SEC FORM 3

SEC FORM 3SEC 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^*

SHERIFF WILLIAM M

(Last)

(First)

(Middle)

ONE GALLERIA TOWER

13355 NOEL RD, SUITE 1700

(Street)

DALLAS

TEXAS

75240

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
04/20/2026

3. Issuer Name and Ticker or Trading Symbol
enCore Energy Corp. [ EU ]

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
X	Officer (give title below)	Other (specify below)
	Executive Chairman

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 Stock	1,337,169	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)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	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)
Stock Option (Right to Buy)	⁽¹⁾	02/14/2027	Common Stock	366,667	$3.07⁽²⁾	D
Stock Option (Right to Buy)	⁽³⁾	05/17/2028	Common Stock	350,000	$2.04⁽⁴⁾	D
Stock Option (Right to Buy)	⁽⁵⁾	06/13/2029	Common Stock	325,000	$4.14⁽⁶⁾	D
Stock Option (Right to Buy)	⁽⁷⁾	09/24/2028	Common Stock	320,000	$3.1	D
Restricted Stock Unit	⁽⁸⁾	⁽⁸⁾	Common Stock	482,589	⁽⁹⁾	D
Stock Option (Right to Buy)	⁽¹⁰⁾	05/26/2026	Common Stock	66,667	$3.16⁽¹¹⁾	I	See Footnote⁽¹²⁾
Stock Option (Right to Buy)	⁽¹³⁾	05/17/2028	Common Stock	50,000	$2.04⁽¹⁴⁾	I	See Footnote⁽¹²⁾
Stock Option (Right to Buy)	⁽¹⁵⁾	06/13/2029	Common Stock	100,000	$4.14⁽¹⁶⁾	I	See Footnote⁽¹²⁾
Stock Option (Right to Buy)	⁽¹⁷⁾	10/08/2030	Common Stock	30,000	$3.47	I	See Footnote⁽¹²⁾
Restricted Stock Unit	⁽¹⁸⁾	⁽¹⁸⁾	Common Stock	102,500	⁽⁹⁾	I	See Footnote⁽¹²⁾

Explanation of Responses:

1. On February 14, 2022, the reporting person was granted 366,667 stock options of enCore Energy Corp. (the "Company") pursuant to the Company's Stock Option Plan. The stock options are fully vested and became exercisable in four equal installments beginning on August 14, 2022, which was the six-month anniversary of the date on which the stock options were granted.

2. Represents an exercise price of $4.200 Canadian dollars, converted to U.S. dollars at the daily average exchange rate of $1.00 to CAD$1.366 reported by the Bank of Canada on April 20, 2026.

3. On May 17, 2023, the reporting person was granted 350,000 stock options of the Company pursuant to the Company's Stock Option Plan. The stock options vested and became exercisable one-fourth on November 17, 2023, one-fourth on May 17, 2024, one-fourth on November 17, 2024 and one-fourth on May 17, 2025.

4. Represents an exercise price of $2.790 Canadian dollars, converted to U.S. dollars at the daily average exchange rate of $1.00 to CAD$1.366 reported by the Bank of Canada on April 20, 2026.

5. On June 13, 2024, the reporting person was granted 325,000 stock options of the Company pursuant to the Company's Stock Option Plan. The stock options vested and became exercisable one-fourth on December 13, 2024, one-fourth on June 13, 2025 and one-fourth on December 13, 2025, and will vest and become exercisable one-fourth on June 13, 2026.

6. Represents an exercise price of $5.650 Canadian dollars, converted to U.S. dollars at the daily average exchange rate of $1.00 to CAD$1.366 reported by the Bank of Canada on April 20, 2026.

7. On September 24, 2025, the reporting person was granted 320,000 stock options of the Company pursuant to the Company's Long Term Incentive Plan. The stock options vested and became exercisable one-fourth on March 24, 2026, and will vest and become exercisable one-fourth on September 24, 2026, one-fourth on March 24, 2027 and one-fourth on September 24, 2027.

8. On October 8, 2025, the reporting person was granted 482,589 restricted stock units. The restricted stock units vest one-third on October 8, 2026, one-third on October 8, 2027 and one-third on October 8, 2028.

9. Each restricted stock unit represents the contingent right to receive one common share of enCore Energy Corp.

10. On May 26, 2021, Tintina Holdings, Ltd., a communications and community engagement consultant owned by the reporting person's spouse ("Tintina Holdings"), was granted 66,667 stock options of the Company pursuant to the Company's Stock Option Plan. The stock options are fully vested and became exercisable in four equal installments beginning on May 26, 2021. During the year ended December 31, 2023, these options were assumed by 5 Spot Corporation, a communications and community engagement consultant owned by the reporting person's spouse ("5 Spot Corp.") in connection with the assignment of a consulting contract from Tintina Holdings to 5 Spot Corp.

11. Represents an exercise price of $4.320 Canadian dollars, converted to U.S. dollars at the daily average exchange rate of $1.00 to CAD$1.366 reported by the Bank of Canada on April 20, 2026.

12. These stock options are held by 5 Spot Corp., an entity owned by the reporting person's spouse. The reporting person disclaims beneficial ownership of such stock options except to the extent of his pecuniary interest therein.

13. On May 17, 2023, Tintina Holdings was granted 50,000 stock options of the Company pursuant to the Company's Stock Option Plan. The stock options vested and became exercisable one-fourth on November 17, 2023, one-fourth on May 17, 2024, one-fourth on November 17, 2024 and one-fourth on May 17, 2025. During the year ended December 31, 2023, these options were assumed by 5 Spot Corp. in connection with the assignment of a consulting contract from Tintina Holdings to 5 Spot Corp.

14. Represents an exercise price of $2.790 Canadian dollars, converted to U.S. dollars at the daily average exchange rate of $1.00 to CAD$1.366 reported by the Bank of Canada on April 20, 2026.

15. On June 13, 2024, 5 Spot Corp. was granted 100,000 stock options of the Company pursuant to the Company's Stock Option Plan. The stock options vested and became exercisable one-fourth on December 13, 2024, one-fourth on June 13, 2025 and one-fourth on December 13, 2025, and will vest and become exercisable one-fourth on June 13, 2026.

16. Represents an exercise price of $5.650 Canadian dollars, converted to U.S. dollars at the daily average exchange rate of $1.00 to CAD$1.366 reported by the Bank of Canada on April 20, 2026.

17. On October 8, 2025, the reporting person was indirectly granted 30,000 stock options. The stock options vested and became exercisable one-fourth April 8, 2026, and will vest and become exercisable one-fourth October 8, 2026 and one-half April 8, 2027.

18. On October 8, 2025, the reporting person was indirectly granted 102,500 restricted stock units. The restricted stock units vest one-third on October 8, 2026, one-third on October 8, 2027 and one-third on October 8, 2028.

Remarks:

Exhibit List: Exhibit 24 - Power of Attorney

	/s/ Robert W. Hudson Jr as attorney-in-fact for William M. Sheriff	04/22/2026
	** 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)

SEC Form 3 filed by new insider Sheriff William M