Vale details 2026 buybacks, cancels 94.6M shares

Vale S.A. details treasury share and ADR activity for 2026, including large March cancellations and subsequent repurchases while subsidiary holdings stay unchanged.

Rhea-AI Filing Summary

Vale S.A. (VALE) reports its own and certain subsidiaries’ dealings in Vale securities for January–August 2026. The company states that Vale S.A., Mineração Brasileiras Reunidas S.A. and Vale Holdings B.V. held positions in common shares and ADRs, with active trading in March–June and no trades in January–February and July–August.

At Vale S.A. level, the balance moved from 96,075,657 common shares and 5,237,459 ADRs in January to 14,482,658 common shares and zero ADRs by August, driven by purchases and a reported cancellation of 94,610,357 common shares and 5,237,459 ADRs in March. Subsidiary holdings remained constant at 3,534,700 common shares for Mineração Brasileiras Reunidas S.A. and 165,379,611 ADRs for Vale Holdings B.V. throughout the period.

Key Figures

Opening parent-company position January 2026: 96,075,657 common shares; 5,237,459 ADRs Share and ADR cancellation March 27, 2026: 94,610,357 common shares; 5,237,459 ADRs Closing parent-company position August 2026: 14,482,658 common shares; 0 ADRs +4 more

7 metrics

Opening parent-company position January 2026 96,075,657 common shares; 5,237,459 ADRs Vale S.A. opening balance of its own securities in January 2026

Share and ADR cancellation March 27, 2026 94,610,357 common shares; 5,237,459 ADRs Securities recorded as “CANCELLATION OF SHARES” at R$0.00

Closing parent-company position August 2026 14,482,658 common shares; 0 ADRs Vale S.A. closing balance in August 2026

Subsidiary MBR common shares 3,534,700 shares Mineração Brasileiras Reunidas S.A. holdings, unchanged January–August 2026

Vale Holdings B.V. ADR holdings 165,379,611 ADRs Vale Holdings B.V. holdings, unchanged January–August 2026

Example purchase April 1, 2026 300,000 shares at R$79.87758 Common shares purchased via Citigroup Global Markets CCTVM

Example purchase May 4, 2026 3,341,600 shares at R$80.44204 Common shares purchased via Citigroup Global Markets CCTVM

Key Terms

ADR, cancellation of shares, compensation plan, foreign private issuer, +1 more

5 terms

ADR financial

"Other ADR 165,379,611 Transactions During the Month"

An American Depositary Receipt (ADR) is a financial certificate that lets investors buy shares of a foreign company through U.S. stock markets, similar to buying a local wrapper that represents the underlying foreign shares. ADRs matter because they make investing in overseas companies easier and more liquid by trading in U.S. dollars and under U.S. market rules, while still carrying currency, regulatory, and country-specific risks that can affect share value.

cancellation of shares financial

"Banco Bradesco S.A. CANCELLATI ON OF SHARES 27 94,610,357"

compensation plan financial

"Shares ON COMPENSAT ION PLAN 4 734,212 84.48000"

foreign private issuer regulatory

"FORM 6-K/A Report of Foreign Private Issuer"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

derivatives financial

"transactions involving securities and derivatives were carried out"

Derivatives are financial contracts whose value depends on the price or performance of another asset, such as a stock, bond, commodity, currency or interest rate. Investors use them to hedge against risk, to speculate on future price moves, or to gain exposure without owning the asset — like buying insurance or placing a leveraged bet — so they can both protect portfolios and magnify gains or losses, affecting risk and market liquidity.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Vale S.A. (VALE) disclose in this 6-K/A about its own share and ADR positions in 2026?

Vale S.A. discloses monthly positions and trades in its own common shares and ADRs from January–August 2026, including purchases, a cancellation of 94,610,357 common shares and 5,237,459 ADRs in March, and periods with no transactions.

How did Vale S.A.’s treasury share and ADR balances change during 2026 according to the filing for VALE?

Vale S.A.’s balance went from 96,075,657 common shares and 5,237,459 ADRs in January to 5,711,688 shares and zero ADRs after March cancellations, then increased via purchases to 14,482,658 common shares and zero ADRs by August 2026.

Which months in 2026 did Vale S.A. report no trading in its own securities for VALE?

