enCore Energy (EU) director William Sheriff sells 24,000 shares under 10b5-1 plan

Rhea-AI Filing Summary

enCore Energy Corp. insider William M. Sheriff, a director and Executive Chairman and Chief Investment Officer, reported two automatic stock sales under a pre‑arranged Rule 10b5‑1 trading plan. On February 6, 2026, he sold 12,000 common shares at $2.72 per share. On February 9, 2026, he sold another 12,000 common shares at $2.80 per share.

After these transactions, Sheriff held 2,214,055 common shares directly and 2,876 common shares indirectly through his spouse. The filing notes that the sales occurred automatically under a Rule 10b5‑1 plan adopted on August 27, 2025, indicating they were pre‑scheduled rather than discretionary trades.

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
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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).

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)
02/06/2026

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	02/06/2026		S		12,000	D	$2.72	2,226,055	D(1)
Common Stock	02/09/2026		S		12,000	D	$2.8	2,214,055	D(1)
Common Stock								2,876	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 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	02/10/2026
	** 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.
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FAQ

What insider transaction did William M. Sheriff report at enCore Energy Corp. (EU)?

William M. Sheriff reported selling enCore Energy Corp. common stock in two transactions under a Rule 10b5-1 plan. He sold 12,000 shares at $2.72 on February 6, 2026 and 12,000 shares at $2.80 on February 9, 2026.

How many enCore Energy (EU) shares does William M. Sheriff own after these trades?

After the reported trades, William M. Sheriff beneficially owned 2,214,055 enCore Energy common shares directly. He also had indirect beneficial ownership of 2,876 additional common shares held by his spouse, according to the Form 4 filing’s ownership table.

Were William M. Sheriff’s enCore Energy (EU) stock sales pre-planned?

Yes. The filing states the common share sales occurred automatically under a Rule 10b5-1 trading plan. This plan was adopted by William M. Sheriff on August 27, 2025, meaning the transactions were pre-scheduled rather than ad hoc market decisions.

What prices did William M. Sheriff receive for enCore Energy (EU) shares sold?

William M. Sheriff sold 12,000 enCore Energy common shares at $2.72 per share on February 6, 2026. He then sold another 12,000 common shares at $2.80 per share on February 9, 2026, as disclosed in the Form 4 filing.

What is William M. Sheriff’s role at enCore Energy Corp. (EU)?

The filing lists William M. Sheriff as both a director and an officer of enCore Energy Corp. His officer titles are Executive Chairman and Chief Investment Officer, as noted in the remarks section accompanying the Form 4 disclosure.

How is indirect ownership reported for William M. Sheriff in enCore Energy (EU)?

In addition to his direct holdings, the Form 4 reports 2,876 enCore Energy common shares as indirectly owned by William M. Sheriff. These indirect shares are held “By Spouse,” reflecting beneficial ownership through his spouse rather than in his own name.