Douglas Groh - 05 Jun 2026 Form 4 Insider Report for Sunshine Silver Mining & Refining Co (SSMR)

Reporting relationship: Director
Issuer ticker: SSMR
Reported as of: 05 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 08 Jun 2026, 18:34:44 UTC
Prior SEC filing: 03 Jun 2026
Next SEC filing: 25 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Michelle Shepston, as attorney-in-fact

Key filing fact

Douglas Groh filed Form 4 for Sunshine Silver Mining & Refining Co (SSMR) on 08 Jun 2026.

Key facts

This page summarizes Douglas Groh's Form 4 filing for Sunshine Silver Mining & Refining Co (SSMR).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 08 Jun 2026, 18:34.

Change

Previous filing in this sequence was filed on 03 Jun 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002132385 Primary reporting owner

Groh Douglas

Relationship: Director
Address: 2209 BIG CREEK RD, KELLOGG
Signature: /s/ Michelle Shepston, as attorney-in-fact
Signature date: 08 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SSMR transaction

Common Stock

Award

Transaction value
Shares: +8,929
Change %: +7.1%
Price: $0.000000^*
Shares after: 133,929
Date: 05 Jun 2026
Ownership: Direct
Footnotes: F1

SSMR transaction

Common Stock

Purchase

Transaction value
Shares: +10,000
Change %: +7.5%
Price: $13.50^*
Shares after: 143,929
Date: 05 Jun 2026
Ownership: Direct

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote 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.