| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Stonehouse Jon P | Chief Executive Officer, Director | 4505 EMPEROR BLVD., SUITE 200, DURHAM | /s/ Alane P. Barnes, by power of attorney | 19 Dec 2025 | 0001385496 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BCRX | Common Stock | Gift | $0 | -20,000 | -1.4% | $0.000000 | 1,385,222 | 18 Dec 2025 | Direct | F1 |
| transaction | BCRX | Common Stock | Gift | $0 | +10,000 | +33% | $0.000000 | 40,000 | 18 Dec 2025 | By wife as co-trustee of the Caroline Stonehouse Irrevocable Trust | F1 |
| transaction | BCRX | Common Stock | Gift | $0 | +10,000 | +33% | $0.000000 | 40,000 | 18 Dec 2025 | By wife as co-trustee of the Samuel Stonehouse Irrevocable Trust | F1 |
| Id | Content |
|---|---|
| F1 | On December 18, 2025, the reporting person gifted 10,000 shares held directly by him to each of the Caroline Stonehouse Irrevocable Trust and the Samuel Stonehouse Irrevocable Trust. |
Exhibit List: Exhibit 24 - Power of Attorney