DIFABIO ANDREA

PrivateCIK: 1692506
Location

WALTHAM, MA

DIFABIO ANDREA (Chief Legal Officer) sold 15.5% of their position (1.34K shares) of XENON PHARMACEUTICALS INC. on the open market

Open‑market sale worth $74.1K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderDIFABIO ANDREACIK 1692506
Officer· Chief Legal Officer
Since Mar 2026
-1.34K
Net shares
Net seller
$74.1K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
3.75K acquired · 5.09K disposed
Non-Derivative Transactions2

Common Shares

Direct
M · Option Exercise

Shares

+3.75K

Price / share

Trade value

% of position

76.6%
3/12/2026
4.89K8.64K

Common Shares

Direct
S · Sale

Shares

1.34K

Price / share

$55.23

Trade value

$74.11K

% of position

15.5%
3/13/2026
8.64K7.30K
Total

Net shares

+2.41K

Net value

-$74.11K

Derivative Transactions1

Restricted Share Units

Direct
M · Option Exercise
Converts to

Common Shares

3.75K shares

Shares

3.75K

Strike price

Held after

11.25K

Exercisable

3/12/2026
DIFABIO ANDREA — Insider Transaction (Form 4) Filed Mar 13, 2026 | Finecho