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Updated Jul 16, 2026 · Last SEC filing 2026-06-08
Sunshine Silver Mining & Refining Co (SSMR) has filed 12 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-08. InsiderAlpha tracks every SSMR SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0002091017 |
|---|
| Form 4 filings (90d) | 12 |
|---|---|
| Latest Form 4 filing | 2026-06-08 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| KAPLAN THOMAS SCOTT | Insider | A — Grant or award | 8.9K | $0.00 | — | SEC | |
| KAPLAN THOMAS SCOTT | Insider | M — Option exercise | 2.74M | $2.87 | $7.86M | SEC | |
| KAPLAN THOMAS SCOTT | Insider | F — Tax withholding / forfeiture | 582.0K | $13.50 | $7.86M | SEC | |
| Tigris Financial Group Ltd. | Insider | A — Grant or award | 8.9K | $0.00 | — | SEC | |
| Tigris Financial Group Ltd. | Insider | M — Option exercise | 2.74M | $2.87 | $7.86M | SEC | |
| Tigris Financial Group Ltd. | Insider | F — Tax withholding / forfeiture | 582.0K | $13.50 | $7.86M | SEC | |
| Muniz Quintanilla Daniel | Insider | A — Grant or award | 8.9K | $0.00 | — | SEC | |
| Groh Douglas | Insider | A — Grant or award | 8.9K | $0.00 | — | SEC | |
| Groh Douglas | Insider | P — Open-market purchase | 10.0K | $13.50 | $135K | SEC | |
| Erfan Ali | Insider | A — Grant or award | 8.9K | $0.00 | — | SEC | |
| El-Erian Anna | Insider | A — Grant or award | 8.9K | $0.00 | — | SEC | |
| El-Erian Anna | Insider | P — Open-market purchase | 40.0K | $13.50 | $540K | SEC | |
| White Heather Eileen | Chief Executive Officer | P — Open-market purchase | 2.0K | $13.50 | $27K | SEC | |
| Ebeling Nathan John | Insider | A — Grant or award | 8.9K | $0.00 | — | SEC | |
| Zink Paul H | Insider | A — Grant or award | 8.9K | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Sunshine Silver Mining & Refining Co (SSMR). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| KAPLAN THOMAS SCOTT | 4 | $15.72M |
| Tigris Financial Group Ltd. | 4 | $15.72M |
| Ospraie Real Assets Fund LP | 3 | $15.01M |
| SHEPSTON MICHELLE H | 2 | $68K |
| Groh Douglas | 2 | $135K |
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in SSMR insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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