STOCK TITAN

Sunshine Silver Mining (SSMR) General Counsel buys 5,065 shares at $13.50

Filing Impact
(Neutral)
Filing Sentiment
(Positive)
Form Type
4

Rhea-AI Filing Summary

Sunshine Silver Mining & Refining Co’s General Counsel, Michelle H. Shepston, reported open-market purchases of the company’s Common Stock. On June 5, 2026, she bought a total of 5,065 shares at $13.50 per share, including 5,000 shares held directly and 65 shares held indirectly through her daughter.

Positive

  • None.

Negative

  • None.
Insider SHEPSTON MICHELLE H
Role General Counsel
Bought 5,065 shs ($68K)
Type Security Shares Price Value
Purchase Common Stock 5,000 $13.50 $68K
Purchase Common Stock 65 $13.50 $877.50
Holdings After Transaction: Common Stock — 5,000 shares (Direct, null); Common Stock — 65 shares (Indirect, By Daughter)
Footnotes (1)
Total shares purchased 5,065 shares Open-market purchases on June 5, 2026
Direct shares purchased 5,000 shares Common Stock, direct ownership after transaction
Indirect shares purchased 65 shares Common Stock, indirect ownership by daughter
Purchase price $13.50 per share Price for both reported transactions
Buy transactions count 2 transactions Both coded as open-market purchases (P)
open-market purchase financial
"transaction_action: "open-market purchase""
An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.
indirect ownership financial
"ownership_type: "indirect" and nature_of_ownership: "By Daughter""
Common Stock financial
"security_title: "Common Stock""
Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.
Form 4 regulatory
"INSIDER FILING DATA (Form 4)"
Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.
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SEC Form 4
FORM 4UNITED 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
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
SHEPSTON MICHELLE H

(Last)(First)(Middle)
2209 BIG CREEK RD

(Street)
KELLOGG IDAHO 83837

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Sunshine Silver Mining & Refining Co [ SSMR ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
General Counsel
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/05/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
CodeVAmount(A) or (D)Price
Common Stock06/05/2026P5,000A$13.55,000D
Common Stock06/05/2026P65A$13.565IBy Daughter
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
/s/ Michelle Shepston06/08/2026
** Signature of Reporting PersonDate
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.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did SSMR’s General Counsel report on this Form 4?

Sunshine Silver Mining & Refining’s General Counsel, Michelle H. Shepston, reported buying 5,065 shares of Common Stock. The purchases were open-market transactions at $13.50 per share, split between direct holdings and shares held indirectly through her daughter.

How many Sunshine Silver Mining (SSMR) shares did Michelle Shepston buy?

Michelle H. Shepston reported purchasing a total of 5,065 SSMR Common Stock shares. The Form 4 shows 5,000 shares acquired as direct ownership and 65 shares acquired as indirect ownership attributed to her daughter on June 5, 2026.

At what price were the SSMR shares purchased in this insider trade?

All reported Sunshine Silver Mining shares were purchased at $13.50 per share. The Form 4 lists two open-market purchase transactions, each executed at the same price, resulting in 5,065 total shares acquired on June 5, 2026.

What portion of Michelle Shepston’s SSMR purchase is held indirectly?

Of the 5,065 SSMR shares reported, 65 are held as indirect ownership. The filing describes these 65 shares as held "By Daughter," while the remaining 5,000 shares are recorded as directly owned Common Stock following the transaction.

Does the Form 4 show any Sunshine Silver Mining share sales by Michelle Shepston?

The Form 4 reports only open-market purchases of Sunshine Silver Mining stock by Michelle H. Shepston. It lists two buy transactions totaling 5,065 shares and shows no corresponding sales or dispositions in this particular filing.