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XNCR · Current Report (Form 8-K) · Filed July 29, 2026

Xencor Inc — Current Report (Form 8-K)

Form
8-K
Filed
July 29, 2026
Period
Jul 29, 2026
Ticker
XNCR
Accession
0001326732-26-000049
Boardroom Alpha · Filing insights

Xencor and Alexion settle U.S. Ultomiris royalties; Xencor to receive $105 million in two payments.

Settlement agreement
About Xencor Inc
Market cap
$2.1B
1Y TSR
+208.6%
3Y TSR
+1.4%
Board grade
B-
Sector
Healthcare
CEO
Bassil I Dahiyat
Last annual meeting: Jun 16, 2026 · View full Xencor Inc profile →
xncr-20260729

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
___________________________________________________
FORM 8-K
___________________________________________________
CURRENT REPORT
Pursuant to Section 13 or 15(d)
of The Securities Exchange Act of 1934
Date of Report (Date of earliest event reported):  July 29, 2026
___________________________________________________
XENCOR, INC.
(Exact name of registrant as specified in its charter)
___________________________________________________
Delaware
001-3618220-1622502
(State or Other Jurisdiction of
Incorporation)
(Commission
File Number)
(IRS Employer
Identification Number)
465 North Halstead Street, Suite 200
Pasadena, California
91107
(Address of Principal Executive Offices)
(Zip Code)
(626) 305-5900
(Registrant’s telephone number, including area code)
(Former name or former address, if changed since last report)
___________________________________________________
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of Each ClassTrading Symbol(s)Name of Each Exchange on Which Registered
Common Stock, par value $0.01 per shareXNCRNasdaq Global Market
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company o
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o



Item 1.01. Entry into a Material Definitive Agreement.

On July 29, 2026, Xencor, Inc. (the “Company”) entered into a settlement agreement and release (the “Settlement Agreement”), with Alexion Pharma International Operations Limited, an Irish limited company (“Alexion”) with respect to a commercial dispute related to U.S. royalties on Ultomiris® (ravulizumab-cwvz).
Pursuant to the Settlement Agreement, the Company will receive an aggregate of $105 million in two equal payments: the first $52.5 million payment is anticipated in August 2026 and the second $52.5 million payment within 14 days following the one-year anniversary of the date of the Settlement Agreement. Alexion will have no further obligation to pay royalties on U.S. sales of Ultomiris. Entry into the Settlement Agreement does not impact receipt of royalties on ex-U.S. sales of Ultomiris under the existing terms of its Option and License Agreement with Alexion, dated January 28, 2013, as amended.

As previously disclosed, in March 2026, Alexion had informed the Company of its position that no additional royalties were owed on U.S. sales of Ultomiris and that it did not intend to make future payments related to U.S. sales. The Settlement Agreement fully resolves this dispute.

The foregoing description of the Settlement Agreement does not purport to be complete and is qualified in its entirety by reference to the full text of the Settlement Agreement, which will be filed either as an exhibit to the Company’s Quarterly Report on Form 10-Q for the quarter ending September 30, 2026 or by amendment to this Current Report on Form 8-K, and which is incorporated by reference.

Item 2.02. Results of Operations and Financial Condition.

Based on current operating plans, the Company expects to have cash to fund research and development programs and operations through 2028.

The information furnished under this Item 2.02 of this Current Report on Form 8-K shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or incorporated by reference in any filing under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 7.01. Regulation FD Disclosure.

On July 29, 2026, the Company issued a press release announcing entry into the Settlement Agreement with Alexion. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and incorporated herein by reference.

The information furnished under this Item 7.01 of this Current Report on Form 8-K shall not be deemed “filed” for purposes of Section 18 of the Exchange Act or incorporated by reference in any filing under the Securities Act or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.
Item 9.01. Financial Statements and Exhibits.
(d)Exhibits.
Exhibit No.Description
99.1
104Cover Page Interactive Data File (embedded within the Inline XBRL document)
2


SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Date: July 29, 2026
XENCOR, INC.
By:/s/ Celia Eckert
Celia Eckert
General Counsel & Corporate Secretary
3
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Frequently asked questions

When did Xencor Inc file this 8-K?
Xencor Inc (XNCR) filed this Current Report (Form 8-K) with the SEC on July 29, 2026. The accession number assigned by EDGAR is 0001326732-26-000049.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Xencor and Alexion settle U.S. Ultomiris royalties; Xencor to receive $105 million in two payments. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What events did Boardroom Alpha flag in this filing?
BA's event-extraction layer identified this signal in the filing text: "Settlement agreement". It appears above the filing body as a labeled pill.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Xencor Inc's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K Xencor Inc has filed under CIK 1326732, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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