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Sunshine Silver Mining & Refining Co (SSMR) reported initial insider holdings of its common stock and related warrants by several large indirect owners. Tigris Financial Group Ltd., Manul Capital Management LLC and GRAT Holdings LLC are each listed as ten percent owners with indirect positions through affiliated entities.
Footnotes explain that large common stock stakes are held directly by Electrum Silver US LLC and Electrum Silver US II LLC, as well as by Tigris Financial Group Ltd., Manul Capital Management LLC and GRAT Holdings LLC, with investment structures involving Electrum-branded funds and partnerships. The filing also shows multiple warrant positions over common stock with exercise prices of $5.0000 and $2.8700 per share expiring in 2027, all held indirectly through Electrum entities.
Sunshine Silver Mining & Refining Co insiders are reporting their existing ownership rather than new trades. Entities affiliated with the Electrum group and Thomas S. Kaplan disclose indirect holdings of Common Stock, including 75,938,300 shares held by Electrum Silver US LLC and 7,365,270 shares held by Electrum Silver US II LLC.
They also report several warrant positions over Common Stock, with exercise prices of $5.00 and $2.87 per share and expirations in 2027. These holdings are owned through LLCs and funds for which Electrum entities act as managers, general partners, or investment advisors.
Sunshine Silver Mining & Refining Co disclosed that Paul H. Zink is a reporting person in connection with the company, serving as a director. This Form 3 filing does not list any transactions or current derivative positions, and instead functions as an initial ownership report for this insider role.
Sunshine Silver Mining & Refining Co director and Chief Executive Officer White Heather Eileen filed an initial Form 3 reporting existing equity interests, with no new purchases or sales. She may be deemed to beneficially own 50,000 shares of common stock and 25,000 warrants held indirectly through White Mining Consulting Inc. The filing also shows 1,463,000 stock options to buy common stock held directly, granted on July 15, 2025, vesting in three equal annual installments and exercisable at $4.00 per share, and warrants exercisable at $5.00 per share until September 30, 2027.
Sunshine Silver Mining & Refining Co Chief Financial Officer Pieter A. van Niekerk has filed an initial Form 3, detailing his equity stake in the company. He reports direct ownership of 75,000 shares of common stock, establishing his baseline share position as an executive.
In addition, he holds warrants exercisable into 37,500 shares of common stock at an exercise price of $5.00 per share, expiring on September 30, 2027. He also holds stock options covering 1,330,000 shares of common stock at an exercise price of $4.00 per share, expiring on July 15, 2035. These options were granted on July 15, 2025 and vest in three equal annual installments on March 17, 2026, 2027 and 2028, subject to his continuous service.
Sunshine Silver Mining & Refining Co reported the initial holdings of its General Counsel, Michelle H. Shepston, on a Form 3. She holds a stock option to buy up to 650,000 shares of common stock at an exercise price of $4.0000 per share, expiring on December 15, 2035. According to a footnote, these options were granted on December 15, 2025 and vest in three equal installments on each of November 11, 2026, November 11, 2027 and November 11, 2028, subject to her continuous service.
Sunshine Silver Mining & Refining Co director Radford Lawrence P has filed an initial statement of beneficial ownership on Form 3. This filing lists him as a director but does not report any share purchases, sales, or other insider transactions in the available data.
Sunshine Silver Mining & Refining Co director Daniel Muniz Quintanilla has reported existing stock option holdings in his Form 3. He holds two fully vested stock option awards, each linked to 500,000 shares of Common Stock, with exercise prices of $4.0000 and $3.0400, both expiring on May 28, 2031.
Sunshine Silver Mining & Refining Co director Douglas Groh has reported his initial equity holdings in a Form 3. He directly holds 125,000 shares of common stock. He also holds warrants exercisable for 50,000 and 12,500 common shares at an exercise price of $5.00 per share, and a stock option for 250,000 common shares at $4.00 per share. The stock options were granted on July 15, 2025 and vest in three equal annual installments on the first three anniversaries of the grant date, while the warrants are exercisable for one share of common stock until the later of two years from the date of purchase or six months after completion of the company’s initial public offering.
Sunshine Silver Mining & Refining Co director Erfan Ali filed an initial ownership report showing indirect stakes in the company. The filing lists 346,160 shares of common stock held indirectly through Ajami Associates Limited, where Ali is a director and may be deemed to beneficially own these securities.
The filing also reports indirect ownership of warrants on 62,500 shares of common stock, with an exercise price of $5.00 per share and an expiration date of September 30, 2027. Each warrant is exercisable for one common share starting from the later of two years after purchase or six months following the company’s initial public offering.