Insider sale and restricted shares reported in Form 144

Company Form 144 discloses insider transactions in common stock.

Rhea-AI Filing Summary

Company Form 144 discloses insider transactions in common stock. The filing lists a restricted stock vesting of 14,870 shares on 03/04/2026 attributed to the issuer as compensation and reports two sales by Bassil I. Dahiyat: 114,377 shares on 12/19/2025 for $1,796,942.73 and 6,758 shares on 03/03/2026 for $80,387.09.

FAQ

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

What transactions does the XNCR Form 144 disclose?

It reports a restricted stock vesting and two insider sales. The filing shows 14,870 shares vested as compensation on 03/04/2026, and sales of 114,377 shares on 12/19/2025 and 6,758 shares on 03/03/2026.

Who sold shares according to the XNCR filing?

Bassil I. Dahiyat is the reported seller. The filing lists Dahiyat at an address in Pasadena, CA, with recorded sales of 114,377 shares and 6,758 shares on the dates in the filing.

What proceeds are reported from the insider sales in the filing?

Proceeds of the two reported sales are listed. The 12/19/2025 sale shows $1,796,942.73, and the 03/03/2026 sale shows $80,387.09 as the aggregate amounts.

Does the Form 144 show any shares issued to an account or broker?

Yes — Fidelity Brokerage Services LLC is listed. The filing references Fidelity Brokerage Services LLC with an address and shows securities information tied to a NASDAQ listing and the vesting event dated 03/04/2026.

What was the nature of the 14,870-share entry in the filing?

It is recorded as a restricted stock vesting event. The entry labels 14,870 shares as vested on 03/04/2026 and classifies the reason as compensation originating from the issuer.

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

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Accepted by SEC EDGAR 03/05/2026 - 04:26 PM Learn about SEC filing dates

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	0001591312
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	Dahiyat Bassil I
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
Relationship to Issuer	Director

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	14870	167220.59	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			14870	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
Bassil I. Dahiyat 465 North Halstead Street Suite 200 Pasadena CA 91107	Common	12/19/2025	114377	1796942.73
Bassil I. Dahiyat 465 North Halstead Street Suite 200 Pasadena CA 91107	Common	03/03/2026	6758	80387.09

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/ Adam Gehring, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Bassil I. Dahiyat
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)