PIMSTONE SIMON N. (CEO) sold 95.6% of their position (131.25K shares) of XENON PHARMACEUTICALS INC. on the open market

Open‑market sale worth $5.10M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 7 sales

PIMSTONE SIMON N.

Filed: 6/1/2023ACC: 0000950170-23-025802

InsiderPIMSTONE SIMON N.CIK 1620084

→

IssuerXENON PHARMACEUTICALS INC.CIK 1582313

DirectorOfficer· CEO

Since Sep 2019

-183.16K

Net shares

Net seller

$7.10M

Total sold

Open market trades

0B · 7S

Total transactions

134.15K acquired · 317.31K disposed

Non-Derivative Transactions15

Common Shares

Direct

S · Sale

−18.01K

Price / share

$38.63

Trade value

$695.57K

% of position

32.7%

5/30/2023

55.01K→37K

Common Shares

Direct

S · Sale

−19K

Price / share

$39.90

Trade value

$758.10K

% of position

51.4%

5/30/2023

37K→18K

Common Shares

Direct

S · Sale

−12K

Price / share

$38.53

Trade value

$462.36K

% of position

66.7%

5/31/2023

18K→6K

Common Shares

Direct

M · Option Exercise

+29.84K

Price / share

$9.85

Trade value

$293.87K

% of position

497.3%

5/31/2023

6K→35.84K

Common Shares

Direct

F · Tax Withholding

−6.17K

Price / share

$38.37

Trade value

$236.55K

% of position

17.2%

5/31/2023

35.84K→29.67K

Common Shares

Direct

S · Sale

−23.67K

Price / share

$38.81

Trade value

$918.63K

% of position

79.8%

5/31/2023

29.67K→6K

Common Shares

Direct

M · Option Exercise

+50K

Price / share

$17.76

Trade value

$888K

% of position

833.3%

5/31/2023

6K→56K

Common Shares

Direct

F · Tax Withholding

−23.14K

Price / share

$38.37

Trade value

$888.04K

% of position

41.3%

5/31/2023

56K→32.86K

Common Shares

Direct

S · Sale

−26.86K

Price / share

$38.69

Trade value

$1.04M

% of position

81.7%

5/31/2023

32.86K→6K

Common Shares

Direct

M · Option Exercise

+9.32K

Price / share

$7.69

Trade value

$71.66K

% of position

155.3%

6/1/2023

6K→15.32K

Common Shares

Direct

F · Tax Withholding

−1.86K

Price / share

$38.53

Trade value

$71.67K

% of position

12.1%

6/1/2023

15.32K→13.46K

Common Shares

Direct

S · Sale

−7.46K

Price / share

$38.97

Trade value

$290.64K

% of position

55.4%

6/1/2023

13.46K→6K

Common Shares

Direct

M · Option Exercise

+45K

Price / share

$17.76

Trade value

$799.20K

% of position

750.0%

6/1/2023

6K→51K

Common Shares

Direct

F · Tax Withholding

−20.75K

Price / share

$38.53

Trade value

$799.30K

% of position

40.7%

6/1/2023

51K→30.25K

Common Shares

Direct

S · Sale

−24.25K

Price / share

$38.78

Trade value

$940.61K

% of position

80.2%

6/1/2023

30.25K→6K

Total

Net shares

−49.01K

Net value

-$5.05M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Shares Direct	5/30/2023	S · Sale	−18.01K	$38.63	$695.57K	32.7%	55.01K	37K
Common Shares Direct	5/30/2023	S · Sale	−19K	$39.90	$758.10K	51.4%	37K	18K
Common Shares Direct	5/31/2023	S · Sale	−12K	$38.53	$462.36K	66.7%	18K	6K
Common Shares Direct	5/31/2023	M · Option Exercise	+29.84K	$9.85	$293.87K	497.3%	6K	35.84K
Common Shares Direct	5/31/2023	F · Tax Withholding	−6.17K	$38.37	$236.55K	17.2%	35.84K	29.67K
Common Shares Direct	5/31/2023	S · Sale	−23.67K	$38.81	$918.63K	79.8%	29.67K	6K
Common Shares Direct	5/31/2023	M · Option Exercise	+50K	$17.76	$888K	833.3%	6K	56K
Common Shares Direct	5/31/2023	F · Tax Withholding	−23.14K	$38.37	$888.04K	41.3%	56K	32.86K
Common Shares Direct	5/31/2023	S · Sale	−26.86K	$38.69	$1.04M	81.7%	32.86K	6K
Common Shares Direct	6/1/2023	M · Option Exercise	+9.32K	$7.69	$71.66K	155.3%	6K	15.32K
Common Shares Direct	6/1/2023	F · Tax Withholding	−1.86K	$38.53	$71.67K	12.1%	15.32K	13.46K
Common Shares Direct	6/1/2023	S · Sale	−7.46K	$38.97	$290.64K	55.4%	13.46K	6K
Common Shares Direct	6/1/2023	M · Option Exercise	+45K	$17.76	$799.20K	750.0%	6K	51K
Common Shares Direct	6/1/2023	F · Tax Withholding	−20.75K	$38.53	$799.30K	40.7%	51K	30.25K
Common Shares Direct	6/1/2023	S · Sale	−24.25K	$38.78	$940.61K	80.2%	30.25K	6K
Total			−49.01K		-$5.05M

Derivative Transactions4

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Shares

29.84K shares

−29.84K

Strike price

9.85

Held after

0.00

Exercisable

—

5/31/2023

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Shares

50K shares

−50K

Strike price

17.76

Held after

45K

Exercisable

—

5/31/2023

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Shares

9.32K shares

−9.32K

Strike price

7.69

Held after

30.68K

Exercisable

—

6/1/2023

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Shares

45K shares

−45K

Strike price

17.76

Held after

0.00

Exercisable

—

6/1/2023

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (Right to Buy) Direct	Common Shares29.84K shares	5/31/2023	M · Option Exercise	−29.84K	9.85	—	0.00
Stock Option (Right to Buy) Direct	Common Shares50K shares	5/31/2023	M · Option Exercise	−50K	17.76	—	45K
Stock Option (Right to Buy) Direct	Common Shares9.32K shares	6/1/2023	M · Option Exercise	−9.32K	7.69	—	30.68K
Stock Option (Right to Buy) Direct	Common Shares45K shares	6/1/2023	M · Option Exercise	−45K	17.76	—	0.00