Puma Biotechnology's three largest insider shareholders as of June 18, 2026 are Alan H Auerbach (President And Ceo, 7.31Mn shares), Alan H Auerbach (President And Ceo, 4.42Mn shares), Maximo F Nougues (Chief Financial Officer, 240.02K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Jay M Moyes | - | 53,322 | 0 | 17 Jun, 2025 |
| Michael Patrick Miller | - | 54,000 | 0 | 13 Nov, 2025 |
| Alan H Auerbach | President And Ceo | 7,305,729 | 0 | 20 Feb, 2026 |
| Troy Edward Wilson | - | 43,550 | 0 | 17 Jun, 2025 |
| Adrian Senderowicz | - | 27,000 | 0 | 17 Jun, 2025 |
| Allison Dorval | - | 75,390 | 0 | 17 Jun, 2025 |
| Douglas M Hunt | - | 205,301 | 0 | 20 Feb, 2026 |
| Maximo F Nougues | Chief Financial Officer | 240,023 | 0 | 20 Feb, 2026 |
| Jeffrey Jerome Ludwig | Chief Commercial Officer | 156,792 | 0 | 11 Feb, 2025 |
| Alessandra Cesano | - | 41,850 | 0 | 22 Jul, 2025 |
| Alvin F Wong | Chief Scientific Officer | 141,241 | 0 | 14 Feb, 2024 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 18 Feb, 2026 | Alan H Auerbach | Common Stock | A | 159,778 | $0.00 | 7,305,729 | D | A |
| 18 Feb, 2026 | Douglas M Hunt | Common Stock | A | 49,394 | $0.00 | 205,301 | D | A |
| 18 Feb, 2026 | Maximo F Nougues | Common Stock | A | 46,739 | $0.00 | 240,023 | D | A |
| 18 Feb, 2026 | Alan H Auerbach | Stock Option (Right to Buy) | A | 227,474 | $0.00 | 227,474 | D | A |
| 18 Feb, 2026 | Douglas M Hunt | Stock Option (Right to Buy) | A | 70,321 | $0.00 | 70,321 | D | A |
| 18 Feb, 2026 | Maximo F Nougues | Stock Option (Right to Buy) | A | 66,541 | $0.00 | 66,541 | D | A |
| 06 Jan, 2026 | Douglas M Hunt | Common Stock | D | 3,973 | $5.84 | 160,921 | D | S |
| 06 Jan, 2026 | Maximo F Nougues | Common Stock | D | 4,540 | $5.84 | 199,689 | D | S |
| 06 Jan, 2026 | Alan H Auerbach | Common Stock | D | 16,938 | $5.84 | 7,163,963 | D | S |
| 07 Jan, 2026 | Maximo F Nougues | Common Stock | D | 6,405 | $5.88 | 193,284 | D | S |
| 07 Jan, 2026 | Alan H Auerbach | Common Stock | D | 18,012 | $5.88 | 7,145,951 | D | S |
| 07 Jan, 2026 | Douglas M Hunt | Common Stock | D | 5,014 | $5.88 | 155,907 | D | S |
| 11 Nov, 2025 | Michael Patrick Miller | Common Stock | D | 20,000 | $4.86 | 54,000 | D | S |
| 18 Jul, 2025 | Alessandra Cesano | Common Stock | D | 27,000 | $3.37 | 41,850 | D | S |
| 08 Jul, 2025 | Maximo F Nougues | Common Stock | D | 5,587 | $3.53 | 208,164 | D | S |
| 08 Jul, 2025 | Douglas M Hunt | Common Stock | D | 4,374 | $3.53 | 168,337 | D | S |
| 08 Jul, 2025 | Alan H Auerbach | Common Stock | D | 25,592 | $3.53 | 7,202,481 | D | S |
| 09 Jul, 2025 | Alan H Auerbach | Common Stock | D | 21,580 | $3.54 | 7,180,901 | D | S |
| 09 Jul, 2025 | Douglas M Hunt | Common Stock | D | 3,443 | $3.54 | 164,894 | D | S |
| 09 Jul, 2025 | Maximo F Nougues | Common Stock | D | 3,935 | $3.54 | 204,229 | D | S |