Latest filingSep 17, 2026Most recent Form 4
PBYI
PUMA BIOTECHNOLOGY, INC.
NasdaqHealthcarePharmaceutical Preparations
Insider activity for last month from 08/17 to 09/17. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$61.2M2 sells
Net open-market-$61.2M2 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period4transactions
- M · Option exercise · dominant2 · 50%
- S · Open-market sells2 · 50%
Activity by reported role
A joint filing can contribute to multiple roles4transactions
- Director · dominant4 · 100%
Distinct insiders active
Reporting-owner CIKs by month · peak Sep 2026 (2)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typeCesano AlessandraCommon Stock · Direct
118,850Sep 14, 2026
Cesano AlessandraStock Option · Direct
50,000Sep 14, 2026
Wilson Troy EdwardCommon Stock · Direct
54,750Sep 14, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 17 → Sep 17
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Top insiders
By absolute net value across the selected period- CA-$420.5k
- WE-$45.5k
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
No filing-only signal badges matched this period.
PBYI transaction history
Filters apply within this company and selected period by defaultLatest insider transactions
Form 4 filings from last month. Click any column to sort; click it again to flip the order.
| ID | Ticker | Insider | Role | Type | Shares | Value | Code | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|
| #223176 | PBYI | Wilson Troy Edward | DIR | sale10b5-1 | 5.00k | -$4.55M | S | 09/17 | 09/14 |
| #223159 | PBYI | Cesano Alessandra | DIR | exercise10b5-1 | 50.0k | $0 | M | 09/17 | 09/14 |
| #223158 | PBYI | Cesano Alessandra | DIR | sale10b5-1 | 62.1k | -$56.6M | S | 09/17 | 09/14 |
| #223157 | PBYI | Cesano Alessandra | DIR | exercise10b5-1 | 50.0k | $14.6M | M | 09/17 | 09/14 |
PUMA BIOTECHNOLOGY, INC. Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at PUMA BIOTECHNOLOGY, INC.?
WILSON TROY EDWARD, Cesano Alessandra.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Wilson Troy Edward reported a sale on Sep 14, 2026 valued at $4.55M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $612,494.45. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.