Senior insider sale
PRESIDENT & CFO at XENON PHARMACEUTICALS INC. — senior position signals high conviction
$2.15M
50.30K shares
What this filing means
MORTIMER IAN plans to sell 50.30K shares of XENON PHARMACEUTICALS INC. valued at approximately $2.15M. 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.
Filed: 12/8/2025ACC: 0001193125-25-311409
Officer· PRESIDENT & CFO
Since Sep 2019
50.30K
Shares to sell
$2.15M
Approx. market value
56.96K
Acquired (3 months)
1
Planned
3 completed
Securities Acquired — Last 3 Months3
Exercise of Options
Net exercise
5/24/2023
35.28KExercise of Options
Net exercise
5/24/2003
16.67KExercise of Options
Net exercise
5/24/2003
5KTotal acquired56.96K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
5/24/2023 | Exercise of Options Net exercise | 35.28K | — |
5/24/2003 | Exercise of Options Net exercise | 16.67K | — |
5/24/2003 | Exercise of Options Net exercise | 5K | — |
| Total | 56.96K | ||
Planned & Completed Dispositions4
Completed
—Completed
Units to sell
14.38K
Market value
$647.4K
12/5/2025
—Completed
Units to sell
97.00
Market value
$4.4K
11/28/2025
—Completed
Units to sell
25K
Market value
$1.00M
10/1/2025
Planned — Approximate Date
NASDAQPlanned
Units to sell
10.83K
Market value
$495.2K
12/8/2025
Total
Units
50.30K
Value
$2.15M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
12/5/2025 | 14.38K | $647.4K | — | Completed |
11/28/2025 | 97.00 | $4.4K | — | Completed |
10/1/2025 | 25K | $1.00M | — | Completed |
| Planned — Approximate Date | ||||
12/8/2025 | 10.83K | $495.2K | NASDAQ | Planned |
| Total | 50.30K | $2.15M | ||