MORTIMER IAN (PRESIDENT & CFO) sold 63.7% of their position (55K shares) of XENON PHARMACEUTICALS INC. on the open market

Open‑market sale worth $2.21M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 4 sales

MORTIMER IAN

Filed: 1/27/2025ACC: 0000950170-25-009388

InsiderMORTIMER IANCIK 1619961

→

IssuerXENON PHARMACEUTICALS INC.CIK 1582313

Officer· PRESIDENT & CFO

Since Sep 2019

-55K

Net shares

Net seller

$2.21M

Total sold

Open market trades

0B · 4S

Total transactions

55K acquired · 110K disposed

Non-Derivative Transactions8

Common Shares

Direct

M · Option Exercise

+16.22K

Price / share

$17.76

Trade value

$288.01K

% of position

51.8%

1/23/2025

31.30K→47.52K

Common Shares

Direct

S · Sale

−16.22K

Price / share

$40.08

Trade value

$649.98K

% of position

34.1%

1/23/2025

47.52K→31.30K

Common Shares

Direct

M · Option Exercise

+22.47K

Price / share

$17.76

Trade value

$399.03K

% of position

71.8%

1/24/2025

31.30K→53.77K

Common Shares

Direct

S · Sale

−22.47K

Price / share

$40.20

Trade value

$903.21K

% of position

41.8%

1/24/2025

53.77K→31.30K

Common Shares

Direct

M · Option Exercise

+15.17K

Price / share

$17.76

Trade value

$269.35K

% of position

48.5%

1/27/2025

31.30K→46.47K

Common Shares

Direct

S · Sale

−15.17K

Price / share

$40.46

Trade value

$613.62K

% of position

32.6%

1/27/2025

46.47K→31.30K

Common Shares

Direct

M · Option Exercise

+1.15K

Price / share

$17.76

Trade value

$20.41K

% of position

3.7%

1/27/2025

31.30K→32.45K

Common Shares

Direct

S · Sale

−1.15K

Price / share

$41.07

Trade value

$47.19K

% of position

3.5%

1/27/2025

32.45K→31.30K

Total

Net shares

+0.00

Net value

-$1.24M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Shares Direct	1/23/2025	M · Option Exercise	+16.22K	$17.76	$288.01K	51.8%	31.30K	47.52K
Common Shares Direct	1/23/2025	S · Sale	−16.22K	$40.08	$649.98K	34.1%	47.52K	31.30K
Common Shares Direct	1/24/2025	M · Option Exercise	+22.47K	$17.76	$399.03K	71.8%	31.30K	53.77K
Common Shares Direct	1/24/2025	S · Sale	−22.47K	$40.20	$903.21K	41.8%	53.77K	31.30K
Common Shares Direct	1/27/2025	M · Option Exercise	+15.17K	$17.76	$269.35K	48.5%	31.30K	46.47K
Common Shares Direct	1/27/2025	S · Sale	−15.17K	$40.46	$613.62K	32.6%	46.47K	31.30K
Common Shares Direct	1/27/2025	M · Option Exercise	+1.15K	$17.76	$20.41K	3.7%	31.30K	32.45K
Common Shares Direct	1/27/2025	S · Sale	−1.15K	$41.07	$47.19K	3.5%	32.45K	31.30K
Total			+0.00		-$1.24M

Derivative Transactions3

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Shares

16.22K shares

−16.22K

Strike price

17.76

Held after

38.78K

Exercisable

—

1/23/2025

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Shares

22.47K shares

−22.47K

Strike price

17.76

Held after

16.32K

Exercisable

—

1/24/2025

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Shares

16.32K shares

−16.32K

Strike price

17.76

Held after

0.00

Exercisable

—

1/27/2025

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (Right to Buy) Direct	Common Shares16.22K shares	1/23/2025	M · Option Exercise	−16.22K	17.76	—	38.78K
Stock Option (Right to Buy) Direct	Common Shares22.47K shares	1/24/2025	M · Option Exercise	−22.47K	17.76	—	16.32K
Stock Option (Right to Buy) Direct	Common Shares16.32K shares	1/27/2025	M · Option Exercise	−16.32K	17.76	—	0.00

Non-Derivative Holdings (Post-Transaction)1

Common Shares

Indirect

Shares owned14.30K

Total

14.30K indirect14.30K

Security Title	Shares Owned	Ownership Type
Common Shares	14.30K	Indirect
Total	14.30K	14.30K indirect

Derivative Holdings (Post-Transaction)0

No derivative holdings reported