Materials · Rolling Drawing & Extruding of Nonferrous Metals

KALU KAISER ALUMINUM CORP SEC Filings & Insider Trading Activity 2026

company
CIK 811596115 filings
Russell 2000

KALU at a glance

KAISER ALUMINUM CORP (KALU, SEC CIK 811596) filed its latest 10-K annual report on February 19, 2026, a 10-Q quarterly report on July 23, 2026, an 8-K current report on August 17, 2026 and Form 4 insider filings as recently as June 5, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.

  • For the fiscal year ended December 31, 2025 (FY2025), KAISER ALUMINUM CORP (KALU) reported revenue of $3.4 billion (up 11.5% from FY2024) and net income of $112.5 million. Diluted EPS was $6.77.
  • As of June 30, 2026, 35 institutional investment managers tracked by SignalX reported holding KAISER ALUMINUM CORP (KALU) shares worth $1.8 billion in 13F-HR filings.

Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).

Revenue · FY2025
$3.4B
+11.5% vs prior year
Insiders · 90 days
0 buys · 0 sells
No open-market trades
13F holders
35 funds
$1.8B · +0 vs prior quarter
Latest 8-K
Aug 17, 2026
Item 7.01 · Item 5.02

AI 10-K Annual Report Analysis

Latest 10-K, fiscal year ended Dec 31, 2025

Full analysis →

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
  • Strategic focus on modernization with Trentwood plant upgrades to reduce costs, improve Aero/HS and GE product quality, and increase capacity
  • Investment highlights: significant capital deployed for coating line and Trentwood modernization to support future sales growth
  • Noteworthy: 75% of packaging shipments in 2025 are high-margin coated products from Warrick facility with world-class casting and rolling capacity

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
  • Dependence on third-party security partners for network monitoring and incident response services
  • CIO key-person risk with 25+ years IT and enterprise risk management experience, reporting directly to CFO

Management Discussion & Analysis

  • Risks include increased costs from greenhouse gas regulations, cybersecurity threats, and sustainability-related liabilities
  • Dividends and share repurchases discretionary, subject to Board approval and credit facility restrictions
  • Key risks: evolving sustainability regulations, cyberattacks, staffing shortages, tax law changes, and regulatory compliance burdens

AI summary of the KALU 10-K filed . Generated from the filing text; verify against the original.View on SEC EDGARHow to read a 10-K

AI 10-Q Quarterly Report Analysis

Latest 10-Q, quarter ended Jun 30, 2026

Risk Factors

  • No Risk Factors section provided; no new or changed risks identifiable
  • Stock repurchase authorization: $93.1 million remaining under the $100.0 million program
  • Equity incentive withholding: 262 shares repurchased at average $149.74 for tax obligations

AI summary of the KALU 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K

AI 8-K Current Report Analysis

The most recent material events, by 8-K item

Filed Aug 17, 2026Full analysis →

Item 7.01: Regulation FD Disclosure

  • Leadership transition announced August 17, 2026
  • Press release provides the substantive transition details and is incorporated by reference

Item 5.02: Departure/Appointment of Directors or Principal Officers

  • CEO succession effective November 1, 2026: Fred Stephan replaces Keith Harvey, adding operating leadership experience across 200+ sites and 35+ countries
  • Board expands from nine to ten directors, with Stephan joining as a Class III director through the 2027 annual meeting

Item EX-99.1: Item EX-99.1

  • Fred Stephan appointed President and CEO effective November 1, 2026, succeeding Keith Harvey
  • Harvey becomes Executive Chairman and special advisor through October 31, 2027, preserving leadership continuity
Filed Jul 22, 2026Full analysis →

Item 2.02: Results of Operations and Financial Condition

  • Preliminary, unaudited results cover quarter ended June 30, 2026
  • Press release issued July 22, 2026 and furnished as Exhibit 99.1

Item EX-99.1: Item EX-99.1

  • Record Q2 results: net sales $1.26B, adjusted EBITDA $166M, and adjusted EPS $5.53
  • Conversion Revenue rose 17% to $437M, led by Packaging pricing, mix improvement, and stronger aerospace demand
Filed Jul 13, 2026Full analysis →

Item 8.01: Other Events

  • Quarterly cash dividend declared at $0.77 per common share
  • Payment scheduled for August 14, 2026

Item EX-99.1: Item EX-99.1

  • Quarterly cash dividend declared at $0.77 per share
  • Ex-dividend eligibility requires ownership by July 24, 2026

AI summaries of KALU 8-K current reports filed with the SEC. What 8-K item codes mean

SignalX for KALU

Don't miss the next KALU filing

  • Alerts as it files. A push when KALU files an 8-K or an insider trades.
  • Fund moves. Which tracked funds opened, added or cut KALU, by share count.
  • Ask anything. An AI agent that reads every KALU filing and answers with sources.