The company reports that in January, February, July, and August 2026 there were no transactions involving Vale S.A.’s own securities or derivatives, with only opening and closing balances shown for those months.

What major share cancellation did Vale S.A. report in March 2026 for VALE?

In March 2026 Vale S.A. reports a cancellation of 94,610,357 common shares and a cancellation of 5,237,459 ADRs, both at a stated price of R$0.00, reducing its recorded balances of those securities.

What share repurchase activity did Vale S.A. disclose in April and May 2026 for VALE?

In April 2026 Vale S.A. purchased several tranches of common shares, including 300,000 shares at R$79.87758 and 300,000 shares at R$83.26322. In May it bought multiple blocks, such as 3,341,600 shares at R$80.44204, plus smaller trades and one very small sale of 30 shares.

Did Vale’s subsidiaries change their holdings of VALE securities during 2026?

The filing shows Mineração Brasileiras Reunidas S.A. holding a constant 3,534,700 common shares in all months, and Vale Holdings B.V. holding a constant 165,379,611 ADRs, with no transactions reported for either entity during January–August 2026.

What is Vale S.A.’s reported position in ADRs at the parent and subsidiary level by August 2026 for VALE?

By August 2026, Vale S.A. reports holding zero ADRs at the parent-company level, while Vale Holdings B.V. continues to hold 165,379,611 ADRs, unchanged from January, according to the disclosed monthly positions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/22/2026 - 05:26 PM Accepted by SEC EDGAR 09/22/2026 - 05:26 PM Learn about SEC filing dates

United States

Securities and Exchange Commission

Washington, D.C. 20549

FORM 6-K/A

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16

of the

Securities Exchange Act of 1934

For the month of

September 2026

Vale S.A.

Praia de Botafogo nº 186, 18º andar, Botafogo
22250-145 Rio de Janeiro, RJ, Brazil

(Address of principal executive office)

(Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.)

