Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]

United States

Securities and Exchange Commission

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer

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

of the

Securities Exchange Act of 1934

For the month of

January 2024

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 ¨

Purchases of equity securities by the issuer and affiliated purchasers on December 31, 2023.

Company: VALE S.A.
Beginning balance
Beginning balance
Type of security	Characteristic of the security				Quantity	%
Type of security	Characteristic of the security				Quantity	Same class of shares	Total capital
Shares	VALE3				81,411,383	1.79%	1.79%
Movements
Movements
Type of security	Characteristic of the security	Intermediate	Operation	Date	Quantity	Average price (Daily)	Volume (R$)
Shares	VALE3	Itaú Corretora de Valores S.A	Buy	12/11/23	500,000	72.61275	36,306,375.00
Shares	VALE3	Itaú Corretora de Valores S.A	Buy	12/12/23	500,000	72.90787	36,453,937.00
Shares	VALE3	Itaú Corretora de Valores S.A	Buy	12/13/23	500,000	72.72473	36,362,363.00
Ending balance
Ending balance
Type of security	Characteristic of the security				Quantity	%
Type of security	Characteristic of the security				Quantity	Same class of shares	Total capital
Shares	VALE3				82,911,383	1.83%	1.83%



Company: VALE S.A.
Beginning balance
Beginning balance
Type of security	Characteristic of the security				Quantity	%
Type of security	Characteristic of the security				Quantity	Same class of shares	Total capital
ADS	VALE				0	0.00%	0.00%
Movements
Movements
Type of security	Characteristic of the security	Intermediate	Operation	Date	Quantity	Average price (Daily)	Volume (R$)
-	-	-	-	-	-	-	-
Ending balance
Ending balance
Type of security	Characteristic of the security				Quantity	%
Type of security	Characteristic of the security				Quantity	Same class of shares	Total capital
ADS	VALE				0	0.00%	0.00%

Purchases of equity securities by the issuer and affiliated purchasers on December 31, 2023.

Company: MBR S.A.
Beginning balance
Beginning balance
Type of security	Characteristic of the security				Quantity	%
Type of security	Characteristic of the security				Quantity	Same class of shares	Total capital
Shares	VALE3				0	0.00%	0.00%
Movements
Movements
Type of security	Characteristic of the security	Intermediate	Operation	Date	Quantity	Average price (Daily)	Volume (R$)
-	-	-	-	-	-	-	-
Ending balance
Ending balance
Type of security	Characteristic of the security				Quantity	%
Type of security	Characteristic of the security				Quantity	Same class of shares	Total capital
Shares	VALE3				0	0.00%	0.00%



Company: MBR S.A.
Beginning balance
Beginning balance
Type of security	Characteristic of the security				Quantity	%
Type of security	Characteristic of the security				Quantity	Same class of shares	Total capital
ADS	VALE				0	0.00%	0.00%
Movements
Movements
Type of security	Characteristic of the security	Intermediate	Operation	Date	Quantity	Average price (Daily)	Volume (R$)
-	-	-	-	-	-	-	-
Ending balance
Ending balance
Type of security	Characteristic of the security				Quantity	%
Type of security	Characteristic of the security				Quantity	Same class of shares	Total capital
ADS	VALE				0	0.00%	0.00%

Purchases of equity securities by the issuer and affiliated purchasers on December 31, 2023.

Company: Vale Holdings B.V.
Beginning balance
Beginning balance
Type of security	Characteristic of the security				Quantity	%
Type of security	Characteristic of the security				Quantity	Same class of shares	Total capital
Shares	VALE3				0	0.00%	0.00%
Movements
Movements
Type of security	Characteristic of the security	Intermediate	Operation	Date	Quantity	Average price (Daily)	Volume (R$)
-	-	-	-	-	-	-	-
Ending balance
Ending balance
Type of security	Characteristic of the security				Quantity	%
Type of security	Characteristic of the security				Quantity	Same class of shares	Total capital
Shares	VALE3				0	0.00%	0.00%



Company: Vale Holdings B.V.
Beginning balance
Beginning balance
Type of security	Characteristic of the security				Quantity	%
Type of security	Characteristic of the security				Quantity	Same class of shares	Total capital
ADS	VALE				154,741,897	3.41%	3.41%
Movements
Movements
Type of security	Characteristic of the security	Intermediate	Operation	Date	Quantity	Average price (Daily)	Volume (R$)
ADS	VALE	Santander Investment Securities Inc.	Buy	12/11/23	500,000	14.68658	36,305,217.26
ADS	VALE	Santander Investment Securities Inc.	Buy	12/12/23	500,000	14.67415	36,300,922.76
ADS	VALE	Santander Investment Securities Inc.	Buy	12/13/23	500,000	14.65585	36,331,847.02
Ending balance
Ending balance
Type of security	Characteristic of the security				Quantity	%
Type of security	Characteristic of the security				Quantity	Same class of shares	Total capital
ADS	VALE				156,241,897	3.44%	3.44%

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.