AUERBACH ALAN H 4

What Happened

Alan H. Auerbach, listed as a 10% owner of Puma Biotechnology, sold 44,058 shares of PBYI on July 6, 2026. The shares were disposed at $8.26 per share for a total transaction value of $364,051. The sale is reported as an open-market or private sale (transaction code S).

Key Details

• Transaction date and price: July 6, 2026 — 44,058 shares at $8.26 per share.
• Total value: $364,051.
• Shares owned after transaction: Not disclosed in the filing.
• Footnote: The sale is referenced under a 10b5-1(c) "sell to cover" program adopted on 12-17-2020 (per footnote F1).
• Filing timeliness: Form 4 was filed on July 8, 2026 (appears timely — within the required two business days).

Context

• This was a sale (S), not a purchase; sales by insiders can be routine and do not necessarily indicate a change in company prospects.
• The transaction is tied to a 10b5-1 plan, which typically means the sale was preplanned and executed according to that program's terms.