| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Townsend Richard Nolan | Chief Executive Officer, Director | C/O LEXEO THERAPEUTICS, INC., 345 PARK AVENUE SOUTH, FLOOR 6, NEW YORK | /s/ Carole Rosenberg, Attorney-in-Fact | 20 Feb 2026 | 0001995218 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LXEO | Common Stock | Sale | $64,924 | -10,173 | -2.5% | $6.38 | 392,483 | 18 Feb 2026 | Direct | F1, F2, F3 |
| Id | Content |
|---|---|
| F1 | Represents a sale to cover tax obligations on the release of restricted stock units ("RSUs"). |
| F2 | This transaction was executed in multiple trades at prices ranging from $6.22 to $6.50. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. |
| F3 | Includes 261,349 Restricted Stock Units. |