Rule 144 Notice: 3,750 RSUs Vesting

XENE Rule 144 notice reporting proposed and recent transactions in Common Shares.

Accepted by SEC EDGAR 03/13/2026 - 07:50 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

XENE Rule 144 notice reporting proposed and recent transactions in Common Shares. The filing lists 3,750 Restricted Share Units vesting on 03/12/2026 and shows 2,607 Common Shares sold by Andrea DiFabio on 03/10/2026.

FAQ

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

What does the XENE Form 144 disclose about RSU vesting?

The Form 144 reports a Restricted Share Unit award vesting of 3,750 Common Shares on 03/12/2026. This line item is described as an issuer vesting event; the filing does not state subsequent sale plans for those vested shares.

How many shares did Andrea DiFabio sell according to the XENE filing?

The filing shows Andrea DiFabio sold 2,607 Common Shares on 03/10/2026. The notice lists the sale quantity and date; it does not specify sale price or purchaser details.

Does the Form 144 state whether the company receives proceeds from the sales?

The Form 144 excerpt does not state the recipient of sale proceeds. It lists the securities, vesting date, and a recent sale, but does not specify whether proceeds accrue to the issuer or selling holders.

What exchange is XENE listed on in this filing?

The filing indicates the Common Shares are listed on NASDAQ. The excerpt includes listing venue information but does not provide market prices or trading volumes.

Are there other recent transactions reported in the Form 144 excerpt?

Yes. Besides the 3,750 RSU vesting on 03/12/2026, the excerpt records a sale of 2,607 shares by Andrea DiFabio on 03/10/2026. No additional recent transactions are shown in the provided excerpt.

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

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001692506
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Xenon Pharmaceuticals Inc.
SEC File Number	001-36687
Address of Issuer	3650 Gilmore Way Burnaby BRITISH COLUMBIA, CANADA V5G 4W8
Phone	(604)-484-3300
Name of Person for Whose Account the Securities are To Be Sold	ANDREA DIFABIO
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common Shares	Morgan Stanley Wealth Management Canada Inc. Suite 1500, 600 - 3 Avenue SW Calgary Z4 T2P 0G5	1342	74112	83190316	03/13/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common Shares	03/12/2026	Restricted share unit award vesting	Issuer			3750	03/12/2026	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Andrea DiFabio 3650 Gilmore Way Burnaby A1 V5G 4W8	Common Shares	03/10/2026	2607	156702

144: Remarks and Signature

Remarks	The Common Shares reported on this Form 144 were obtained via the vesting of a restricted share unit award on March 12, 2026, and are being sold pursuant to a Rule 10b5-1 trading arrangement in the form of a durable sell-to-cover instruction.
Date of Notice	03/13/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/03/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Andrea DiFabio
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)