Sunshine Silver director granted 8,929 RSUs

Ebeling Nathan John reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Ebeling Nathan John reported acquisition or exercise transactions in this Form 4 filing.

Sunshine Silver Mining & Refining Co director Nathan John Ebeling received a grant of 8,929 restricted stock units (RSUs) of common stock. The award is recorded at a price of $0.00 per share because it is a compensation grant, not a market purchase.

Each RSU represents the right to receive one share of common stock. The RSUs vest in full on the earlier of the first anniversary of the grant date or the day immediately preceding the company’s 2027 annual stockholders meeting, provided he continues serving on the Board. Following this grant, he holds 8,929 shares directly.

Insider Trade Summary

Grant/Award: 8,929 shares

Grant/Award 1 txn

Insider Ebeling Nathan John

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	8,929	$0.00	$0.00

Holdings After Transaction: Common Stock — 8,929 shares (Direct)

Footnotes (1)

1. F1. Represents shares of restricted stock units ("RSUs") granted to the reporting person. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs vest in full on the earlier of (i) the first anniversary of the grant date or (ii) the day immediately proceeding the date of the Issuer's 2027 Annual Meeting of Stockholders, subject to the reporting person's continued service as a member of the Issuer's Board of Directors through such date.

Key Figures

RSUs granted: 8,929 shares Grant price: $0.00 per share Shares after grant: 8,929 shares

3 metrics

RSUs granted 8,929 shares Restricted stock unit grant to director on June 5, 2026

Grant price $0.00 per share Compensation award, not open-market purchase

Shares after grant 8,929 shares Total direct holdings following transaction

Key Terms

restricted stock units ("RSUs"), contingent right, vest in full, Annual Meeting of Stockholders

4 terms

restricted stock units ("RSUs") financial

"Represents shares of restricted stock units ("RSUs") granted to the reporting person."

Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.

contingent right financial

"Each RSU represents a contingent right to receive one share of the Issuer's common stock."

vest in full financial

"The RSUs vest in full on the earlier of (i) the first anniversary of the grant date..."

Annual Meeting of Stockholders financial

"the date of the Issuer's 2027 Annual Meeting of Stockholders, subject to the reporting person's continued service..."

FAQ

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

What did Sunshine Silver Mining (SSMR) director Nathan John Ebeling report on this Form 4?

He reported a grant of 8,929 restricted stock units (RSUs) of Sunshine Silver Mining common stock. The grant is a compensation award, not an open-market trade, and increases his direct holdings to 8,929 shares after the transaction.

How many Sunshine Silver Mining (SSMR) shares were granted to Nathan John Ebeling?

He was granted 8,929 restricted stock units, each representing one share of common stock. These units were awarded at a stated price of $0.00 per share as equity compensation rather than a cash purchase in the market.

When do Nathan John Ebeling’s RSUs in Sunshine Silver Mining (SSMR) vest?

The RSUs vest in full on the earlier of the first anniversary of the grant date or the day immediately preceding Sunshine Silver Mining’s 2027 annual stockholders meeting, assuming he remains a Board member through the applicable vesting date.

Is Nathan John Ebeling’s Form 4 transaction in Sunshine Silver Mining (SSMR) a stock purchase?

No, the Form 4 shows a grant of restricted stock units coded as an award acquisition, not an open-market stock purchase. The transaction price is listed as $0.00 per share, indicating equity compensation rather than a cash investment.

How many Sunshine Silver Mining (SSMR) shares does Nathan John Ebeling own after this grant?

After the RSU award, his total direct holdings are 8,929 shares of Sunshine Silver Mining common stock. This reflects the full amount of the granted restricted stock units as reported as shares following the transaction.

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

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Accepted by SEC EDGAR 06/08/2026 - 06:45 PM Learn about SEC filing dates

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

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^*

Ebeling Nathan John

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/05/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/05/2026		A		8,929(1)	A	$0	8,929	D

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

Explanation of Responses:

1. Represents shares of restricted stock units ("RSUs") granted to the reporting person. Each RSU represents a contingent right to receive one share of the Issuer's common stock. The RSUs vest in full on the earlier of (i) the first anniversary of the grant date or (ii) the day immediately proceeding the date of the Issuer's 2027 Annual Meeting of Stockholders, subject to the reporting person's continued service as a member of the Issuer's Board of Directors through such date.

	/s/ Michelle Shepston, as attorney-in-fact	06/08/2026
	** 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.
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)