Company filings profile · CIK 0002091017
Sunshine Silver Mining & Refining Co — SEC filings & insider activity.
Real, source-linked SEC EDGAR activity for Sunshine Silver Mining & Refining Co (SSMR): 6 filings in the last 90 days vs 33 in the prior 90 (filing-velocity cooling ↓ · 0.18×). Latest material 8-K events, insider Form-4 transactions, and periodic reports — monitored for change.
✔ Verified against the public SEC EDGAR filing record as of Sep 19, 2026. Source-linked, daily-refreshed.
Material 8-K events — Sunshine Silver Mining & Refining Co
8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).
| Filed | Event | |
|---|---|---|
| Sep 18, 2026 | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Aug 12, 2026 | Results of Operations (earnings); Financial Statements and Exhibits | ↗ |
| Jul 23, 2026 | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
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Insider transactions (Form 4 / 3 / 5)
Recent filings
| Filed | Form | Detail | |
|---|---|---|---|
| Sep 18, 2026 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Aug 12, 2026 | 8-K | Results of Operations (earnings); Financial Statements and Exhibits | ↗ |
| Aug 12, 2026 | 10-Q | 10-Q | ↗ |
| Aug 10, 2026 | SCHEDULE 13G | ↗ | |
| Aug 7, 2026 | SCHEDULE 13G | ↗ | |
| Jul 23, 2026 | 8-K | Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jun 8, 2026 | 4 | ↗ | |
| Jun 8, 2026 | 4 | FORM 4 | ↗ |
| Jun 8, 2026 | 4 | FORM 4 | ↗ |
| Jun 8, 2026 | 4 | FORM 4 | ↗ |
| Jun 8, 2026 | 4 | FORM 4 | ↗ |
| Jun 8, 2026 | 4 | FORM 4 | ↗ |
| Jun 8, 2026 | 4 | FORM 4 | ↗ |
| Jun 8, 2026 | 4 | FORM 4 | ↗ |
| Jun 8, 2026 | 4 | FORM 4 | ↗ |
| Jun 8, 2026 | 4 | FORM 4 | ↗ |
| Jun 8, 2026 | 4 | 4 | ↗ |
| Jun 8, 2026 | 4 | 4 | ↗ |
| Jun 5, 2026 | S-8 | S-8 | ↗ |
| Jun 5, 2026 | 424B4 | 424B4 | ↗ |
| Jun 3, 2026 | EFFECT | Item ; Item ; Item | ↗ |
| Jun 3, 2026 | 3 | ↗ | |
| Jun 3, 2026 | 3 | 3 | ↗ |
| Jun 3, 2026 | 3 | 3 | ↗ |
| Jun 3, 2026 | 3 | FORM 3 | ↗ |
| Jun 3, 2026 | 3 | FORM 3 | ↗ |
| Jun 3, 2026 | 3 | FORM 3 | ↗ |
| Jun 3, 2026 | 3 | FORM 3 | ↗ |
| Jun 3, 2026 | 3 | FORM 3 | ↗ |
| Jun 3, 2026 | 3 | FORM 3 | ↗ |
| Jun 3, 2026 | 3 | FORM 3 | ↗ |
| Jun 3, 2026 | 3 | FORM 3 | ↗ |
| Jun 3, 2026 | 3 | FORM 3 | ↗ |
| Jun 3, 2026 | 3 | FORM 3 | ↗ |
| Jun 3, 2026 | CERT | NYSE CERTIFICATION | ↗ |
| Jun 3, 2026 | 8-A12B | 8-A12B | ↗ |
| May 26, 2026 | S-1/A | S-1/A | ↗ |
| May 11, 2026 | S-1 | S-1 | ↗ |
| Apr 3, 2026 | DRS/A | ↗ | |
| Dec 18, 2025 | DRS | ↗ |