(Check One) Form 20-F x Form 40-F ¨

INDIVIDUAL FORM Trading of Securities by the Company itself, its subsidiaries and affiliates In 08/2026 ( ) only the following transactions involving securities and derivatives were carried out. (X) no transactions involving securities and derivatives were carried out. The following positions in securities and derivatives are held. Company Name: VALE S.A. Name: VALE S.A. CPF/CNPJ: 33.592.510/0001-54 Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Shares ON 14,482,658 Other ADR 0 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Shares ON 14,482,658 Other ADR 0 Company Name: VALE S.A. Name: Mineração Brasileiras Reunidas S.A. CPF/CNPJ: 33.417.445/0001-20 Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Shares ON 3,534,700 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Shares ON 3,534,700 Company Name: VALE S.A. Name: Vale Holdings B.V. CPF/CNPJ: Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Other ADR 165,379,611 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Other ADR 165,379,611 INDIVIDUAL FORM Trading of Securities by the Company itself, its subsidiaries and affiliates In 07/2026 ( ) only the following transactions involving securities and derivatives were carried out. (X) no transactions involving securities and derivatives were carried out. The following positions in securities and derivatives are held. Company Name: VALE S.A. Name: VALE S.A. CPF/CNPJ: 33.592.510/0001-54 Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Shares ON 14,482,658 Other ADR 0 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Shares ON 14,482,658 Other ADR 0 Company Name: VALE S.A. Name: Mineração Brasileiras Reunidas S.A. CPF/CNPJ: 33.417.445/0001-20 Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Shares ON 3,534,700 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Shares ON 3,534,700 Company Name: VALE S.A. Name: Vale Holdings B.V. CPF/CNPJ: Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Other ADR 165,379,611 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Other ADR 165,379,611 INDIVIDUAL FORM Trading of Securities by the Company itself, its subsidiaries and affiliates In 06/2026 (X) only the following transactions involving securities and derivatives were carried out. ( ) no transactions involving securities and derivatives were carried out. The following positions in securities and derivatives are held. Company Name: VALE S.A. Name: VALE S.A. CPF/CNPJ: 33.592.510/0001-54 Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Shares ON 12,838,358 Other ADR 0 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Shares ON JP Morgan CCVM Purchase 3 329,200 80.96727 26,654,425.28 Shares ON Citigroup Global Markets CCTVM Purchase 9 650,100 79.19732 51,486,177.73 Shares ON Citigroup Global Markets CCTVM Purchase 10 665,000 77.82042 51,750,577.00 Closing Balance Security/Derivative Security Characteristics Quantity Shares ON 14,482,658 Other ADR 0 Company Name: VALE S.A. Name: Mineração Brasileiras Reunidas S.A. CPF/CNPJ: 33.417.445/0001-20 Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Shares ON 3,534,700 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Shares ON 3,534,700 Company Name: VALE S.A. Name: Vale Holdings B.V. CPF/CNPJ: Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Other ADR 165,379,611 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Other ADR 165,379,611 INDIVIDUAL FORM Trading of Securities by the Company itself, its subsidiaries and affiliates In 05/2026 (X) only the following transactions involving securities and derivatives were carried out. ( ) no transactions involving securities and derivatives were carried out. The following positions in securities and derivatives are held. Company Name: VALE S.A. Name: VALE S.A. CPF/CNPJ: 33.592.510/0001-54 Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Shares ON 7,094,488 Other ADR 0 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Shares ON Citigroup Global Markets CCTVM Purchase 4 3,341,600 80.44204 268,805,120.86 Shares ON Citigroup Global Markets CCTVM Purchase 5 135,200 81.34955 10,998,459.16 Shares ON Citigroup Global Markets CCTVM Purchase 6 625,000 79.21066 49,506,662.50 Shares ON Citigroup Global Markets CCTVM Purchase 7 300,000 78.34877 23,504,631.00 Shares ON Citigroup Global Markets CCTVM Purchase 11 545,000 80.07013 43,638,220.85 Shares ON Citigroup Global Markets CCTVM Purchase 19 81,300 81.29916 6,609,621.71 Shares ON XP Investimentos Purchase 20 90,000 81.77422 7,359,679.80 Shares ON XP Investimentos Purchase 21 625,800 80.66954 50,482,998.13 Shares ON AGORA CORRETORA DE TITULOS E VALORES MOBILIARIOS S/A Sale 26 30 82.85000 2,485.50 Closing Balance Security/Derivative Security Characteristics Quantity Shares ON 12,838,358 Other ADR 0 Company Name: VALE S.A. Name: Mineração Brasileiras Reunidas S.A. CPF/CNPJ: 33.417.445/0001-20 Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Shares ON 3,534,700 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Shares ON 3,534,700 Company Name: VALE S.A. Name: Vale Holdings B.V. CPF/CNPJ: Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Other ADR 165,379,611 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Other ADR 165,379,611 INDIVIDUAL FORM Trading of Securities by the Company itself, its subsidiaries and affiliates In 04/2026 (X) only the following transactions involving securities and derivatives were carried out. ( ) no transactions involving securities and derivatives were carried out. The following positions in securities and derivatives are held. Company Name: VALE S.A. Name: VALE