William M. Sheriff

CIK: 0001229379

Transaction Breakdown

Open Market Buys (P)18 (47.4%)

High conviction signal

Open Market Sales (S)11 (28.9%)

Position reduction

Option Exercises (M)2 (5.3%)

Derivative conversions

Awards (A)6 (15.8%)

Compensation grants

Other (G, F, J, C, D, …)1 (2.6%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

enCore Energy Corp.

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (38 total)

EU
enCore Energy Corp.
Oct 8, 2026
Exercise(M)
Direct
160.9K shares-
EU
enCore Energy Corp.
Oct 8, 2026
Exercise(M)
Indirect
33.8K shares-
EU
enCore Energy Corp.
Oct 8, 2026
Tax Payment(F)
Direct
39.2K shares at avg. $1.01$40K
EU
enCore Energy Corp.
Sep 18, 2026
Purchase(P)
Indirect
25K shares at avg. $0.81$20K
EU
enCore Energy Corp.
Sep 18, 2026
Purchase(P)
Direct
100K shares at avg. $0.81$81K
EU
enCore Energy Corp.
Sep 15, 2026
Purchase(P)
Direct
50K shares at avg. $0.89$45K
EU
enCore Energy Corp.
Sep 14, 2026
Purchase(P)
Indirect
25K shares at avg. $0.87$22K
EU
enCore Energy Corp.
Sep 14, 2026
Purchase(P)
Direct
100K shares at avg. $0.84$84K
EU
enCore Energy Corp.
Aug 17, 2026
Award(A)
Stock Option (Right to Buy)
Direct
101.4K shares-
EU
enCore Energy Corp.
Aug 17, 2026
Award(A)
Restricted Stock Unit
Direct
101.4K shares-
EU
enCore Energy Corp.
May 19, 2026
Purchase(P)
Direct
25K shares at avg. $1.39$35K
EU
enCore Energy Corp.
May 18, 2026
Purchase(P)
Indirect
25K shares at avg. $1.47$37K
EU
enCore Energy Corp.
May 18, 2026
Purchase(P)
Direct
50K shares at avg. $1.49$75K
EU
enCore Energy Corp.
Feb 9, 2026
Sale(S)
Direct
12K shares at avg. $2.80$34K
EU
enCore Energy Corp.
Feb 6, 2026
Sale(S)
Direct
12K shares at avg. $2.72$33K
EU
enCore Energy Corp.
Jan 7, 2026
Sale(S)
Indirect
10K shares at avg. $2.81$28K
EU
enCore Energy Corp.
Jan 2, 2026
Sale(S)
Indirect
2.2K shares at avg. $2.67$6K
EU
enCore Energy Corp.
Jan 2, 2026
Sale(S)
Direct
24K shares at avg. $2.72$65K
EU
enCore Energy Corp.
Jan 2, 2026
Sale(S)
Indirect
16.3K shares at avg. $2.68$44K
EU
enCore Energy Corp.
Dec 30, 2025
Sale(S)
Indirect
16.5K shares at avg. $2.42$40K
EU
enCore Energy Corp.
Dec 16, 2025
Sale(S)
Direct
24K shares at avg. $2.37$57K
EU
enCore Energy Corp.
Nov 26, 2025
Sale(S)
Direct
24K shares at avg. $2.65$64K
EU
enCore Energy Corp.
Oct 8, 2025
Award(A)
Stock Option (Right to Buy)
Indirect
30K shares-
EU
enCore Energy Corp.
Oct 8, 2025
Award(A)
Restricted Stock Unit
Direct
482.6K shares-
EU
enCore Energy Corp.
Oct 8, 2025
Award(A)
Restricted Stock Unit
Indirect
102.5K shares-

