Jeffrey Chan - 20 Dec 2025 Form 4 Insider Report for McEwen Inc. (MUX)

Role: VP - Finance
Signature: /s/ Jeffrey Chan
Issuer symbol: MUX
Transactions as of: 20 Dec 2025
Net transactions value: $0
Form type: 4
Filing time: 23 Dec 2025, 16:54:33 UTC
Previous filing: 12 Nov 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Chan Jeffrey	VP - Finance	C/O MCEWEN INC., 150 KING STREET WEST, SUITE 2800, TORONTO, ONTARIO, CANADA	/s/ Jeffrey Chan	23 Dec 2025	0002012198

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MUX	Common Stock	Options Exercise		+588	+19%		3,691	20 Dec 2025	Direct	F1
transaction	MUX	Common Stock	Options Exercise		+275	+7.5%		3,966	20 Dec 2025	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MUX	Restricted Stock Units	Options Exercise	$0	-1,266	-50%	$0.000000	1,266	20 Dec 2025	Common Stock	1,266		Direct	F1, F2
transaction	MUX	Restricted Stock Units	Options Exercise	$0	-533	-50%	$0.000000	533	20 Dec 2025	Common Stock	533		Direct	F1, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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.
F2	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 1,266 shares on December 20, 2025, of which 678 shares settled for cash. The restricted stock units will vest as to the remaining shares on June 28, 2026.
F3	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 533 shares on December 20, 2025, of which 258 shares settled for cash. The restricted stock units will vest as to the remaining shares on June 28, 2026.