Q
Oct 23, 2025Sep 30, 2025Analysis
10-Q
Jul 24, 2025Jun 30, 2025
10-Q
Apr 24, 2025Mar 31, 2025
10-K
Feb 20, 2025Dec 31, 2024
10-Q
Oct 24, 2024Sep 30, 2024
10-Q
Jul 26, 2024Jun 30, 2024
10-Q
Apr 25, 2024Mar 31, 2024
10-K
Feb 23, 2024Dec 31, 2023
10-Q
Oct 26, 2023Sep 30, 2023
10-Q
Jul 28, 2023Jun 30, 2023
10-Q
Apr 28, 2023Mar 31, 2023
10-K
Feb 24, 2023Dec 31, 2022
10-Q
Oct 25, 2022Sep 30, 2022
10-Q
Jul 28, 2022Jun 30, 2022
10-Q
Apr 25, 2022Mar 31, 2022
10-K
Mar 1, 2022Dec 31, 2021
10-Q
Oct 26, 2021Sep 30, 2021
10-Q
Jul 26, 2021Jun 30, 2021

Frequently Asked Questions

What are the latest KALU SEC filings in 2026?

KAISER ALUMINUM CORP (KALU) has filed a 10-K annual report on February 19, 2026, a 10-Q quarterly report on October 23, 2025, an 8-K current report on April 22, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.

When did KALU file its most recent 10-K annual report?

KAISER ALUMINUM CORP (KALU) filed its most recent 10-K annual report on February 19, 2026. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.

How do I view KALU 10-Q quarterly reports?

KAISER ALUMINUM CORP (KALU)'s most recent 10-Q quarterly report was filed on October 23, 2025. SignalX displays every KALU 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.

What 8-K current reports has KALU filed recently?

KAISER ALUMINUM CORP (KALU)'s most recent 8-K was filed on April 22, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.

Where can I find KALU insider trading activity (Form 4)?

SignalX aggregates every KALU Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.

How often does KALU file with the SEC?

KAISER ALUMINUM CORP (KALU) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new KALU filing with AI-powered analysis.

What is the difference between 10-K, 10-Q, and 8-K SEC filings?

A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs — such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for KAISER ALUMINUM CORP (KALU).

What is KALU's SEC CIK number?

KAISER ALUMINUM CORP (KALU)'s SEC CIK (Central Index Key) number is 811596. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 811596 to look up all KALU filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

Where can I find KALU return on equity (ROE) and financial data?

SignalX extracts XBRL financial data from KAISER ALUMINUM CORP (KALU) 10-K annual filings, including revenue, net income, gross profit, operating income, EPS, total assets, stockholders' equity, and operating cash flow. Return on equity (ROE) can be derived from net income divided by stockholders' equity. Multi-year financial trends are displayed in the Financial Summary table above.

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