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SSMR 10-K & 10-Q changes, risk factors and insider trading

Sunshine Silver Mining & Refining Co · NYSE · Gold And Silver Ores · CIK 2091017 · All filings on SEC.gov

Everything below is quoted or computed from Sunshine Silver Mining & Refining Co's public SEC filings. It is not a recommendation to buy or sell. Automated comparisons can contain errors; confirm with the original filing.

At a glance

5Form 4 filings reporting open-market purchases (last 180 days)
1Form 4 filings reporting open-market sales (last 180 days)

Jump to: Annual report (10-K) · Quarterly report (10-Q) · Insider transactions · 13F holders

What changed in the latest 10-K

Comparison not available: Not available: fewer than two 10-K filings on EDGAR to compare..

What changed in the latest 10-Q

Comparison not available: Not available: fewer than two 10-Q filings on EDGAR to compare (only one so far)..

SSMR insider buying and selling (Form 4)

Since 2026-04-11, insiders reported open-market purchases in 5 Form 4 filings (5 insiders, 1 trade date, 59,565 shares, about $804.1K) and open-market sales in 1 filing (1 insider, 1 trade date, 555,555 shares, about $7.5M). Net open-market shares: -495,990 (purchases minus sales); net value about -$6.7M.Totals add up every open-market (code P and S) line in those filings, using the prices reported in the filings. Awards, option exercises, tax withholding and gifts are listed below but not counted.

Trade dateInsiderTransactionSharesPriceValueOwned afterFiling
2026-06-05Ospraie Holding I, L.p.
10% owner		 Option exercise 2,615,060$2.87 $7.5M25,314,550 SEC
2026-06-05Ospraie Holding I, L.p.
10% owner		 Open-market sale 555,555$13.50 $7.5M24,758,995 SEC
2026-06-05Shepston Michelle H
General Counsel		 Open-market purchase 65$13.50 $87865 SEC
2026-06-05Shepston Michelle H
General Counsel		 Open-market purchase 5,000$13.50 $67.5K5,000 SEC
2026-06-05White Heather Eileen
Director, Chief Executive Officer		 Open-market purchase 2,000$13.50 $27.0K2,000 SEC
2026-06-05Ebeling Nathan John
Director		 Grant/award 8,929— —8,929 SEC
2026-06-05Zink Paul H
Director		 Grant/award 8,929— —8,929 SEC
2026-06-05Radford Lawrence P
Director		 Grant/award 8,929— —8,929 SEC
2026-06-05Radford Lawrence P
Director		 Open-market purchase 2,500$13.50 $33.8K11,429 SEC
2026-06-05Muniz Quintanilla Daniel
Director		 Grant/award 8,929— —8,929 SEC
2026-06-05Groh Douglas
Director		 Open-market purchase 10,000$13.50 $135.0K143,929 SEC
2026-06-05Groh Douglas
Director		 Grant/award 8,929— —133,929 SEC
2026-06-05Erfan Ali
Director		 Grant/award 8,929— —8,929 SEC
2026-06-05El-Erian Anna
Director		 Grant/award 8,929— —8,929 SEC
2026-06-05El-Erian Anna
Director		 Open-market purchase 40,000$13.50 $540.0K48,929 SEC
2026-06-05Manul Capital Management Llc
10% owner		 Grant/award 8,929— —8,929 SEC
2026-06-05Manul Capital Management Llc
10% owner		 Option exercise 2,739,640$2.87 $7.9M78,677,940 SEC
2026-06-05Manul Capital Management Llc
10% owner		 Shares withheld for tax 582,022$13.50 $7.9M78,095,918 SEC
2026-06-05Electrum Strategic Management Llc
Director, 10% owner		 Shares withheld for tax 582,022$13.50 $7.9M78,095,918 SEC
2026-06-05Electrum Strategic Management Llc
Director, 10% owner		 Option exercise 2,739,640$2.87 $7.9M78,677,940 SEC
2026-06-05Electrum Strategic Management Llc
Director, 10% owner		 Grant/award 8,929— —8,929 SEC

Well-known investors holding SSMR (13F)

None of the 59 investors we track reported a position in their latest 13F.

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