		Type	Shares	Price		Ownership
Oct 8, 2026	EU enCore Energy Corp.	Exercise(M)	160,862	-	$0	Direct
Oct 8, 2026	EU enCore Energy Corp.	Exercise(M)	33,825	-	$0	Indirect
Oct 8, 2026	EU enCore Energy Corp.	Tax Payment(F)	39,171	$1.01	$39,563	Direct
Sep 18, 2026	EU enCore Energy Corp.	Purchase(P)	25,000	$0.81	$20,250	Indirect
Sep 18, 2026	EU enCore Energy Corp.	Purchase(P)	100,000	$0.81	$81,000	Direct
Sep 15, 2026	EU enCore Energy Corp.	Purchase(P)	50,000	$0.89	$44,500	Direct
Sep 14, 2026	EU enCore Energy Corp.	Purchase(P)	25,000	$0.87	$21,750	Indirect
Sep 14, 2026	EU enCore Energy Corp.	Purchase(P)	100,000	$0.84	$84,000	Direct
Aug 17, 2026	EU enCore Energy Corp.	Award(A) Stock Option (Right to Buy)	101,351	-	-	Direct
Aug 17, 2026	EU enCore Energy Corp.	Award(A) Restricted Stock Unit	101,351	-	-	Direct
May 19, 2026	EU enCore Energy Corp.	Purchase(P)	25,000	$1.39	$34,750	Direct
May 18, 2026	EU enCore Energy Corp.	Purchase(P)	25,000	$1.47	$36,750	Indirect
May 18, 2026	EU enCore Energy Corp.	Purchase(P)	50,000	$1.49	$74,500	Direct
Feb 9, 2026	EU enCore Energy Corp.	Sale(S)	12,000	$2.80	$33,600	Direct
Feb 6, 2026	EU enCore Energy Corp.	Sale(S)	12,000	$2.72	$32,640	Direct
Jan 7, 2026	EU enCore Energy Corp.	Sale(S)	10,000	$2.81	$28,100	Indirect
Jan 2, 2026	EU enCore Energy Corp.	Sale(S)	2,200	$2.67	$5,874	Indirect
Jan 2, 2026	EU enCore Energy Corp.	Sale(S)	24,000	$2.72	$65,280	Direct
Jan 2, 2026	EU enCore Energy Corp.	Sale(S)	16,300	$2.68	$43,684	Indirect
Dec 30, 2025	EU enCore Energy Corp.	Sale(S)	16,500	$2.42	$39,930	Indirect
Dec 16, 2025	EU enCore Energy Corp.	Sale(S)	24,000	$2.37	$56,880	Direct
Nov 26, 2025	EU enCore Energy Corp.	Sale(S)	24,000	$2.65	$63,600	Direct
Oct 8, 2025	EU enCore Energy Corp.	Award(A) Stock Option (Right to Buy)	30,000	-	-	Indirect
Oct 8, 2025	EU enCore Energy Corp.	Award(A) Restricted Stock Unit	482,589	-	-	Direct
Oct 8, 2025	EU enCore Energy Corp.	Award(A) Restricted Stock Unit	102,500	-	-	Indirect

1-25 of 38 transactions

About SHERIFF WILLIAM M

SHERIFF WILLIAM M (SEC CIK 0001229379) files insider reports with the SEC as Executive Chairman of enCore Energy Corp. (EU).

Signal8 holds 22 ownership filings by SHERIFF WILLIAM M (3 Form 3, 19 Form 4), filed between Jan 10, 2025 and Oct 13, 2026. Those filings report 38 transactions, from Jan 2, 2025 to Oct 8, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on SHERIFF WILLIAM M's filings is in DALLAS, TX.

Recent filings by SHERIFF WILLIAM M

Oct 8, 2026: Option exercises of EU shares (2 lines, Form 4, code M).
Oct 8, 2026: Tax withholding of EU shares (Form 4, code F).
Sep 18, 2026: Open-market purchases of EU shares (2 lines, Form 4, code P).
Sep 15, 2026: Open-market purchase of EU shares (Form 4, code P).
Sep 14, 2026: Open-market purchases of EU shares (2 lines, Form 4, code P).

Other insiders filing for enCore Energy Corp. (EU)

Harris William B., Director
Hoxie-Key Susan, Director
Tewalt Nathan, Director
PELIZZA MARK S, Director
McCoig Dain A, Chief Operating Officer
Hudson Robert W., General Counsel and Secretary

How to read Form 4 transaction codes