
Puma Biotechnology, Inc.
PBYIHealthcare|Biotechnology|US
$8.25
-1.52 (-15.56%)
DCF Value
$16.32
Tangible Book / Share
$2.10
Cash / Share
$2.10
Ownership Breakdown
77.6%
Float
51.6M
Shares Outstanding
40.1M
Float Shares
Major Holders (11)
Combined: 60.1%
Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.
| Holder | Type | % of Class | Shares | Filed | Filing |
|---|---|---|---|---|---|
| Alan H. Auerbach | Individual | 16.00% | 8,648,958 | Oct 6, 2026 | 13D/G |
| Anders Hove | Individual | 8.00% | 3,940,052 | Feb 14, 2025 | 13D/G |
| BlackRock, Inc. | Holding company | 5.60% | 2,779,452 | Apr 17, 2025 | 13D/G |
| Acorn Bioventures 2, L.P. | Partnership | 4.70% | 2,285,229 | Feb 14, 2025 | 13D/G |
| Acorn Capital Advisors GP 2, LLC | Other | 4.70% | 285,229 | Feb 14, 2025 | 13D/G |
| Israel A. Englander | Individual | 3.90% | 1,894,126 | Feb 3, 2025 | 13D/G |
| Millennium Group Management LLC | Other | 3.90% | 1,894,126 | Feb 3, 2025 | 13D/G |
| Millennium Management LLC | Other | 3.90% | 1,894,126 | Feb 3, 2025 | 13D/G |
| Acorn Bioventures, L.P. | Partnership | 3.30% | 1,654,823 | Feb 14, 2025 | 13D/G |
| Acorn Capital Advisors GP, LLC | Other | 3.30% | 1,654,823 | Feb 14, 2025 | 13D/G |
| Integrated Core Strategies (US) LLC | Other | 2.80% | 1,388,298 | Feb 3, 2025 | 13D/G |
Insider Trades (100)
Last 4 quarters: 859,247 acquired · 333,446 disposed
| Insider | Position | Date | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| WILSON TROY EDWARD | director | Sep 14, 2026 | SELL | 5,000 | $9.10 | $45.5K | Form 4 |
| Cesano Alessandra | director | Sep 14, 2026 | OPTION EX. | 50,000 | $2.93 | $146.5K | Form 4 |
| Cesano Alessandra | director | Sep 14, 2026 | SELL | 62,150 | $9.12 | $567.0K | Form 4 |
| Cesano Alessandra | director | Sep 14, 2026 | OPTION EX. | 50,000 | $2.93 | $146.5K | Form 4 |
| AUERBACH ALAN H | director, 10 percent owner, officer: President and CEO | Jul 6, 2026 | SELL | 44,058 | $8.26 | $364.1K | Form 4 |
| HUNT DOUGLAS M | See Remarks | Jul 6, 2026 | SELL | 8,460 | $8.26 | $69.9K | Form 4 |
| NOUGUES MAXIMO F | Chief Financial Officer | Jul 6, 2026 | SELL | 9,386 | $8.26 | $77.6K | Form 4 |
| WILSON TROY EDWARD | director | Jun 11, 2026 | AWARD | 27,000 | — | — | Form 4 |
| WILSON TROY EDWARD | director | Jun 12, 2026 | SELL | 10,800 | $7.20 | $77.7K | Form 4 |
| Stuglik Brian M | director | Jun 11, 2026 | AWARD | 27,000 | — | — | Form 4 |
| Stuglik Brian M | director | Jun 12, 2026 | SELL | 8,100 | $7.20 | $58.3K | Form 4 |
| Senderowicz Adrian | director | Jun 11, 2026 | AWARD | 27,000 | — | — | Form 4 |
| Senderowicz Adrian | director | Jun 12, 2026 | SELL | 27,000 | $7.20 | $194.3K | Form 4 |
| MILLER MICHAEL PATRICK | director | Jun 11, 2026 | AWARD | 27,000 | — | — | Form 4 |
| MOYES JAY M | director | Jun 11, 2026 | AWARD | 27,000 | — | — | Form 4 |
