PBYI
PUMA BIOTECHNOLOGY, INC.
NASDAQ · Healthcare · Biotechnology · US
$9.55
+1.49%0
Insider buys (3m)
8
Insider sells (3m)
-$1.1M
Net value (3m)
+35.9%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Jul 8, 2026 | NOUGUES MAXIMO F · officer: Chief Financial Officer | Sale | 9,386 | $8.26 |
| Jul 8, 2026 | HUNT DOUGLAS M · officer: See Remarks | Sale | 8,460 | $8.26 |
| Jul 8, 2026 | AUERBACH ALAN H · director, 10 percent owner, officer: President and CEO | Sale | 44,058 | $8.26 |
| Jun 15, 2026 | Senderowicz Adrian · director | Sale | 27,000 | $7.20 |
| Jun 15, 2026 | MILLER MICHAEL PATRICK · director | A-Award | 27,000 | $0.00 |
| Jun 15, 2026 | Stuglik Brian M · director | A-Award | 27,000 | $0.00 |
| Jun 15, 2026 | MOYES JAY M · director | Sale | 22,000 | $7.22 |
| Jun 15, 2026 | WILSON TROY EDWARD · director | A-Award | 27,000 | $0.00 |
| Jun 15, 2026 | Dorval Allison · director | Sale | 11,610 | $7.20 |
| Jun 15, 2026 | Dorval Allison · director | A-Award | 27,000 | $0.00 |
| Jun 15, 2026 | WILSON TROY EDWARD · director | Sale | 10,800 | $7.20 |
| Jun 15, 2026 | Senderowicz Adrian · director | A-Award | 27,000 | $0.00 |
| Jun 15, 2026 | Cesano Alessandra · director | A-Award | 27,000 | $0.00 |
| Jun 15, 2026 | Stuglik Brian M · director | Sale | 8,100 | $7.20 |
| Jun 15, 2026 | MOYES JAY M · director | A-Award | 27,000 | $0.00 |
| Feb 20, 2026 | NOUGUES MAXIMO F · officer: Chief Financial Officer | A-Award | 46,739 | $0.00 |
| Feb 20, 2026 | HUNT DOUGLAS M · officer: See Remarks | A-Award | 49,394 | $0.00 |
| Feb 20, 2026 | NOUGUES MAXIMO F · officer: Chief Financial Officer | A-Award | 66,541 | $6.68 |
| Feb 20, 2026 | AUERBACH ALAN H · director, 10 percent owner, officer: President and CEO | A-Award | 227,474 | $6.68 |
| Feb 20, 2026 | HUNT DOUGLAS M · officer: See Remarks | A-Award | 70,321 | $6.68 |
| Feb 20, 2026 | AUERBACH ALAN H · director, 10 percent owner, officer: President and CEO | A-Award | 159,778 | $0.00 |
| Jan 8, 2026 | NOUGUES MAXIMO F · officer: Chief Financial Officer | Sale | 6,405 | $5.88 |
| Jan 8, 2026 | AUERBACH ALAN H · director, 10 percent owner, officer: President and CEO | Sale | 18,012 | $5.88 |
| Jan 8, 2026 | NOUGUES MAXIMO F · officer: Chief Financial Officer | Sale | 4,540 | $5.84 |
| Jan 8, 2026 | HUNT DOUGLAS M · officer: See Remarks | Sale | 5,014 | $5.88 |
| Jan 8, 2026 | HUNT DOUGLAS M · officer: See Remarks | Sale | 3,973 | $5.84 |
| Jan 8, 2026 | AUERBACH ALAN H · director, 10 percent owner, officer: President and CEO | Sale | 16,938 | $5.84 |
| Nov 13, 2025 | MILLER MICHAEL PATRICK · director | Sale | 20,000 | $4.86 |
| Jul 22, 2025 | Cesano Alessandra · director | Sale | 27,000 | $3.37 |
| Jul 10, 2025 | AUERBACH ALAN H · director, 10 percent owner, officer: President and CEO | Sale | 21,580 | $3.54 |
Institutional positioning
13F filings over the trailing two quarters
New 51Increased 123Reduced 92Sold out 15
| Filer | Action | Shares | Filed |
|---|---|---|---|
| ACORN CAPITAL ADVISORS, LLC | Unchanged | 4,131,299 | May 15, 2026 |
| ACORN CAPITAL ADVISORS, LLC | Unchanged | 4,131,299 | Aug 14, 2026 |
| BlackRock, Inc. | Increased | 3,804,736 | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 3,598,952 | May 13, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 2,319,996 | Aug 12, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 2,053,523 | Aug 13, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | Increased | 2,041,759 | May 13, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 1,942,413 | May 14, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 1,916,346 | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 1,836,213 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 1,835,643 | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Increased | 1,825,599 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1,817,681 | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 1,734,649 | May 8, 2026 |
| LSV ASSET MANAGEMENT | Increased | 1,617,981 | Aug 6, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Jul 8, 2026