Xenon Pharmaceuticals Inc. (XENE) has 20 known insider and institutional holders on record. The largest holder is Von Seggern Christopher with 100,000 shares. Other notable holders include AULIN SHERRY and ROBIN SHERRINGTON.
Over the last 12 months, insiders have made 33 transactions in XENE stock — 16 buys (valued at $5.85M) and 9 sells (valued at $2.3M). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
XENE Insider Ownership
Top Holder
Von Seggern Christopher
100,000 shares
Buys (12 mo)
16
$5.85M value
Sells (12 mo)
9
$2.3M value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Von Seggern Christopher |
Chief Commercial Officer |
100,000 |
2024-03-12 |
|
| 2 |
Aulin Sherry |
Chief Financial Officer |
100,000 |
2024-03-12 |
|
| 3 |
Robin Sherrington |
EVP, Strategy & Innovation |
65,000 |
2024-03-12 |
|
| 4 |
Aycardi-fonseca Ernesto |
CMO |
65,000 |
2020-03-13 |
|
| 5 |
Empfield James R. |
EVP, Drug Discovery |
65,000 |
2024-03-12 |
|
| 6 |
Bvf Partners L P/il |
10 Percent Owner |
59,464 |
2018-03-29 |
|
| 7 |
Cohen Charles J. |
VP, Biology |
40,000 |
2018-03-13 |
|
| 8 |
Corraini Karen G. |
Gen. Counsel & Corp. Secretary |
35,000 |
2015-03-19 |
|
| 9 |
Kelly Thomas Patrick |
Chief Financial Officer |
30,000 |
2025-10-17 |
|
| 10 |
Mortimer Ian |
President & CEO |
27,231 |
2026-03-13 |
|
| 11 |
Cline Darren S |
Chief Commercial Officer |
20,000 |
2026-01-09 |
|
| 12 |
Pimstone Simon N. |
Director |
18,475 |
2023-06-02 |
|
| 13 |
Azab Mohammad |
Director |
18,475 |
2023-06-02 |
|
| 14 |
Scheller Richard H |
Director |
15,000 |
2019-09-18 |
|
| 15 |
Goldberg Y. Paul |
SVP, Clinical Development |
11,000 |
2017-10-24 |
|
| 16 |
Desjardins Clarissa |
Director |
10,000 |
2020-06-02 |
|
| 17 |
Hayden Michael R |
Director |
10,000 |
2021-06-03 |
|
| 18 |
Tarnow Michael M |
Director |
10,000 |
2020-06-02 |
|
| 19 |
Holler Frank A |
Director |
10,000 |
2020-06-02 |
|
| 20 |
Difabio Andrea |
Chief Legal Officer |
8,643 |
2026-03-13 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-03-13 |
Kenney Christopher John |
Chief Medical Officer |
Informative Sell |
1,410 |
$55.23 |
$77.87K |
| 2026-03-12 |
Kenney Christopher John |
Chief Medical Officer |
Option Exercise |
3,750 |
- |
- |
| 2026-03-13 |
Difabio Andrea |
Chief Legal Officer |
Informative Sell |
1,342 |
$55.23 |
$74.11K |
| 2026-03-12 |
Difabio Andrea |
Chief Legal Officer |
Option Exercise |
3,750 |
- |
- |
| 2026-03-13 |
Mortimer Ian |
President & CEO |
Informative Sell |
7,308 |
$55.23 |
$403.58K |
| 2026-03-12 |
Mortimer Ian |
President & CEO |
Option Exercise |
12,500 |
- |
- |
| 2026-03-10 |
Kenney Christopher John |
Chief Medical Officer |
Informative Sell |
2,771 |
$60.11 |
$166.56K |
| 2026-03-09 |
Kenney Christopher John |
Chief Medical Officer |
Option Exercise (Sell) |
7,500 |
- |
- |
| 2026-03-10 |
Difabio Andrea |
Chief Legal Officer |
Informative Sell |
2,607 |
$60.11 |
$156.7K |
| 2026-03-09 |
Difabio Andrea |
Chief Legal Officer |
Option Exercise (Sell) |
7,500 |
- |
- |
| 2026-03-10 |
Mortimer Ian |
President & CEO |
Informative Sell |
11,269 |
$60.11 |
$677.36K |
| 2026-03-09 |
Mortimer Ian |
President & CEO |
Option Exercise (Sell) |
20,000 |
- |
- |
| 2026-01-09 |
Kenney Christopher John |
Chief Medical Officer |
RSU Award |
20,000 |
- |
- |
| 2026-01-09 |
Difabio Andrea |
Chief Legal Officer |
RSU Award |
15,000 |
- |
- |
| 2026-01-09 |
Cline Darren S |
Chief Commercial Officer |
RSU Award |
20,000 |
- |
- |
| 2026-01-09 |
Mortimer Ian |
President & CEO |
RSU Award |
65,000 |
- |
- |
| 2026-01-02 |
Mortimer Ian |
President & CEO |
Option Exercise (Sell) |
40,000 |
$7.49 |
$299.6K |
| 2025-12-08 |
Mortimer Ian |
President & CEO |
Informative Sell |
2,010 |
$46.32 |
$93.1K |
| 2025-12-05 |
Mortimer Ian |
President & CEO |
Informative Sell |
14,375 |
$45.03 |
$647.31K |
| 2025-11-28 |
Mortimer Ian |
President & CEO |
Informative Sell |
97 |
$45.01 |
$4.37K |
| 2025-10-15 |
Kelly Thomas Patrick |
Chief Financial Officer |
RSU Award |
30,000 |
- |
- |
| 2025-10-15 |
Kelly Thomas Patrick |
Chief Financial Officer |
Unknown |
- |
- |
- |
| 2025-10-01 |
Mortimer Ian |
President, CEO & Interim CFO |
Option Exercise (Sell) |
25,000 |
$7.69 |
$192.25K |
| 2025-06-23 |
Cline Darren S |
Chief Commercial Officer |
RSU Award |
185,800 |
$31.49 |
$5.85M |
| 2025-06-23 |
Cline Darren S |
Chief Commercial Officer |
Unknown |
- |
- |
- |
