SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
SUN VALLEY GOLD MASTER FUND, LTD

(Last) (First) (Middle)
INTERNATIONAL MANAGEMENT SERVICES LTD
3RD FLR, HARBOUR CTRE, N CHURCH ST BOX61

(Street)
GRAND CAYMAN E9 KY1-1102

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
VISTA GOLD CORP [ VGZ ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
03/27/2018
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Shares 03/27/2018 S 1,374,592 D $0.755 5,341,015 I See Footnote(1)
Common Shares 03/27/2018 P 1,374,592 A $0.755 13,281,529 D(2)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
1. Name and Address of Reporting Person*
SUN VALLEY GOLD MASTER FUND, LTD

(Last) (First) (Middle)
INTERNATIONAL MANAGEMENT SERVICES LTD
3RD FLR, HARBOUR CTRE, N CHURCH ST BOX61

(Street)
GRAND CAYMAN E9 KY1-1102

(City) (State) (Zip)
1. Name and Address of Reporting Person*
SUN VALLEY GOLD LLC

(Last) (First) (Middle)
620 SUN VALLEY ROAD
P.O. BOX 2759

(Street)
SUN VALLEY ID 83353

(City) (State) (Zip)
1. Name and Address of Reporting Person*
Palmedo Peter F.

(Last) (First) (Middle)
620 SUN VALLEY ROAD
P.O. BOX 2759

(Street)
SUN VALLEY ID 83353

(City) (State) (Zip)
Explanation of Responses:
1. The Common Shares are held in the accounts of advisory clients of Sun Valley Gold LLC and may be deemed to be beneficially owned by Sun Valley Gold LLC and Peter F. Palmedo, the managing member of Sun Valley Gold LLC. Peter F. Palmedo and Sun Valley Gold LLC are included in this Form 4 filing as reporting persons for the first time as a correction to previous Form 3 and Form 4 filings. Peter F. Palmedo and Sun Valley Gold LLC may be deemed to have been beneficial owners of securities of the Issuer as of the Form 3 filed by Sun Valley Gold Master Fund, Ltd. on July 31, 2012. This Form 4 filing serves to correct the Form 3 filing on July 31, 2012 as well as the Form 4 filings by Sun Valley Gold Master Fund, Ltd. on December 21, 2012, August 19, 2016, August 22, 2016 and August 24, 2016.
2. The Common Shares are held by Sun Valley Gold Master Fund, Ltd. and may be deemed to be beneficially owned by Sun Valley Gold LLC, the investment manager of Sun Valley Gold Master Fund, Ltd., and Peter F. Palmedo, the managing member of Sun Valley Gold LLC.
Sun Valley Gold Master Fund, Ltd., By: Peter F. Palmedo /s/ Peter F. Palmedo 04/13/2018
Sun Valley Gold LLC By: /s/ Peter F. Palmedo 04/13/2018
/s/ Peter F. Palmedo 04/13/2018
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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