Insider Ledger

XENE insider buying and SEC filings, explained

Xenon Pharmaceuticals Inc. · CIK 1582313

Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov

Insider activity in the last 12 months

Bought
$1.7M
Insiders who bought
2
Sold (not marked 10b5-1)
$641K
Planned sales (10b5-1)
$21.3M

Insider purchases and sales, last 12 months

TradedTypeWhat was filedSource
Sep 30, 2026Purchase (code P)Thomas Patrick Kelly (CFO) bought 15,000 shares at $37.32 ($560K), reported as a purchase (code P). New position of 15,000 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Oct 1, 2026, 9:20 AM ET
Sep 30, 2026Purchase (code P)Ian Mortimer (CEO and Director) bought 30,000 shares at $37.38 ($1.1M), reported as a purchase (code P). Holdings up 151% to 49,923 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Oct 1, 2026, 9:19 AM ET
Aug 28, 2026Planned (10b5-1)Christopher John Kenney (Chief Medical Officer) sold 7,068 shares at about $60.25 ($426K), marked as a 10b5-1 plan trade. Holdings down 100% to 2 shares.SEC filing
Filed Aug 31, 2026
Aug 11, 2026SaleSteven Gannon (Director) sold 10,000 shares at about $64.06 ($641K). Holdings down 84% to 1,870 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Aug 13, 2026
Jun 5, 2026Planned (10b5-1)Gary Patou (Director) sold 1,322 shares at $53.14 ($70K), marked as a 10b5-1 plan trade. Holdings down 5% to 24,896 shares.SEC filing
Filed Jun 8, 2026
Jun 5, 2026Planned (10b5-1)Gillian Cannon (Director) sold 1,190 shares at $53.14 ($63K), marked as a 10b5-1 plan trade. Holdings down 45% to 1,455 shares.SEC filing
Filed Jun 8, 2026
Mar 13, 2026Planned (10b5-1)Christopher John Kenney (Chief Medical Officer) sold 1,410 shares at $55.23 ($78K), marked as a 10b5-1 plan trade. Holdings down 17% to 7,069 shares.SEC filing
Filed Mar 13, 2026
Mar 13, 2026Planned (10b5-1)Andrea DiFabio (Chief Legal Officer) sold 1,342 shares at $55.23 ($74K), marked as a 10b5-1 plan trade. Holdings down 16% to 7,301 shares.SEC filing
Filed Mar 13, 2026
Mar 13, 2026Planned (10b5-1)Ian Mortimer (CEO and Director) sold 7,308 shares at $55.23 ($404K), marked as a 10b5-1 plan trade. Holdings down 27% to 19,923 shares.SEC filing
Filed Mar 13, 2026
Mar 10, 2026Planned (10b5-1)Christopher John Kenney (Chief Medical Officer) sold 2,771 shares at $60.11 ($167K), marked as a 10b5-1 plan trade. Holdings down 37% to 4,729 shares.SEC filing
Filed Mar 11, 2026
Mar 10, 2026Planned (10b5-1)Andrea DiFabio (Chief Legal Officer) sold 2,607 shares at $60.11 ($157K), marked as a 10b5-1 plan trade. Holdings down 35% to 4,893 shares.SEC filing
Filed Mar 11, 2026
Mar 9–10, 2026Planned (10b5-1)Ian Mortimer (CEO and Director) sold 281,269 shares between Mar 9 and Mar 10 at about $60.32 ($17.0M), marked as a 10b5-1 plan trade. Holdings down 95% to 14,731 shares.SEC filing
Filed Mar 11, 2026
Jan 2, 2026Planned (10b5-1)Ian Mortimer (CEO and Director) sold 40,000 shares at about $44.43 ($1.8M), marked as a 10b5-1 plan trade. Holdings down 87% to 6,000 shares.SEC filing
Filed Jan 2, 2026
Dec 5–8, 2025Planned (10b5-1)Ian Mortimer (CEO and Director) sold 25,205 shares between Dec 5, 2025 and Dec 8, 2025 at about $45.33 ($1.1M), marked as a 10b5-1 plan trade. Holdings down 81% to 6,000 shares.SEC filing
Filed Dec 9, 2025
Nov 28, 2025Planned (10b5-1)Ian Mortimer (CEO and Director) sold 97 shares at $45.01 ($4K), marked as a 10b5-1 plan trade. Holdings down <1% to 31,205 shares.SEC filing
Filed Dec 3, 2025

21 routine transactions (such as grants, option exercises or tax withholding) are not listed.

Cluster buys

2 insiders bought in 30 days

$1.7M in purchases since Sep 30, 2026 · Purchases traded Sep 30, 2026 to Sep 30, 2026 · Closed

InsiderValueTradedSource
Ian Mortimer (CEO)$1.1MSep 30, 2026SEC filing
Thomas Patrick Kelly (CFO)$560KSep 30, 2026SEC filing

Red flags

No red flags in the last 12 months.

Key events

No key events in the last 12 months.

8-K filings, last 12 months

No 8-K filings in the last 12 months.

Red flags are objective triggers only: the item or form filed, never an opinion.

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