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PBYI

PUMA BIOTECHNOLOGY, INC.

NASDAQ · Healthcare · Biotechnology · US

$9.60
+0.84%
Ask drillr
0
Insider buys (3m)
5
Insider sells (3m)
-$1.1M
Net value (3m)
+23.6%
Price return (3m)
Form 4 filings
DateInsiderActivitySharesPrice
Sep 16, 2026WILSON TROY EDWARD · directorSale5,000$9.10
Sep 16, 2026Cesano Alessandra · directorSale62,150$9.12
Sep 16, 2026Cesano Alessandra · directorM-Exempt50,000$2.93
Jul 8, 2026AUERBACH ALAN H · director, 10 percent owner, officer: President and CEOSale44,058$8.26
Jul 8, 2026HUNT DOUGLAS M · officer: See RemarksSale8,460$8.26
Jul 8, 2026NOUGUES MAXIMO F · officer: Chief Financial OfficerSale9,386$8.26
Jun 15, 2026MOYES JAY M · directorSale22,000$7.22
Jun 15, 2026WILSON TROY EDWARD · directorSale10,800$7.20
Jun 15, 2026Stuglik Brian M · directorA-Award27,000$0.00
Jun 15, 2026Dorval Allison · directorA-Award27,000$0.00
Jun 15, 2026Cesano Alessandra · directorA-Award27,000$0.00
Jun 15, 2026MILLER MICHAEL PATRICK · directorA-Award27,000$0.00
Jun 15, 2026MOYES JAY M · directorA-Award27,000$0.00
Jun 15, 2026Senderowicz Adrian · directorSale27,000$7.20
Jun 15, 2026Stuglik Brian M · directorSale8,100$7.20
Jun 15, 2026WILSON TROY EDWARD · directorA-Award27,000$0.00
Jun 15, 2026Senderowicz Adrian · directorA-Award27,000$0.00
Jun 15, 2026Dorval Allison · directorSale11,610$7.20
Feb 20, 2026HUNT DOUGLAS M · officer: See RemarksA-Award49,394$0.00
Feb 20, 2026NOUGUES MAXIMO F · officer: Chief Financial OfficerA-Award66,541$6.68
Feb 20, 2026AUERBACH ALAN H · director, 10 percent owner, officer: President and CEOA-Award227,474$6.68
Feb 20, 2026AUERBACH ALAN H · director, 10 percent owner, officer: President and CEOA-Award159,778$0.00
Feb 20, 2026NOUGUES MAXIMO F · officer: Chief Financial OfficerA-Award46,739$0.00
Feb 20, 2026HUNT DOUGLAS M · officer: See RemarksA-Award70,321$6.68
Jan 8, 2026NOUGUES MAXIMO F · officer: Chief Financial OfficerSale6,405$5.88
Jan 8, 2026AUERBACH ALAN H · director, 10 percent owner, officer: President and CEOSale18,012$5.88
Jan 8, 2026NOUGUES MAXIMO F · officer: Chief Financial OfficerSale4,540$5.84
Jan 8, 2026HUNT DOUGLAS M · officer: See RemarksSale5,014$5.88
Jan 8, 2026HUNT DOUGLAS M · officer: See RemarksSale3,973$5.84
Jan 8, 2026AUERBACH ALAN H · director, 10 percent owner, officer: President and CEOSale16,938$5.84
Institutional positioning

13F filings over the trailing two quarters

New 50Increased 123Reduced 92Sold out 15
FilerActionSharesFiled
ACORN CAPITAL ADVISORS, LLCUnchanged4,131,299Aug 14, 2026
ACORN CAPITAL ADVISORS, LLCUnchanged4,131,299May 15, 2026
BlackRock, Inc.Increased3,804,736Aug 7, 2026
BLACKROCK, INC.Reduced3,598,952May 13, 2026
AMERICAN CENTURY COMPANIES INCIncreased2,319,996Aug 12, 2026
ACADIAN ASSET MANAGEMENT LLCIncreased2,053,523Aug 13, 2026
ACADIAN ASSET MANAGEMENT LLCIncreased2,041,759May 13, 2026
RENAISSANCE TECHNOLOGIES LLCReduced1,942,413May 14, 2026
AMERICAN CENTURY COMPANIES INCIncreased1,916,346May 15, 2026
RENAISSANCE TECHNOLOGIES LLCReduced1,836,213Aug 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCIncreased1,835,643Aug 13, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCIncreased1,825,599Aug 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position1,817,681May 15, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position1,734,649May 8, 2026
LSV ASSET MANAGEMENTIncreased1,617,981Aug 6, 2026

Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Sep 16, 2026