STOCK TITAN

Sunshine Silver (SSMR) CFO discloses stock, warrant and option holdings

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
3

Rhea-AI Filing Summary

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.

Positive

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Insider van Niekerk Pieter A.
Role Chief Financial Officer
Type Security Shares Price Value
holding Stock Option (Right to Buy) -- -- --
holding Warrants -- -- --
holding Common Stock -- -- --
Holdings After Transaction: Stock Option (Right to Buy) — 1,330,000 shares (Direct, null); Warrants — 37,500 shares (Direct, null); Common Stock — 75,000 shares (Direct, null)
Footnotes (1)
  1. These stock options were granted on July 15, 2025 and vest in three equal annual installments on each of March 17, 2026, 2027 and 2028, subject to the reporting person's continuous service. Each warrant is exercisable for one share of common stock until the later of two years from the date of purchase or six months after the completion of the Issuer's initial public offering.
Common stock held 75,000 shares Directly owned common stock reported on Form 3
Warrants underlying shares 37,500 shares Common stock issuable upon warrant exercise at $5.00
Warrant exercise price $5.00 per share Exercise price for warrants expiring September 30, 2027
Stock options underlying shares 1,330,000 shares Common stock covered by options at $4.00
Stock option exercise price $4.00 per share Exercise price for options expiring July 15, 2035
Warrants financial
"Each warrant is exercisable for one share of common stock until the later of two years from the date of purchase..."
Warrants are special documents that give you the right to buy a company's stock at a set price before a certain date. They are often used as a way for companies to attract investors or raise money, and their value can increase if the company's stock price goes up.
Stock Option (Right to Buy financial
"Stock Option (Right to Buy) with underlying security title Common Stock and exercise price of 4.0000..."
initial public offering financial
"six months after the completion of the Issuer's initial public offering."
An initial public offering (IPO) is when a private company first sells its shares to the public and becomes a stock-listed company. It matters because it allows the company to raise money from a wide range of investors, helping it grow, while giving early shareholders a way to sell some of their ownership.
vest financial
"These stock options were granted on July 15, 2025 and vest in three equal annual installments..."
A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.
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SEC Form 3
FORM 3UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0104
Estimated average burden
hours per response:0.5
1. Name and Address of Reporting Person*
van Niekerk Pieter A.

(Last)(First)(Middle)
2209 BIG CREEK RD

(Street)
KELLOGG IDAHO 83837

(City)(State)(Zip)

UNITED STATES

(Country)
2. Date of Event Requiring Statement (Month/Day/Year)
06/03/2026
3. Issuer Name and Ticker or Trading Symbol
Sunshine Silver Mining & Refining Co [ SSMR ]
3a. Foreign Trading Symbol
5. If Amendment, Date of Original Filed (Month/Day/Year)
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Financial Officer
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock75,000D
Table II - Derivative Securities Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4) 2. Date Exercisable and Expiration Date (Month/Day/Year)3. Title and Amount of Securities Underlying Derivative Security (Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 6. Nature of Indirect Beneficial Ownership (Instr. 5)
Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy) (1)07/15/2035Common Stock1,330,000$4D
Warrants (2)09/30/2027Common Stock37,500$5D
Explanation of Responses:
1. These stock options were granted on July 15, 2025 and vest in three equal annual installments on each of March 17, 2026, 2027 and 2028, subject to the reporting person's continuous service.
2. Each warrant is exercisable for one share of common stock until the later of two years from the date of purchase or six months after the completion of the Issuer's initial public offering.
Remarks:
Exhibit 24 - Power of Attorney.
/s/ Michelle Shepston, as attorney-in-fact06/03/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does the Sunshine Silver Mining (SSMR) Form 3 filing show for the CFO?

The Form 3 shows CFO Pieter A. van Niekerk’s initial equity holdings in Sunshine Silver Mining. He reports 75,000 common shares plus significant warrants and stock options, providing transparency into his direct financial stake in SSMR as an executive.

How many Sunshine Silver Mining (SSMR) common shares does the CFO own?

The CFO reports direct ownership of 75,000 shares of Sunshine Silver Mining common stock. This share position represents his current direct equity stake, separate from additional warrants and stock options that could convert into more shares in the future.

What warrants linked to SSMR stock does the CFO hold?

He holds warrants exercisable for 37,500 Sunshine Silver Mining common shares at a $5.00 exercise price. These warrants remain exercisable until September 30, 2027, giving him the right, but not the obligation, to purchase shares at that fixed price.

What stock options in Sunshine Silver Mining (SSMR) has the CFO received?

The CFO holds stock options over 1,330,000 Sunshine Silver Mining common shares at a $4.00 exercise price, expiring July 15, 2035. These options were granted July 15, 2025 and vest in three equal annual installments in 2026, 2027 and 2028.

How do the CFO’s SSMR stock options vest over time?

His 1,330,000 stock options vest in three equal annual installments on March 17, 2026, March 17, 2027 and March 17, 2028. Vesting is conditioned on his continuous service, meaning he must remain with Sunshine Silver Mining to earn each tranche.

Did the SSMR Form 3 report any recent insider share purchases or sales?

The Form 3 functions as an initial ownership statement and does not show any explicit insider share purchases or sales. It primarily lists the CFO’s existing common stock, warrants and stock options rather than documenting new market transactions.