William M. Shaver - 20 Dec 2025 Form 4 Insider Report for McEwen Inc. (MUX)

Reporting relationship: Chief Operating Officer, Director
Issuer ticker: MUX
Reported as of: 20 Dec 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 23 Dec 2025, 16:51:30 UTC
Prior SEC filing: 12 Nov 2025
Next SEC filing: 23 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ William M. Shaver

Key filing fact

William M. Shaver filed Form 4 for McEwen Inc. (MUX) on 23 Dec 2025.

Key facts

This page summarizes William M. Shaver's Form 4 filing for McEwen Inc. (MUX).
8 reported transactions and 4 derivative rows are listed below.
Accepted by SEC: 23 Dec 2025, 16:51.

Change

Previous filing in this sequence was filed on 12 Nov 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001887702 Primary reporting owner

Shaver William M

Relationship: Chief Operating Officer, Director
Address: C/O MCEWEN INC., 150 KING STREET WEST, SUITE 2800, TORONTO, ONTARIO, CANADA
Signature: /s/ William M. Shaver
Signature date: 23 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

MUX transaction

Common Stock

Options Exercise

Transaction value
Shares: +11,740
Change %: +9.1%
Price
Shares after: 140,533
Date: 20 Dec 2025
Ownership: Direct
Footnotes: F1

MUX transaction

Common Stock

Options Exercise

Transaction value
Shares: +5,700
Change %: +4.1%
Price
Shares after: 146,233
Date: 20 Dec 2025
Ownership: Direct
Footnotes: F1

MUX transaction

Common Stock

Options Exercise

Transaction value
Shares: +2,100
Change %: +1.4%
Price
Shares after: 148,333
Date: 20 Dec 2025
Ownership: Direct
Footnotes: F1

MUX transaction

Common Stock

Options Exercise

Transaction value
Shares: +867
Change %: +0.58%
Price
Shares after: 149,200
Date: 20 Dec 2025
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

MUX transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -11,740
Change %: -50%
Price: $0.000000
Shares after: 11,740
Date: 20 Dec 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 11,740
Exercise price
Footnotes: F1, F2

MUX transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -5,700
Change %: -33%
Price: $0.000000
Shares after: 11,400
Date: 20 Dec 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 5,700
Exercise price
Footnotes: F1, F3

MUX transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -2,100
Change %: -50%
Price: $0.000000
Shares after: 2,100
Date: 20 Dec 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,100
Exercise price
Footnotes: F1, F4

MUX transaction Derivative

Restricted Stock Units

Options Exercise

Transaction value: $0
Shares: -867
Change %: -50%
Price: $0.000000
Shares after: 867
Date: 20 Dec 2025
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 867
Exercise price
Footnotes: F1, F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock, or the cash value thereof as set forth in the award agreement, in the discretion of the Issuer's Compensation, Nominating & Corporate Governance Committee.

Footnote F2

The restricted stock units were granted on June 29, 2025 and vested as to 11,740 shares on December 20, 2025. The restricted stock units will vest as to the remaining shares on June 29, 2026.

Footnote F3

The restricted stock units were granted on November 10, 2025 and vested as to 5,700 shares on December 20, 2025. The restricted stock units will vest as to the remaining shares in two equal installments on each of June 29, 2026 and December 20, 2026.

Footnote F4

The restricted stock units were granted on August 11, 2025. Subsequently, the vesting schedule of the restricted stock units was amended to accelerate the second vesting event from December 28, 2025 to December 20, 2025. Accordingly, the restricted stock units vested as to 2,100 shares on December 20, 2025. The restricted stock units will vest as to the remaining shares on June 28, 2026.

Footnote F5

The restricted stock units were granted on September 8, 2025. Subsequently, the vesting schedule of the restricted stock units was amended to accelerate the second vesting event from December 28, 2025 to December 20, 2025. Accordingly, the restricted stock units vested as to 867 shares on December 20, 2025. The restricted stock units will vest as to the remaining shares on June 28, 2026.