| MOYES JAY M | director | Jun 12, 2026 | SELL | 22,000 | $7.22 | $158.8K | Form 4 |
| Dorval Allison | director | Jun 11, 2026 | AWARD | 27,000 | — | — | Form 4 |
| Dorval Allison | director | Jun 12, 2026 | SELL | 11,610 | $7.20 | $83.6K | Form 4 |
| Cesano Alessandra | director | Jun 11, 2026 | AWARD | 27,000 | — | — | Form 4 |
| AUERBACH ALAN H | director, 10 percent owner, officer: President and CEO | Feb 18, 2026 | AWARD | 159,778 | — | — | Form 4 |
| AUERBACH ALAN H | director, 10 percent owner, officer: President and CEO | Feb 18, 2026 | AWARD | 227,474 | $6.68 | $1.5M | Form 4 |
| HUNT DOUGLAS M | See Remarks | Feb 18, 2026 | AWARD | 49,394 | — | — | Form 4 |
| HUNT DOUGLAS M | See Remarks | Feb 18, 2026 | AWARD | 70,321 | $6.68 | $469.7K | Form 4 |
| NOUGUES MAXIMO F | Chief Financial Officer | Feb 18, 2026 | AWARD | 46,739 | — | — | Form 4 |
| NOUGUES MAXIMO F | Chief Financial Officer | Feb 18, 2026 | AWARD | 66,541 | $6.68 | $444.5K | Form 4 |
| AUERBACH ALAN H | director, 10 percent owner, officer: President and CEO | Jan 6, 2026 | SELL | 16,938 | $5.84 | $99.0K | Form 4 |
| AUERBACH ALAN H | director, 10 percent owner, officer: President and CEO | Jan 7, 2026 | SELL | 18,012 | $5.88 | $105.9K | Form 4 |
| HUNT DOUGLAS M | See Remarks | Jan 6, 2026 | SELL | 3,973 | $5.84 | $23.2K | Form 4 |
| HUNT DOUGLAS M | See Remarks | Jan 7, 2026 | SELL | 5,014 | $5.88 | $29.5K | Form 4 |
| NOUGUES MAXIMO F | Chief Financial Officer | Jan 6, 2026 | SELL | 4,540 | $5.84 | $26.5K | Form 4 |
| NOUGUES MAXIMO F | Chief Financial Officer | Jan 7, 2026 | SELL | 6,405 | $5.88 | $37.7K | Form 4 |
| MILLER MICHAEL PATRICK | director | Nov 11, 2025 | SELL | 20,000 | $4.86 | $97.2K | Form 4 |
| Cesano Alessandra | director | Jul 18, 2025 | SELL | 27,000 | $3.37 | $90.9K | Form 4 |
| NOUGUES MAXIMO F | Chief Financial Officer | Jul 8, 2025 | SELL | 5,587 | $3.53 | $19.7K | Form 4 |
| NOUGUES MAXIMO F | Chief Financial Officer | Jul 9, 2025 | SELL | 3,935 | $3.54 | $13.9K | Form 4 |
| HUNT DOUGLAS M | See Remarks | Jul 8, 2025 | SELL | 4,374 | $3.53 | $15.5K | Form 4 |
| HUNT DOUGLAS M | See Remarks | Jul 9, 2025 | SELL | 3,443 | $3.54 | $12.2K | Form 4 |
| AUERBACH ALAN H | director, 10 percent owner, officer: President and CEO | Jul 8, 2025 | SELL | 25,592 | $3.53 | $90.4K | Form 4 |
| AUERBACH ALAN H | director, 10 percent owner, officer: President and CEO | Jul 9, 2025 | SELL | 21,580 | $3.54 | $76.3K | Form 4 |
| WILSON TROY EDWARD | director | Jun 13, 2025 | SELL | 10,800 | $3.40 | $36.7K | Form 4 |
| Stuglik Brian M | director | Jun 13, 2025 | SELL | 8,100 | $3.39 | $27.5K | Form 4 |
| Senderowicz Adrian | director | Jun 13, 2025 | SELL | 27,000 | $3.40 | $91.8K | Form 4 |
| MOYES JAY M | director | Jun 13, 2025 | SELL | 22,000 | $3.40 | $74.8K | Form 4 |
