XNCR insider sale notice: 3,244 shares planned

XNCR reports an insider notice to sell 3,244 common shares related to Restricted Stock Vesting scheduled 03/04/2026.

Accepted by SEC EDGAR 03/05/2026 - 04:30 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

XNCR reports an insider notice to sell 3,244 common shares related to Restricted Stock Vesting scheduled 03/04/2026.

The filing also shows a prior sale of 1,492 common shares on 03/03/2026 by Celia E. Eckert, listed in the three‑month sales section.

Insights

Insider Transactions Analyst

Notice filed for a planned post‑vesting sale of 3,244 shares; recent small sale also reported.

The filing lists 3,244 common shares to be sold in connection with Restricted Stock Vesting on 03/04/2026

It also records a prior disposition of 1,492 shares on 03/03/2026 by Celia E. Eckert. Cash‑flow treatment and sale mechanics are not detailed in the excerpt.

FAQ

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

What does XNCR's Form 144 report about the 3,244 shares?

The Form 144 reports 3,244 common shares to be sold tied to Restricted Stock Vesting with a planned date of 03/04/2026. The filing lists the issuer as the source of the vested shares.

Who sold shares in the past three months according to the filing for XNCR?

The filing shows Celia E. Eckert sold 1,492 common shares on 03/03/2026. This sale appears in the "Securities Sold During The Past 3 Months" section of the Form 144 excerpt.

Does the excerpt specify how the 3,244 shares will be sold for XNCR?

The excerpt labels the shares as related to Restricted Stock Vesting and lists the issuer as the source, but it does not specify sale mechanics, pricing, or broker execution details in the provided text.

Is the 3,244-share figure part of ongoing compensation for XNCR executives?

The filing ties the 3,244 shares to Restricted Stock Vesting, indicating they arise from compensation vesting on 03/04/2026. The excerpt does not provide further compensation plan details.

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	0001787397
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	Xencor Inc
SEC File Number	001-36182
Address of Issuer	465 N. HALSTEAD ST. SUITE 200 PASADENA CALIFORNIA 91107
Phone	626-305-5900
Name of Person for Whose Account the Securities are To Be Sold	Eckert Celia
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	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	3244	36480.40	73338642	03/05/2026	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	03/04/2026	Restricted Stock Vesting	Issuer			3244	03/04/2026	Compensation

* 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
Celia E. Eckert 465 North Halstead Street Suite 200 Pasadena CA 91107	Common	03/03/2026	1492	17747.49

144: Remarks and Signature

Remarks	Sale includes an amount necessary to cover a tax obligation resulting from the settlement of a vested equity award distribution.
Date of Notice	03/05/2026
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/ Gerardo Ibarra-Munoz, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Celia E. Eckert
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)