SEC Form 4 · Updated Daily

XENE

— XENON PHARMACEUTICALS INC. Ownership

Insider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.

Financials Ownership

Current Reporting Owners

Owner	Role	Shares Owned	As Of	Last Activity
Svoronos Dawn	Director	31,373	2026-09-01	M
PATOU GARY	Director	24,896	2026-06-05	S
MORTIMER IAN	Director · Officer	19,923	2026-03-13	S
DiFabio Andrea	Officer	7,301	2026-03-13	S
Machado Patrick	Director	2,645	2026-06-01	M
Gover Justin D.	Director	2,645	2026-06-01	M
GAROFALO ELIZABETH A.	Director	2,645	2026-06-01	M
GANNON STEVEN	Director	1,870	2026-08-11	S
Cannon Gillian	Director	1,455	2026-06-05	S
KENNEY CHRISTOPHER JOHN	Officer	2	2026-08-28	S

Recent Filings

Date	Owner	Activity	Shares	Price	Owned After
2026-09-01	Svoronos Dawn	Option exercise (derivative)	5,144	$0.00	0
2026-09-01	Svoronos Dawn	Option exercise	5,144	$8.15	31,373
2026-08-28	KENNEY CHRISTOPHER JOHN	Open-market sale	700	$60.98	2
2026-08-28	KENNEY CHRISTOPHER JOHN	Open-market sale	6,368	$60.17	702
2026-08-11	GANNON STEVEN	Open-market sale	10,000	$64.06	1,870
2026-06-05	Cannon Gillian	Open-market sale	1,190	$53.14	1,455
2026-06-05	PATOU GARY	Open-market sale	1,322	$53.14	24,896
2026-06-03	Svoronos Dawn	Grant / award (derivative)	1,593	$0.00	1,593
2026-06-03	Svoronos Dawn	Grant / award (derivative)	10,507	$0.00	10,507
2026-06-03	Cannon Gillian	Grant / award (derivative)	1,593	$0.00	1,593
2026-06-03	Cannon Gillian	Grant / award (derivative)	10,507	$0.00	10,507
2026-06-03	GANNON STEVEN	Grant / award (derivative)	1,593	$0.00	1,593
2026-06-03	GANNON STEVEN	Grant / award (derivative)	10,507	$0.00	10,507
2026-06-03	GAROFALO ELIZABETH A.	Grant / award (derivative)	1,593	$0.00	1,593
2026-06-03	GAROFALO ELIZABETH A.	Grant / award (derivative)	10,507	$0.00	10,507
2026-06-03	Gover Justin D.	Grant / award (derivative)	1,593	$0.00	1,593
2026-06-03	Gover Justin D.	Grant / award (derivative)	10,507	$0.00	10,507
2026-06-03	Machado Patrick	Grant / award (derivative)	1,593	$0.00	1,593
2026-06-03	Machado Patrick	Grant / award (derivative)	10,507	$0.00	10,507
2026-06-03	PATOU GARY	Grant / award (derivative)	1,593	$0.00	1,593
2026-06-03	PATOU GARY	Grant / award (derivative)	10,507	$0.00	10,507
2026-06-01	Svoronos Dawn	Option exercise (derivative)	2,645	$0.00	0
2026-06-01	Svoronos Dawn	Tax withholding	1,416	$53.41	26,229
2026-06-01	Svoronos Dawn	Option exercise	2,645	—	27,645
2026-06-01	Cannon Gillian	Option exercise (derivative)	2,645	$0.00	0
2026-06-01	Cannon Gillian	Option exercise	2,645	—	2,645
2026-06-01	GANNON STEVEN	Option exercise (derivative)	2,645	$0.00	0
2026-06-01	GANNON STEVEN	Tax withholding	1,416	$53.41	11,870
2026-06-01	GANNON STEVEN	Option exercise	2,645	—	13,286
2026-06-01	GAROFALO ELIZABETH A.	Option exercise (derivative)	2,645	$0.00	0
2026-06-01	GAROFALO ELIZABETH A.	Option exercise	2,645	—	2,645
2026-06-01	Gover Justin D.	Option exercise (derivative)	2,645	$0.00	0
2026-06-01	Gover Justin D.	Option exercise	2,645	—	2,645
2026-06-01	Machado Patrick	Option exercise (derivative)	2,645	$0.00	0
2026-06-01	Machado Patrick	Option exercise	2,645	—	2,645
2026-06-01	PATOU GARY	Option exercise (derivative)	2,645	$0.00	0
2026-06-01	PATOU GARY	Option exercise	2,645	—	26,218
2026-05-12	GANNON STEVEN	Option exercise (derivative)	3,500	$0.00	0
2026-05-12	GANNON STEVEN	Option exercise	3,500	$7.38	10,641
2026-03-13	MORTIMER IAN	Open-market sale	7,308	$55.23	19,923

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.