| Dorval Allison | director | Jun 13, 2025 | SELL | 11,610 | $3.40 | $39.5K | Form 4 |
| Cesano Alessandra | director | Jun 13, 2025 | SELL | 12,150 | $3.40 | $41.3K | Form 4 |
| MILLER MICHAEL PATRICK | director | Jun 11, 2025 | AWARD | 27,000 | — | — | Form 4 |
| Senderowicz Adrian | director | Jun 11, 2025 | AWARD | 27,000 | — | — | Form 4 |
| MOYES JAY M | director | Jun 11, 2025 | AWARD | 27,000 | — | — | Form 4 |
| Dorval Allison | director | Jun 11, 2025 | AWARD | 27,000 | — | — | Form 4 |
| Stuglik Brian M | director | Jun 11, 2025 | AWARD | 27,000 | — | — | Form 4 |
| WILSON TROY EDWARD | director | Jun 11, 2025 | AWARD | 27,000 | — | — | Form 4 |
| Cesano Alessandra | director | Jun 11, 2025 | AWARD | 27,000 | — | — | Form 4 |
| NOUGUES MAXIMO F | Chief Financial Officer | Feb 7, 2025 | AWARD | 61,456 | — | — | Form 4 |
| NOUGUES MAXIMO F | Chief Financial Officer | Feb 7, 2025 | AWARD | 85,067 | $2.78 | $236.5K | Form 4 |
| Ludwig Jeffrey Jerome | Chief Commercial Officer | Feb 7, 2025 | AWARD | 47,841 | — | — | Form 4 |
| Ludwig Jeffrey Jerome | Chief Commercial Officer | Feb 7, 2025 | AWARD | 66,221 | $2.78 | $184.1K | Form 4 |
| HUNT DOUGLAS M | See Remarks | Feb 7, 2025 | AWARD | 48,117 | — | — | Form 4 |
| HUNT DOUGLAS M | See Remarks | Feb 7, 2025 | AWARD | 66,604 | $2.78 | $185.2K | Form 4 |
| AUERBACH ALAN H | director, 10 percent owner, officer: President and CEO | Feb 7, 2025 | AWARD | 198,399 | — | — | Form 4 |
| AUERBACH ALAN H | director, 10 percent owner, officer: President and CEO | Feb 7, 2025 | AWARD | 274,622 | $2.78 | $763.4K | Form 4 |
| NOUGUES MAXIMO F | Chief Financial Officer | Jan 2, 2025 | SELL | 10,227 | $3.15 | $32.2K | Form 4 |
| Ludwig Jeffrey Jerome | Chief Commercial Officer | Jan 2, 2025 | SELL | 9,437 | $3.15 | $29.7K | Form 4 |
| HUNT DOUGLAS M | See Remarks | Jan 2, 2025 | SELL | 8,633 | $3.15 | $27.2K | Form 4 |
| AUERBACH ALAN H | director, 10 percent owner, officer: President and CEO | Jan 2, 2025 | SELL | 33,841 | $3.15 | $106.7K | Form 4 |
| MILLER MICHAEL PATRICK | director | Aug 12, 2024 | SELL | 23,358 | $3.49 | $81.5K | Form 4 |
| NOUGUES MAXIMO F | Chief Financial Officer | Jul 17, 2024 | SELL | 4,156 | $3.70 | $15.4K | Form 4 |
| Ludwig Jeffrey Jerome | Chief Commercial Officer | Jul 17, 2024 | SELL | 2,598 | $3.70 | $9.6K | Form 4 |
| HUNT DOUGLAS M | See Remarks | Jul 17, 2024 | SELL | 3,637 | $3.70 | $13.5K | Form 4 |
| AUERBACH ALAN H | director, 10 percent owner, officer: President and CEO | Jul 17, 2024 | SELL | 21,920 | $3.70 | $81.1K | Form 4 |
| NOUGUES MAXIMO F | Chief Financial Officer | Jul 2, 2024 | SELL | 5,295 | $3.27 | $17.3K | Form 4 |
| Ludwig Jeffrey Jerome | Chief Commercial Officer | Jul 2, 2024 | SELL | 6,051 | $3.27 | $19.8K | Form 4 |
| HUNT DOUGLAS M | See Remarks | Jul 2, 2024 | SELL | 4,349 | $3.27 | $14.2K | Form 4 |
