Report of Foreign Issuer (6-k)

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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

December 2018

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 o

(Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1))

(Check One) Yes o No x

(Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7))

(Check One) Yes o No x

(Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.)

(Check One) Yes o No x

(If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b). 82- .)

Table of Contents

Table of Contents:

Press Release	3
Signature Page	4

Table of Contents

Purchases of equity securities by the issuer and affiliated purchasers on November 30, 2018

As a result of these transactions, Vale announces that it has completed the repurchase program for up to US$1 billion of its common shares and ADSs, as approved by the Board of Directors on July 25, 2018, having acquired a total of 71,173,683 Vale S.A. common shares, at an average price of US$ 14.05 per share, for a sum of US$ 999,874,356.30.

Company: VALE S.A.

Beginning balance

			%
Type of security	Characteristic of the security	Quantity	Same class of shares		Total capital
Shares	VALE 3	108,548,281.00	2.05	%	2.05	%

Movements

Type of security

Characteristic of
the security

Intermediate

Operation

Date

Quantity

Average price
(Daily)

Volume (R$)

VALE3

SANTANDER CCTVM

Buy

10/30/2018

2.526.400

54.0695

136,601,125

VALE3

ITAÚ CTVM

Buy

31/10/2018

1.272.300

55.8881

71,106,473

VALE3

ITAÚ CTVM

Buy

11/01/2018

1.734.600

57.4795

99,703,874

VALE3

CITI CCTVM

Buy

11/08/2018

1.068.000

58.0720

62,020,944

VALE3

CITI CCTVM

Buy

11/09/2018

4.192.300

54.9376

230,315,152

VALE3

ITAÚ CTVM

Buy

11/13/2018

1.360.500

55.2229

75,130,740

VALE3

ITAÚ CTVM

Buy

11/14/2018

2.150.000

54.9087

118,053,621

Ending balance

			%
Type of security	Characteristic of the security	Quantity	Same class of shares		Total capital
Shares	VALE 3	122,852,381.00	2.32	%	2.32	%

Company: VALE S.A.

Beginning balance

			%
Type of security	Characteristic of the security	Quantity	Same class of shares		Total capital
ADS	VALE	22,180,246.00	0.42	%	0.42	%

Movements

Type of security

Characteristic of
the security

Intermediate

Operation

Date

Quantity

Average price
(Daily)

Volume (US$)

ADS

VALE

XP INVESTMENTS

Buy

10/30/2018

3,254,800

14.5212

47,263,674

ADS

VALE

XP INVESTMENTS

Buy

10/31/2018

1,553,623

15.0240

23,341,661

ADS

VALE

XP INVESTMENTS

Buy

11/01/2018

1,766,900

15.4494

27,297,569

ADS

VALE

XP INVESTMENTS

Buy

11/08/2018

768,586

15.3976

11,834,368

ADS

VALE

XP INVESTMENTS

Buy

11/09/2018

1,522,346

14.5929

22,215,509

ADS

VALE

CREDIT SUISSE SECURITIES

Buy

11/13/2018

1,987,490

14.5455

28,909,036

ADS

VALE

CREDIT SUISSE SECURITIES

Buy

11/14/2018

2,330,000

14.4694

33,713,650

Ending balance

			%
Type of security	Characteristic of the security	Quantity	Same class of shares		Total capital
ADS	VALE	35,363,991.00	0.67	%	0.67	%

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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.