PIMSTONE SIMON N. (CEO) sold 25.9% of their position (19.23K shares) of XENON PHARMACEUTICALS INC. on the open market

Open‑market sale worth $711.2K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales

PIMSTONE SIMON N.

Filed: 3/9/2023ACC: 0001209191-23-017636

InsiderPIMSTONE SIMON N.CIK 1620084

→

IssuerXENON PHARMACEUTICALS INC.CIK 1582313

DirectorOfficer· CEO

Since Sep 2019

-23.01K

Net shares

Net seller

$851.5K

Total sold

Open market trades

0B · 2S

Total transactions

72.02K acquired · 95.03K disposed

Non-Derivative Transactions6

Common Shares

Direct

M · Option Exercise

+41.15K

Price / share

$2.68

Trade value

$110.29K

% of position

685.9%

3/7/2023

6K→47.15K

Common Shares

Direct

F · Tax Withholding

−2.16K

Price / share

$37.13

Trade value

$80.20K

% of position

4.6%

3/7/2023

47.15K→44.99K

Common Shares

Direct

S · Sale

−10.99K

Price / share

$37.01

Trade value

$406.74K

% of position

24.4%

3/7/2023

44.99K→34K

Common Shares

Direct

M · Option Exercise

+30.86K

Price / share

$2.59

Trade value

$79.94K

% of position

90.8%

3/7/2023

34K→64.87K

Common Shares

Direct

F · Tax Withholding

−1.62K

Price / share

$37.13

Trade value

$60.08K

% of position

2.5%

3/7/2023

64.87K→63.25K

Common Shares

Direct

S · Sale

−8.24K

Price / share

$36.94

Trade value

$304.46K

% of position

13.0%

3/7/2023

63.25K→55.01K

Total

Net shares

+49.01K

Net value

-$661.25K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Shares Direct	3/7/2023	M · Option Exercise	+41.15K	$2.68	$110.29K	685.9%	6K	47.15K
Common Shares Direct	3/7/2023	F · Tax Withholding	−2.16K	$37.13	$80.20K	4.6%	47.15K	44.99K
Common Shares Direct	3/7/2023	S · Sale	−10.99K	$37.01	$406.74K	24.4%	44.99K	34K
Common Shares Direct	3/7/2023	M · Option Exercise	+30.86K	$2.59	$79.94K	90.8%	34K	64.87K
Common Shares Direct	3/7/2023	F · Tax Withholding	−1.62K	$37.13	$60.08K	2.5%	64.87K	63.25K
Common Shares Direct	3/7/2023	S · Sale	−8.24K	$36.94	$304.46K	13.0%	63.25K	55.01K
Total			+49.01K		-$661.25K

Derivative Transactions2

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Shares

41.15K shares

−41.15K

Strike price

2.68

Held after

0.00

Exercisable

—

3/7/2023

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Shares

30.86K shares

−30.86K

Strike price

2.59

Held after

0.00

Exercisable

—

3/7/2023

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (Right to Buy) Direct	Common Shares41.15K shares	3/7/2023	M · Option Exercise	−41.15K	2.68	—	0.00
Stock Option (Right to Buy) Direct	Common Shares30.86K shares	3/7/2023	M · Option Exercise	−30.86K	2.59	—	0.00