| AUERBACH ALAN H | director, 10 percent owner, officer: President and CEO | Jul 2, 2024 | SELL | 18,885 | $3.27 | $61.7K | Form 4 |
| WILSON TROY EDWARD | director | Jun 18, 2024 | AWARD | 27,000 | — | — | Form 4 |
| Stuglik Brian M | director | Jun 18, 2024 | AWARD | 27,000 | — | — | Form 4 |
| Senderowicz Adrian | director | Jun 18, 2024 | AWARD | 27,000 | — | — | Form 4 |
| MILLER MICHAEL PATRICK | director | Jun 18, 2024 | AWARD | 27,000 | — | — | Form 4 |
| MOYES JAY M | director | Jun 18, 2024 | AWARD | 27,000 | — | — | Form 4 |
| Dorval Allison | director | Jun 18, 2024 | AWARD | 27,000 | — | — | Form 4 |
| Cesano Alessandra | director | Jun 18, 2024 | AWARD | 27,000 | — | — | Form 4 |
| WILSON TROY EDWARD | director | Jun 13, 2024 | SELL | 27,000 | $3.33 | $89.9K | Form 4 |
| Stuglik Brian M | director | Jun 13, 2024 | SELL | 9,900 | $3.39 | $33.5K | Form 4 |
| Senderowicz Adrian | director | Jun 13, 2024 | SELL | 27,000 | $3.33 | $89.8K | Form 4 |
| MOYES JAY M | director | Jun 13, 2024 | SELL | 22,000 | $3.34 | $73.5K | Form 4 |
| Dorval Allison | director | Jun 13, 2024 | SELL | 11,000 | $3.37 | $37.1K | Form 4 |
| AUERBACH ALAN H | director, 10 percent owner, officer: President and CEO | Mar 15, 2024 | AWARD | 6,577 | — | — | Form 4 |
| AUERBACH ALAN H | director, 10 percent owner, officer: President and CEO | Mar 15, 2024 | AWARD | 9,047 | $5.00 | $45.2K | Form 4 |
| Wong Alvin F | Chief Scientific Officer | Feb 12, 2024 | AWARD | 43,307 | — | — | Form 4 |
| Wong Alvin F | Chief Scientific Officer | Feb 12, 2024 | AWARD | 59,946 | $6.36 | $381.3K | Form 4 |
| NOUGUES MAXIMO F | Chief Financial Officer | Feb 12, 2024 | AWARD | 43,307 | — | — | Form 4 |
| NOUGUES MAXIMO F | Chief Financial Officer | Feb 12, 2024 | AWARD | 59,946 | $6.36 | $381.3K | Form 4 |
| Ludwig Jeffrey Jerome | Chief Commercial Officer | Feb 12, 2024 | AWARD | 27,067 | — | — | Form 4 |
| Ludwig Jeffrey Jerome | Chief Commercial Officer | Feb 12, 2024 | AWARD | 37,466 | $6.36 | $238.3K | Form 4 |
| AUERBACH ALAN H | director, 10 percent owner, officer: President and CEO | Feb 12, 2024 | AWARD | 160,796 | — | — | Form 4 |
| AUERBACH ALAN H | director, 10 percent owner, officer: President and CEO | Feb 12, 2024 | AWARD | 222,573 | $6.36 | $1.4M | Form 4 |
| HUNT DOUGLAS M | See Remarks | Feb 12, 2024 | AWARD | 37,894 | — | — | Form 4 |
| HUNT DOUGLAS M | See Remarks | Feb 12, 2024 | AWARD | 52,452 | $6.36 | $333.6K | Form 4 |
| Wong Alvin F | Chief Scientific Officer | Dec 4, 2023 | SELL | 280 | $3.76 | $1.1K | Form 4 |
| Wong Alvin F | Chief Scientific Officer | Jan 3, 2024 | SELL | 7,733 | $4.49 | $34.7K | Form 4 |
| Ludwig Jeffrey Jerome | Chief Commercial Officer | Jan 3, 2024 | SELL | 12,956 | $4.49 | $58.1K | Form 4 |
Congress & Senate Trades (2)
Donna ShalalaHouse · FL27May 15, 2019
Donna ShalalaHouse · FL27Jan 23, 2019