Alcoa Corp (AA) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Medium Risk
Moderate dilution risk
Last updated: April 30, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares
Recent Dilution: 56.93% (2 years)
Historical Dilution Factor: significant recent dilution
Outstanding Shares
260M
Potential Supply
0
Additional shares possible
Splits
None
Past 2 years

Summary

AA currently has 264M outstanding shares. with minimal authorized share overhang for future dilution. The company has significantly diluted shareholders by 56.93% over the past 2 years, indicating aggressive capital raising.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
Apr 30, 2026

10-Q filing | 264.0M shares outstanding

260M 0
Oct 28, 2025

10-Q filing | 259.0M shares outstanding

260M 0
Jul 31, 2025

10-Q filing | 259.0M shares outstanding

260M 0
Jul 01, 2025

8-K filing: Alcoa Corporation closed the sale of its 25.1% ownership interest in the Ma'aden joint venture to Saudi Arabian Mining Company, receiving 86 million shares of Ma'aden (valued at approximately $1.2 billion) and $150 million in cash. ($1350.0M proceeds)

260M 0
May 01, 2025

10-Q filing | 259.0M shares outstanding

260M 0
Feb 20, 2025

10-K filing | 258.9M shares outstanding

260M 0
Oct 31, 2024

10-Q filing | 234.0M shares outstanding

230M 0
Aug 02, 2024

10-Q filing | 258.3M shares outstanding

260M 0
Aug 01, 2024

8-K filing: Alcoa filed a Certificate of Designation for 4,041,989 shares of New Alcoa Preferred Stock, and the Board approved Amended and Restated Bylaws, effective July 31, 2024.

180M 0
May 02, 2024

10-Q filing | 179.0M shares outstanding

180M 0
Feb 26, 2024

8-K filing: Alcoa Corporation entered into a Transaction Process and Exclusivity Deed with Alumina Limited and AAC Investments Australia Pty Ltd, and a Conditional Share Sale Agreement with Allan Gray Australia Pty Ltd, regarding the potential acquisition of all shares of Alumina.

180M 0
Feb 21, 2024

10-K filing | 178.0M shares outstanding

180M 0
Oct 26, 2023

10-Q filing | 178.0M shares outstanding

180M 0
Jul 27, 2023

10-Q filing | 178.0M shares outstanding

180M 0
May 04, 2023

10-Q filing | 178.0M shares outstanding

180M 0
Feb 23, 2023

10-K filing | 181.0M shares outstanding

180M 0
Oct 27, 2022

10-Q filing | 179.0M shares outstanding

180M 0
Jul 25, 2022

10-Q filing | 182.0M shares outstanding

180M 0
May 05, 2022

10-Q filing | 184.0M shares outstanding

180M 0
Feb 24, 2022

10-K filing | 186.0M shares outstanding

190M 0
Oct 28, 2021

10-Q filing | 187.0M shares outstanding

190M 0
Jul 29, 2021

10-Q filing | 187.0M shares outstanding

190M 0
May 05, 2021

10-Q filing | 186.0M shares outstanding

190M 0
Feb 25, 2021

10-K filing | 186.0M shares outstanding

190M 0
Oct 30, 2020

10-Q filing | 186.0M shares outstanding

190M 0
Jul 29, 2020

10-Q filing | 186.0M shares outstanding

190M 0
Apr 29, 2020

10-Q filing | 186.0M shares outstanding

190M 0
Feb 21, 2020

10-K filing | 185.0M shares outstanding

190M 0
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