| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| McKee Amy E | Director | 4505 EMPEROR BLVD., SUITE 200, DURHAM | /s/ Alane P. Barnes, by power of attorney | 03 Sep 2025 | 0001883764 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BCRX | Common Stock | Award | $5,618 | +676 | +1.7% | $8.31 | 41,007 | 29 Aug 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Shares of Common Stock issued to the reporting person in lieu of 50% of the quarterly cash Board Member retainer of $11,250. |