Troy E. Wilson - 14 Sep 2026 Form 4 Insider Report for PUMA BIOTECHNOLOGY, INC. (PBYI)

Reporting relationship: Director
Issuer ticker: PBYI
Reported as of: 14 Sep 2026
Net transaction value: -$45,500
SEC form: 4
Accepted by SEC: 16 Sep 2026, 21:13:38 UTC
Prior SEC filing: 24 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ Chirs Culotta as attorney-in-fact for Troy E. Wilson

Key filing fact

Troy E. Wilson filed Form 4 for PUMA BIOTECHNOLOGY, INC. (PBYI) on 16 Sep 2026.

Key facts

This page summarizes Troy E. Wilson's Form 4 filing for PUMA BIOTECHNOLOGY, INC. (PBYI).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 16 Sep 2026, 21:13.

Change

Previous filing in this sequence was filed on 24 Aug 2026.
Current net transaction value: -$45,500.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001589597 Primary reporting owner

WILSON TROY EDWARD

Relationship: Director
Address: C/O PUMA BIOTECHNOLOGY, INC., 10880 WILSHIRE BOULEVARD, SUITE 1700, LOS ANGELES
Signature: /s/ Chirs Culotta as attorney-in-fact for Troy E. Wilson
Signature date: 16 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

PBYI transaction

Common Stock

Sale

Transaction value: $45,500
Shares: -5,000
Change %: -8.4%
Price: $9.10
Shares after: 54,750
Date: 14 Sep 2026
Ownership: Direct
Footnotes: F1

PBYI holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 400
Date: 14 Sep 2026
Ownership: By Child #1

PBYI holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 150
Date: 14 Sep 2026
Ownership: By Child #2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 1 footnote

Footnote F1

Adoption date of referenced 10b5-1(c) plan is: 06-15-2026