Xenon Pharmaceuticals CEO buys 30,000 shares

No Rule 10b5-1 plan is reported for the purchase, which is recorded as direct ownership.

(Very High)

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Form Type

Rhea-AI Filing Summary

Xenon Pharmaceuticals Inc. (XENE) President & CEO Ian Mortimer purchased 30,000 common shares at $37.38 per share on September 30, 2026. After the purchase, he reported 49,923 common shares held directly. A separate holding entry lists 14,300 common shares held indirectly by his spouse.

Insights

Analyzing...

Insider Trade Summary

Net Buyer: 30,000 shares

Net Buy 2 txns

Insider MORTIMER IAN

Role PRESIDENT & CEO

Bought 30,000 shs ($1.12M)

Type	Security	Shares	Price	Value
Purchase	Common Shares	30,000	$37.38	$1.12M
holding	Common Shares	--	--	--

Holdings After Transaction: Common Shares — 49,923 shares (Direct); Common Shares — 14,300 shares (Indirect, By Spouse)

Key Figures

Common shares purchased: 30,000 shares Price per share: $37.38 per share Direct common shares held: 49,923 shares +1 more

4 metrics

Common shares purchased 30,000 shares Ian Mortimer's direct purchase on September 30, 2026

Price per share $37.38 per share Purchase on September 30, 2026

Direct common shares held 49,923 shares After the purchase on September 30, 2026

Common shares held indirectly 14,300 shares Held by his spouse on September 30, 2026

Key Terms

Common Shares, Direct ownership, Indirect ownership, Rule 10b5-1 plan

4 terms

Common Shares financial

"purchase of 30,000 Common Shares"

Common shares are the basic units of ownership in a company that give holders a claim on profits and a right to vote on key matters, like electing the board. Think of them as membership cards in a club: they let you share in successes and losses, but in a bankruptcy or liquidation they are paid after creditors and preferred shareholders, so their value can swing more and matters for assessing risk and potential return.

Direct ownership financial

"49,923 common shares held directly"

Indirect ownership financial

"14,300 common shares held indirectly by his spouse"

Rule 10b5-1 plan regulatory

"No Rule 10b5-1 plan is reported for the purchase"

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many shares did XENE CEO Ian Mortimer buy, and at what price?

Ian Mortimer, Xenon Pharmaceuticals Inc.'s President & CEO, purchased 30,000 common shares at $37.38 per share on September 30, 2026. His reported direct holdings afterward were 49,923 common shares, and no Rule 10b5-1 plan is reported for the purchase.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 10/01/2026 - 09:19 AM Accepted by SEC EDGAR 10/01/2026 - 09:19 AM

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

MORTIMER IAN

(Last)

(First)

(Middle)

3650 GILMORE WAY

(Street)

BURNABY

V5G 4W8

(City)

(State)

(Zip)

BRITISH COLUMBIA, CANADA

(Country)

2. Issuer Name and Ticker or Trading Symbol
Xenon Pharmaceuticals Inc. [ XENE ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	PRESIDENT & CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/30/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Shares	09/30/2026		P		30,000	A	$37.38	49,923	D
Common Shares								14,300	I	By Spouse

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

	/s/ Nathaniel Adams, Attorney-in-fact	10/01/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR