| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| AUERBACH ALAN H | President and CEO, Director, 10%+ Owner | C/O PUMA BIOTECHNOLOGY, INC., 10880 WILSHIRE BLVD., SUITE 1700, LOS ANGELES | /s/ Gordon Esplin as attorney-in-fact for Alan H. Auerbach | 20 Feb 2026 | 0001358285 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PBYI | Common Stock | Award | $0 | +159,778 | +2.2% | $0.000000 | 7,305,729 | 18 Feb 2026 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PBYI | Stock Option (Right to Buy) | Award | $0 | +227,474 | $0.000000 | 227,474 | 18 Feb 2026 | Common Stock | 227,474 | $6.68 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Represents the grant of Restricted Stock Units ('RSUs"). Subject to the Reporting Person's continued status as an Employee of the Company, the RSUs shall vest with respect to one-fourth (1/4th) of the RSUs on each of July 1, 2026, January 1, 2027, July 1, 2027 and January 1, 2028, subject to acceleration in certain events. |
| F2 | Subject to the Reporting Person's continued status as an Employee of the Company, the Options shall vest and become exercisable with respect to one-fourth (1/4th) of the shares of Common Stock subject thereto on each of July 1, 2026, January 1, 2027, July 1, 2027 and January 1, 2028, subject to acceleration in certain events. |