enCore Energy (EU) director sale of 24,000 shares under Rule 10b5-1 plan

Rhea-AI Filing Summary

enCore Energy Corp. director and officer William M. Sheriff reported selling 24,000 shares of common stock on 12/16/2025 at $2.37 per share. The filing notes that this sale occurred automatically under a pre-arranged Rule 10b5-1 trading plan adopted on August 27, 2025, which is designed to allow insiders to trade on a scheduled basis.

After this transaction, Sheriff beneficially owns 2,262,055 shares directly and an additional 47,876 shares indirectly through his spouse. He is identified as a Director and as an officer serving as Executive Chairman and Chief Investment Officer, indicating that he remains a significant insider with a large continuing stake in the company.

Insider Trade Summary

Net Seller: 24,000 shares ($56,880)

Net Sell 2 txns

Insider SHERIFF WILLIAM M

Role See Remarks

Sold 24,000 shs ($57K)

Type	Security	Shares	Price	Value
Sale	Common Stock	24,000	$2.37	$57K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 2,262,055 shares (Direct); Common Stock — 47,876 shares (Indirect, By Spouse.)

Footnotes (1)

1. [object Object]

Form 4 Insider Transactions: What Each Field Means →

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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

X

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^*

SHERIFF WILLIAM M

(Last) (First) (Middle)

ONE GALLERIA TOWER,

13355 NOEL RD, SUITE 1700

(Street)

DALLAS TX 75240

(City) (State) (Zip)

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

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

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

3. Date of Earliest Transaction (Month/Day/Year)
12/16/2025

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

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 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	12/16/2025		S		24,000	D	$2.37	2,262,055	D(1)
Common Stock								47,876	I	By Spouse.

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

Explanation of Responses:

1. The reported sale of 24,000 common shares of enCore Energy Corp. occurred automatically pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on August 27, 2025.

Remarks:

Executive Chairman and Chief Investment Officer

	/s/ Robert W. Hudson Jr. as attorney-in-fact for William M. Sheriff	12/18/2025
	** 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.

FAQ

What insider transaction did enCore Energy Corp. (EU) report in this Form 4?

The report shows that William M. Sheriff sold 24,000 shares of enCore Energy Corp. common stock on 12/16/2025 at a price of $2.37 per share.

Who is the insider involved in the enCore Energy Corp. (EU) stock sale?

The insider is William M. Sheriff, who is listed as a Director and an officer of enCore Energy Corp., serving as Executive Chairman and Chief Investment Officer.

Was the enCore Energy (EU) insider sale made under a Rule 10b5-1 plan?

Yes. The filing states that the 24,000-share sale occurred automatically under a Rule 10b5-1 trading plan adopted by William M. Sheriff on August 27, 2025.

How many enCore Energy Corp. (EU) shares does the insider own after the sale?

Following the reported transaction, William M. Sheriff beneficially owns 2,262,055 shares directly and 47,876 shares indirectly through his spouse.

What type of filing is this insider report for enCore Energy (EU)?

This is a Form 4 filed under Section 16(a), which reports changes in the beneficial ownership of enCore Energy Corp. securities by an insider.

What is the reported relationship of the insider to enCore Energy Corp. (EU)?

The insider is reported as a Director and an Officer, with the title given as Executive Chairman and Chief Investment Officer.