MORTIMER IAN

PrivateCIK: 1619961

Senior insider sale

PRESIDENT & CFO at XENON PHARMACEUTICALS INC. — senior position signals high conviction

$18.74M

321.27K shares

What this filing means

MORTIMER IAN plans to sell 321.27K shares of XENON PHARMACEUTICALS INC. valued at approximately $18.74M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderMORTIMER IANCIK 1619961
Officer· PRESIDENT & CFO
Since Sep 2019
321.27K
Shares to sell
$18.74M
Approx. market value
20K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Sort

Performance share unit award vesting

N/A

3/9/2026
20K
Total acquired20K
Planned & Completed Dispositions3
Sort

Completed

Completed

Units to sell

270K

Market value

$16.29M

3/9/2026
Completed

Units to sell

40K

Market value

$1.78M

1/2/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

11.27K

Market value

$677.4K

3/10/2026
Total

Units

321.27K

Value

$18.74M

MORTIMER IAN — Planned Insider Sale (Form 144) | Finecho