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Recent Insider Transactions (Form 4)

Latest reported trades by officers, directors and 10% owners

InsiderTypeDatePrice
STEBBINS DONALD JAJun 4, 2026$178.10
arnold michael cAJun 4, 2026-
Wilcox BrettAJun 4, 2026-
Grimley Richard P.AJun 4, 2026-
HOFFMAN JAMES DONALDAJun 4, 2026-
HOFFMAN JAMES DONALDAJun 4, 2026$178.10
MINOR GLENDA JAJun 4, 2026-
MINOR GLENDA JAJun 4, 2026$178.10

Financial Summary
XBRL

Annual financial summary from SEC XBRL data
MetricFY2023FY2024FY2025
Profitability
Revenue$3.1B$3.0B$3.4B
Operating Income$95.8M$87.7M$188.8M
Net Income$47.2M$46.8M$112.5M
Op. Margin3.1%2.9%5.6%
Net Margin1.5%1.5%3.3%
Balance Sheet
Total Assets$2.3B$2.3B$2.6B
Equity$652.2M$668.0M$826.1M
ROE7.2%7.0%13.6%
Per Share
EPS$2.92$2.87$6.77
Cash Flow
Operating CF-$167.1M$111.4M

Source: XBRL data in KAISER ALUMINUM CORP (KALU)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →

13F Fund Holdings: Quarterly Trend

Latest: Q2 2026

Aggregate KALU share value held by 13F filers tracked by SignalX, by quarter.

Quarterly totals table
KALU shares held by 13F filers tracked by SignalX, by quarter
QuarterFundsTotal value
Q2 202635$1.82B
Q1 202635$1.06B
Q4 202530$980.5M
Q3 202528$662.6M
Q2 202529$680.6M
Q1 202526$322.6M
Q4 202422$360.5M
Q3 202421$220.0M
Position changes: Q1 2026 → Q2 2026
Top Sellers
New Positions
Closed Positions

Source: 13F-HR filings on SEC EDGAR (aggregated from 226 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work

KALU filing archive

AI analysis pages for each 10-K, 10-Q and 8-K

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

FormFiling dateAnalysisSEC
8-KAug 17, 2026Analysis-
SC 13GJul 31, 2026-
10-QJul 23, 2026Analysis
8-KJul 22, 2026Analysis-
8-KJul 13, 2026Analysis-
4Jun 5, 2026-
4Jun 5, 2026-
4Jun 5, 2026-
4Jun 5, 2026-
4Jun 5, 2026-
4Jun 5, 2026-
4Jun 5, 2026-
4Jun 5, 2026-
8-KJun 4, 2026Analysis
SC 13GMay 12, 2026-
4May 1, 2026--
4May 1, 2026--
4Apr 29, 2026--
4Apr 29, 2026--
4Apr 29, 2026--
4Apr 29, 2026--
SC 13GApr 29, 2026-
4Apr 29, 2026--
10-QApr 23, 2026Analysis
8-KApr 22, 2026Analysis-

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KALU SEC filings: frequently asked questions

Which institutions hold KALU stock?

As of June 30, 2026, the largest KAISER ALUMINUM CORP (KALU) holders among the 13F filers tracked by SignalX were BlackRock ($561.6 million), Vanguard Portfolio Management LLC ($276.5 million), State Street Corp ($257.7 million), Dimensional Fund Advisors ($151.8 million), Vanguard Capital Management LLC ($138.3 million). 13F-HR reports are filed up to 45 days after each quarter ends.

What was KALU's revenue in fiscal year 2025?

For the fiscal year ended December 31, 2025 (FY2025), KAISER ALUMINUM CORP (KALU) reported revenue of $3.4 billion (up 11.5% from FY2024) and net income of $112.5 million. Diluted EPS was $6.77. The figures come from the XBRL data in the 10-K.

What are the main risks in KALU's latest 10-K?

In the 10-K filed February 19, 2026, KAISER ALUMINUM CORP (KALU) flagged: 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. (AI summary of the Risk Factors section.)

What did KALU report in its latest 8-K?

KAISER ALUMINUM CORP (KALU) filed an 8-K on August 17, 2026 reporting Item 7.01 (Regulation FD Disclosure) and Item 5.02 (Departure/Appointment of Directors or Principal Officers). Leadership transition announced August 17, 2026.

What are the latest KALU SEC filings?

KAISER ALUMINUM CORP (KALU) filed its latest 10-K annual report on February 19, 2026, a 10-Q quarterly report on July 23, 2026, an 8-K current report on August 17, 2026 and a Form 4 insider filing on June 5, 2026.

What is KALU's SEC CIK number?

KAISER ALUMINUM CORP (KALU)'s SEC Central Index Key (CIK) is 811596. EDGAR lists every KALU filing under that number.

Ask anything about KALU

The research agent reads KALU's filings, financials, insider trades and 13F holders, then answers with sources.