🕵️ Xenon Pharmaceuticals Inc. ($XENE)
SEC insider & ownership activity, last 12 months · CIK 1582313 · every row links its SEC filing
Over the last 12 months insiders sold $23.0M with no open-market buying against it. Ian Mortimer sold $21.3M through a program of 8 sale notices averaging $2.7M (Oct–Mar). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 6 sellers, $23.0M (27 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Ian Mortimer | 0 | – | 18 | $21.3M | Mar 13, 2026 |
| Christopher John Kenney | 0 | – | 4 | $670K | Aug 28, 2026 |
| Gannon Steven | 0 | – | 1 | $641K | Aug 11, 2026 |
| Andrea Difabio | 0 | – | 2 | $231K | Mar 13, 2026 |
| Gary Patou | 0 | – | 1 | $70K | Jun 5, 2026 |
| Gillian Cannon | 0 | – | 1 | $63K | Jun 5, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| FMR LLC | 10.3% | 13G | Aug 7, 2026 | filing ↗ | |
| Abigail P. Johnson | 10.3% | 13G | Aug 7, 2026 | filing ↗ | |
| Avoro Capital Advisors LLC | 6.3% | 13G | May 15, 2026 | filing ↗ | |
| Behzad Aghazadeh | 6.3% | 13G | May 15, 2026 | filing ↗ | |
| BlackRock, Inc. | 6.2% | 13G | Jul 17, 2025 | filing ↗ | |
| Wellington Management Company LLP | 6.0% | 13G | Feb 10, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Christopher Kenney | $438K | Aug 28, 2026 | filing ↗ |
| Steven Gannon | $641K | Aug 11, 2026 | filing ↗ |
| Gillian Cannon | $63K | Jun 5, 2026 | filing ↗ |
| Gary Patou | $70K | Jun 5, 2026 | filing ↗ |
| Christopher John Kenney | $78K | Mar 13, 2026 | filing ↗ |
| Andrea Difabio | $74K | Mar 13, 2026 | filing ↗ |
| Ian Mortimer | $404K | Mar 13, 2026 | filing ↗ |
| Andrea Difabio | $157K | Mar 10, 2026 | filing ↗ |
| Christopher John Kenney | $167K | Mar 10, 2026 | filing ↗ |
| Ian Mortimer | $677K | Mar 10, 2026 | filing ↗ |
| Ian Mortimer | $16.3M | Mar 9, 2026 | filing ↗ |
| Ian Mortimer | $1.8M | Jan 2, 2026 | filing ↗ |
| Ian Mortimer | $495K | Dec 8, 2025 | filing ↗ |
| Ian Mortimer | $647K | Dec 5, 2025 | filing ↗ |
| Ian Mortimer | $4K | Nov 28, 2025 | filing ↗ |
| Ian Mortimer | $1.0M | Oct 1, 2025 | filing ↗ |
| Sherry Aulin | $94K | Sep 19, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Aug 6, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 6, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 2, 2026 | filing ↗ |
| Shareholder vote (5.07) | Jun 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 2, 2026 | filing ↗ |
| Earnings (2.02) | May 7, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | May 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 7, 2026 | filing ↗ |
| Officer/director changes (5.02) | Apr 7, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 7, 2026 | filing ↗ |
| Other events (8.01) | Mar 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 13, 2026 | filing ↗ |
| Material agreement (1.01) | Mar 10, 2026 | filing ↗ |
| Other events (8.01) | Mar 10, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 10, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Mar 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Mar 9, 2026 | filing ↗ |
| Other events (8.01) | Feb 27, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 27, 2026 | filing ↗ |
| Earnings (2.02) | Feb 26, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 26, 2026 | filing ↗ |
| Officer/director changes (5.02) | Nov 24, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 24, 2025 | filing ↗ |
| Earnings (2.02) | Nov 3, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Nov 3, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 3, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 15, 2025 | filing ↗ |
| Other events (8.01) | Oct 15, 2025 | filing ↗ |