U.S. GoldMining (USGO) director exercises 750 RSUs into common shares

Rhea-AI Filing Summary

U.S. GoldMining Inc. director Alastair Charles Still exercised equity awards to acquire additional common shares. On March 16, 2026, he exercised 750 Restricted Stock Units, receiving 750 shares of Common Stock at a stated price of $0.00 per share. Following this transaction, his direct holdings increased to 118,950 shares of Common Stock and 2,250 Restricted Stock Units.

The Restricted Stock Units are part of a 3,000-unit grant awarded on December 16, 2025, which vests in four equal 25% installments every three months over one year from the grant date, turning into common shares as they vest.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Still Alastair Charles

(Last) (First) (Middle)

1830 - 1188 W. GEORGIA STREET

(Street)

VANCOUVER V6E 4A2

(City) (State) (Zip)

BRITISH COLUMBIA, CANADA

(Country)

2. Issuer Name and Ticker or Trading Symbol
U.S. GoldMining Inc. [ USGO ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/16/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/16/2026		M		750	A	(1)	118,950	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	03/16/2026		M			750	(2)	(2)	Common Stock	750	$0	2,250	D

Explanation of Responses:

1. Each Restricted Stock Unit represents the right to receive, at settlement, one share of common stock.

2. On December 16, 2025, the reporting person was granted 3,000 Restricted Stock Units. The Restricted Stock Units vest in four equal installments, 25% shall vest 3 months from December 16, 2025 (the "Grant Date"), 25% shall vest 6 months from the Grant Date, 25% shall vest 9 months from the Grant Date, and 25% shall vest 12 months from Grant Date.

	/s/Alastair Still	03/18/2026
	** Signature of Reporting Person	Date
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 4 (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 4: SEC 1474 (03-26)

FAQ

What did U.S. GoldMining (USGO) director Alastair Still report on this Form 4?

He reported exercising equity awards to receive more shares. On March 16, 2026, he converted 750 Restricted Stock Units into 750 shares of U.S. GoldMining common stock, increasing his direct share ownership and reflecting routine compensation-related activity rather than an open-market stock purchase or sale.

How many U.S. GoldMining (USGO) shares does Alastair Still hold after the transaction?

After the transaction, he directly holds 118,950 shares of common stock. He also continues to hold 2,250 Restricted Stock Units, which represent potential future shares as they vest according to the original grant schedule disclosed in the filing’s footnotes.

What equity award did U.S. GoldMining (USGO) grant to Alastair Still and when?

He was granted 3,000 Restricted Stock Units on December 16, 2025. These RSUs vest in four equal 25% installments every three months over one year from the grant date, gradually converting into common stock as each vesting milestone is reached.

How many Restricted Stock Units vested for U.S. GoldMining (USGO) director Alastair Still in this event?

In this event, 750 Restricted Stock Units vested and were converted. Each unit represents the right to receive one share of common stock at settlement, so 750 vested RSUs resulted in 750 new shares being issued to him without an open-market purchase.

Is this U.S. GoldMining (USGO) Form 4 a stock sale or a routine vesting event?

It reflects a routine vesting and conversion event, not a market sale. The filing shows an exercise of 750 Restricted Stock Units into common stock at $0.00 per share, consistent with compensation awards rather than discretionary buying or selling on the open market.