S.A. CPF/CNPJ: 33.592.510/0001-54 Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Shares ON 5,711,688 Other ADR 0 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Shares ON Citigroup Global Markets CCTVM Purchase 1 300,000 79.87758 23,963,274.00 Shares ON Citigroup Global Markets CCTVM Purchase 2 200,000 81.90087 16,380,174.00 Shares ON Citigroup Global Markets CCTVM Purchase 6 250,000 83.09337 20,773,342.50 Shares ON Citigroup Global Markets CCTVM Purchase 7 34,500 82.36125 2,841,463.13 Shares ON Citigroup Global Markets CCTVM Purchase 8 298,300 83.23839 24,830,011.74 Shares ON Citigroup Global Markets CCTVM Purchase 9 300,000 83.26322 24,978,966.00 Closing Balance Security/Derivative Security Characteristics Quantity Shares ON 7,094,488 Other ADR 0 Company Name: VALE S.A. Name: Mineração Brasileiras Reunidas S.A. CPF/CNPJ: 33.417.445/0001-20 Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Shares ON 3,534,700 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Shares ON 3,534,700 Company Name: VALE S.A. Name: Vale Holdings B.V. CPF/CNPJ: Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Other ADR 165,379,611 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Other ADR 165,379,611 INDIVIDUAL FORM Trading of Securities by the Company itself, its subsidiaries and affiliates In 03/2026 (X) only the following transactions involving securities and derivatives were carried out. ( ) no transactions involving securities and derivatives were carried out. The following positions in securities and derivatives are held. Company Name: VALE S.A. Name: VALE S.A. CPF/CNPJ: 33.592.510/0001-54 Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Shares ON 96,075,657 Other ADR 5,237,459 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Shares ON Itaú CTVM Purchase 19 660,000 79.04050 52,166,730.00 Shares ON Itaú CTVM Purchase 20 1,000,000 77.48836 77,488,355.00 Shares ON Itaú CTVM Purchase 23 418,400 75.57476 31,620,479.58 Shares ON Itaú CTVM Purchase 24 1,000,000 75.38664 75,386,640.00 Shares ON Itaú CTVM Purchase 25 500,000 77.62902 38,814,510.00 Shares ON JP Morgan CCVM Purchase 27 156,900 79.53128 12,478,457.83 Shares ON Citigroup Global Markets CCTVM Purchase 30 500,000 78.80996 39,404,980.00 Shares ON Citigroup Global Markets CCTVM Purchase 31 250,000 78.97223 19,743,057.50 Shares ON COMPENSAT ION PLAN 4 734,212 84.48000 62,026,229.76 Shares ON Banco Bradesco S.A. CANCELLATI ON OF SHARES 27 94,610,357 0.00000 0.00 Others ADR Cancellation of shares CANCELLATI ON OF SHARES 27 5,237,459 0.00000 0.00 Shares ON JP Morgan CCVM Purchase 26 495,300 77.87682 38,572,388.00 Closing Balance Security/Derivative Security Characteristics Quantity Shares ON 5,711,688 Other ADR 0 Company Name: VALE S.A. Name: Mineração Brasileiras Reunidas S.A. CPF/CNPJ: 33.417.445/0001-20 Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Shares ON 3,534,700 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Shares ON 3,534,700 Company Name: VALE S.A. Name: Vale Holdings B.V. CPF/CNPJ: Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Other ADR 165,379,611 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Other ADR 165,379,611 INDIVIDUAL FORM Trading of Securities by the Company itself, its subsidiaries and affiliates In 02/2026 ( ) only the following transactions involving securities and derivatives were carried out. (X) no transactions involving securities and derivatives were carried out. The following positions in securities and derivatives are held. Company Name: VALE S.A. Name: VALE S.A. CPF/CNPJ: 33.592.510/0001-54 Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Shares ON 96,075,657 Other ADR 5,237,459 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Shares ON 96,075,657 Other ADR 5,237,459 Company Name: VALE S.A. Name: Mineração Brasileiras Reunidas S.A. CPF/CNPJ: 33.417.445/0001-20 Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Shares ON 3,534,700 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Shares ON 3,534,700 Company Name: VALE S.A. Name: Vale Holdings B.V. CPF/CNPJ: Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Other ADR 165,379,611 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Other ADR 165,379,611 INDIVIDUAL FORM Trading of Securities by the Company itself, its subsidiaries and affiliates In 01/2026 ( ) only the following transactions involving securities and derivatives were carried out. (X) no transactions involving securities and derivatives were carried out. The following positions in securities and derivatives are held. Company Name: VALE S.A. Name: VALE S.A. CPF/CNPJ: 33.592.510/0001-54 Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Shares ON 96.075.657 Other ADR 5.237.459 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Shares ON 96.075.657 Other ADR 5.237.459 Company Name: VALE S.A. Name: Mineração Brasileiras Reunidas S.A. CPF/CNPJ: 33.417.445/0001-20 Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Shares ON 3.534.700 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Shares ON 3.534.700 Company Name: VALE S.A. Name: Vale Holdings B.V. CPF/CNPJ: Qualification: Opening Balance Security/Derivative Security Characteristics Quantity Other ADR 165.379.611 Transactions During the Month Security/Derivative Security Characteristics Broker Transaction Day Quantity Price Volume (R$) Closing Balance Security/Derivative Security Characteristics Quantity Other ADR 165.379.611

 

 

 

 

 

 

 

 

 

 

 

Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	Vale S.A. (Registrant)
	By:	/s/ Thiago Lofiego
Date: September 22, 2026		Director of Investor Relations