Sec Form 3/A Filing - Wortzman Jack @ Frontier Nuclear & Minerals Inc. - 2026-03-18

FORM 3/A Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Wortzman Jack 2. Issuer Name and Ticker or Trading Symbol Frontier Nuclear & Minerals Inc. [ FNUC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 360 MAIN STREET, 30TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 03/18/2026 (Street) WINNIPEGR3C 4G1 4. If Amendment, Date Original Filed (MM/DD/YY) 03/18/2026 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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 Stock Options (Right to Buy) $ 5 ( 1 ) 01/30/2028 Common Shares 4,000 D Stock Options (Right to Buy) $ 3.08 ( 2 ) 02/23/2031 Common Shares 104,000 D Restricted Stock Units ( 5 ) ( 3 ) ( 4 ) Common Shares 7,500 D Restricted Stock Units ( 5 ) ( 6 ) ( 4 ) Common Shares 8,209 D Restricted Stock Units ( 5 ) ( 7 ) ( 4 ) Common Shares 10,000 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Wortzman Jack 360 MAIN STREET, 30TH FLOOR WINNIPEGR3C 4G1 X Signatures Wortzman Jack 03/20/2026 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The Stock Options are fully vested. ( 2 )The Stock Options were granted on February 23, 2026 under the Issuers 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 Share Units (RSUs) were granted on July 21, 2025 under the Issuers 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 Issuers 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 Issuers Board of Directors. ( 7 )The RSUs were granted on February 23, 2026 under the Issuers 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.

Remarks: On March 18, 2026, a Form 3 was filed which inadvertently omitted certain securities held by the Reporting Person due to an administrative error. This Form 3 amendment is being filed to correctly report all of the securities beneficially owned by the Reporting Person as of March 18, 2026.

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.
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