Director Imrie Brian details options and RSUs in Frontier Nuclear & Minerals (FNUC) Form 3

Rhea-AI Filing Summary

Frontier Nuclear & Minerals Inc. director Imrie Brian filed an initial ownership report showing equity awards and common shares. He holds stock options over 3,846 common shares at an exercise price of $5.0000 expiring on January 30, 2028, and options over 100,000 common shares at $3.0800 expiring on February 23, 2031. He also holds restricted stock units covering 11,442, 8,209 and 12,000 common shares, and 1,538 common shares directly. Footnotes explain that one option grant is fully vested, while other options and RSUs vest on specified future dates or upon conditions such as time-based schedules, change of control, or the issuer’s market capitalization exceeding US$150,000,000 for 10 consecutive trading days.

SEC Form 3

FORM 3

UNITED 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

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1. Name and Address of Reporting Person^*

Imrie Brian

(Last) (First) (Middle)

360 MAIN STREET, 30TH FLOOR

(Street)

WINNIPEG R3C 4G1

(City) (State) (Zip)

MANITOBA, CANADA

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Frontier Nuclear & Minerals Inc. [ FNUC ]

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)

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

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

X	Form 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 Shares	1,538	D

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 Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Options (Right to Buy)	(1)	01/30/2028	Common Shares	3,846	$5	D
Stock Options (Right to Buy)	(2)	02/23/2031	Common Shares	100,000	$3.08	D
Restricted Stock Units	(3)	(4)	Common Shares	11,442	(5)	D
Restricted Stock Units	(6)	(4)	Common Shares	8,209	(5)	D
Restricted Stock Units	(7)	(4)	Common Shares	12,000	(5)	D

Explanation of Responses:

1. The Stock Options are fully vested.

2. The Stock Options were granted on February 23, 2026 under the Issuer's option plan. The Stock Options vest in accordance with the following schedule: (i) 50% vest on February 23, 2027 and (ii) 50% vest on February 23, 2028.

3. The Restricted Stock Units ("RSUs") were granted on July 21, 2025 under the Issuer's restricted share unit award plan ("RSU Plan"). The RSUs will vest on such date as the Reporting Person may elect provided such date is within the time period allowed under the RSU Plan.

4. The RSUs do not expire.

5. Each RSU represents a contingent right to receive one Common Share or the cash equivalent thereof as allowed under the RSU plan.

6. The RSUs were granted on February 23, 2026 under the Issuer's RSU Plan. The RSUs will vest as to the number of shares indicated and, on the later of (i) July 1, 2026; and (ii) such date as the Reporting Person may elect provided such date is within the time period allowed under the RSU Plan. Notwithstanding any provisions within the RSU Plan to the contrary, the RSUs shall be entitled to immediate vest upon the occurrence of a Change of Control (as defined in the RSU Plan) or if vesting is accelerated by the Issuer's Board of Directors.

7. The RSUs were granted on February 23, 2026 under the Issuer's RSU Plan. The RSUs will vest on the later of (i) the earlier of (y) January 1, 2027, or (z) the market capitalization of the Issuer exceeding US$150,000,000 for 10 consecutive trading days; and (ii) such date as the Reporting Person may elect, provided such date is within the time period allowed under the RSU Plan.

	Imrie Brian	03/23/2026
	** 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 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 Frontier Nuclear & Minerals (FNUC) Form 3 for Imrie Brian show?

The Form 3 shows director Imrie Brian’s initial holdings in Frontier Nuclear & Minerals (FNUC), including stock options, restricted stock units and directly held common shares, along with vesting schedules and expiration dates for his equity awards.

How many stock options does Imrie Brian hold in Frontier Nuclear & Minerals (FNUC)?

Imrie Brian holds stock options over 3,846 common shares at an exercise price of $5.0000 expiring January 30, 2028, and options over 100,000 common shares at $3.0800 expiring February 23, 2031, in Frontier Nuclear & Minerals (FNUC).

What restricted stock units does Imrie Brian report in Frontier Nuclear & Minerals (FNUC)?

He reports three restricted stock unit awards covering 11,442, 8,209 and 12,000 Frontier Nuclear & Minerals (FNUC) common shares. Footnotes state the RSUs were granted under the RSU Plan and vest based on elected dates, time-based schedules, change of control, or market capitalization conditions.

How many Frontier Nuclear & Minerals (FNUC) common shares does Imrie Brian own directly?

Imrie Brian directly holds 1,538 common shares of Frontier Nuclear & Minerals (FNUC), in addition to his stock options and restricted stock units, according to the Form 3 initial beneficial ownership report filed as of the reported date.

What are the vesting conditions for Imrie Brian’s options and RSUs in Frontier Nuclear & Minerals (FNUC)?

One option grant is fully vested, while another vests 50% on February 23, 2027 and 50% on February 23, 2028. RSUs vest on dates he elects within plan limits, and some can vest upon change of control or market capitalization exceeding US$150,000,000 for 10 consecutive trading days.