Company · Ownership research

Sunshine Silver Mining & Refining Co SSMR

CIK 0002091017

Form 3 statements with an event date from Nov 1, 2023 to Nov 15, 2026.

Insider tradingInitial holdingsInstitutional holders

Some filings are submitted jointly by several insiders. The SEC form does not apportion the reported figures between them, so results include every joint filer.

Where insider ownership starts.

Form 3 is an initial ownership statement filed when someone becomes a reporting insider. These holdings do not mean they bought shares that day.

202613 of 13 statements

Holdings date	Insider	Initial holdings
Jun 3, 2026	Ospraie Management, LLC · Anderson Dwight · Ospraie Management, Inc. · Ospraie Holding I, L.P. · Ospraie Real Assets Fund LP · Ospraie Real Assets GP LLC 10% owner / 10% owner / 10% owner / 10% owner / 10% owner / 10% owner	22.70M shares · 2 derivative holdings	▾
Jun 3, 2026	GRAT Holdings LLC · Manul Capital Management LLC · Tigris Financial Group Ltd. 10% owner / 10% owner / 10% owner	5 stock holdings · 5 derivative holdings	▾
Jun 3, 2026	KAPLAN THOMAS SCOTT · ELECTRUM GLOBAL HOLDINGS L.P. · Electrum Group LLC · TEG Global GP Ltd. · Electrum Strategic Opportunities Fund II L.P. · Electrum Strategic Opportunities Fund II GP L.P. · ESOF II GP Ltd. · Electrum Silver US II LLC · Electrum Strategic Management LLC · Electrum Silver US LLC Director · 10% owner / Director · 10% owner / Director · 10% owner / Director · 10% owner / Director · 10% owner / Director · 10% owner / Director · 10% owner / Director · 10% owner / Director · 10% owner / Director · 10% owner	5 stock holdings · 5 derivative holdings	▾
Jun 3, 2026	Zink Paul H Director	No securities reported	▾
Jun 3, 2026	White Heather Eileen Chief Executive Officer · Director	50.00K shares · 2 derivative holdings	▾
Jun 3, 2026	van Niekerk Pieter A. Chief Financial Officer	75.00K shares · 2 derivative holdings	▾
Jun 3, 2026	SHEPSTON MICHELLE H General Counsel	1 derivative holding	▾
Jun 3, 2026	Radford Lawrence P Director	No securities reported	▾
Jun 3, 2026	Muniz Quintanilla Daniel Director	2 derivative holdings	▾
Jun 3, 2026	Groh Douglas Director	125.00K shares · 3 derivative holdings	▾
Jun 3, 2026	Erfan Ali Director	346.16K shares · 1 derivative holding	▾
Jun 3, 2026	El-Erian Anna Director	No securities reported	▾
Jun 3, 2026	Ebeling Nathan John Director	No securities reported	▾

Showing 13 / 13 statements in 2026. The complete set is available through the API.

Sunshine Silver Mining & Refining Co · SSMR

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Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.