Bart Jan Cornelissen - 10 Apr 2026 Form 4 Insider Report for Xencor Inc (XNCR)

Reporting relationship
SR. VICE PRESIDENT & CFO
Issuer ticker
XNCR
Reported as of
10 Apr 2026
Net transaction value
-$42,990
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
13 Apr 2026, 16:01:46 UTC
Prior SEC filing
09 Mar 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Celia E. Eckert, Attorney-in-Fact

Key filing fact

Bart Jan Cornelissen filed Form 4 for Xencor Inc (XNCR) on 13 Apr 2026.

Key facts

  • This page summarizes Bart Jan Cornelissen's Form 4 filing for Xencor Inc (XNCR).
  • 1 reported transaction and 0 derivative rows are listed below.
  • Accepted by SEC: 13 Apr 2026, 16:01.

Change

  • Previous filing in this sequence was filed on 09 Mar 2026.
  • Current net transaction value: -$42,990.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002018934 Primary reporting owner

Cornelissen Bart Jan

Relationship
SR. VICE PRESIDENT & CFO
Address
C/O XENCOR, INC., 465 N HALSTEAD STREET, SUITE 200, PASADENA
Signature
/s/ Celia E. Eckert, Attorney-in-Fact
Signature date
13 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

XNCR transaction

Common Stock

Sale

Transaction value
$42,990
Shares
-3,499
Change %
-4.4%
Price
$12.29
Shares after
75,898
Date
10 Apr 2026
Ownership
Direct
Footnotes
F1
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Represents the disposition of shares that were sold to pay withholding taxes upon vesting of 14,088 restricted stock units.

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