Company profile
Puma Biotechnology, Inc. Insider Trading
PBYIEvery SEC Form 4 insider trading filing for Puma Biotechnology, Inc. (PBYI) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- Nasdaq
- Sector
- Pharmaceutical Preparations
- CIK
- 0001401667
- Filings
- 91
- Insiders
- 12
- Last filing
- 2026-09-14
Activity summary
No discretionary insider buying or selling in the last 30 days. Of the 4 transactions filed, 2 were scheduled under a 10b5-1 plan and 2 were grants, option exercises or other non-open-market activity.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Puma Biotechnology, Inc. insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $1.1M.
90 day insight
Over the last 90 days, Puma Biotechnology, Inc. insiders filed 7 Form 4 transactions, none of which were open-market purchases or sales.
- Most active insider: Alessandra Cesano with 3 transactions totaling $713K.
- Largest single sale: $567K by Alessandra Cesano on Sep 14, 2026.
- 100% of recent sales were pre-scheduled 10b5-1 trades, typically less informative than open-market activity.
Activity skews bullish: buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 14, 2026 | Alessandra Cesano | PBYI | Option Exercise | 50,000 | $2.93 | $147K |
| Sep 14, 2026 | Alessandra Cesano | PBYI | Sale10b5 | 62,150 | $9.12 | $567K |
| Sep 14, 2026 | Alessandra Cesano | PBYI | Option Exercise | 50,000 | — | — |
| Sep 14, 2026 | Troy Edward Wilson | PBYI | Sale10b5 | 5,000 | $9.10 | $46K |
| Jul 6, 2026 | Maximo F Nougues | PBYI | Sale10b5 | 9,386 | $8.26 | $78K |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Top insiders
By open-market value traded.
Institutional Ownership
Top 13F-HR holders of Puma Biotechnology, Inc. as of 2026-06-30
Data source: quarterly 13F-HR filings: institutional holders report positions within 45 days of quarter end. Joined with insider activity above: see who's loading up institutionally while insiders are trading. Full 13F-HR API →