| Name | Relationship | Address | Signature | Signature date | CIK | 
|---|---|---|---|---|---|
| Valente Nancy | EVP, Chief Development Officer | C/O XENCOR, INC., 465 N HALSTEAD STREET, SUITE 200, PASADENA | /s/ Celia E. Eckert, Attorney-in-Fact | 2025-05-06 | 0001891344 | 
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | XNCR | Common Stock | Sale | -$50.9K | -4.62K | -8.58% | $11.03 | 49.2K | May 2, 2025 | Direct | F1 | 
| Id | Content | 
|---|---|
| F1 | Represents the disposition of shares that were sold to pay withholding taxes upon vesting of 13,099 restricted stock units. |