Skip to content
Insider tapeFilings through Fri, Oct 9
Watchlist
PBYI

PUMA BIOTECHNOLOGY (PBYI) stock: insider trades, news & valuation

Heavy selling
Close · Oct 9, 2026 $10.29 +3.2% on the day +97.5% over 12 months 52-week range $4.73 – $10.29

Share price and insider trades

PBYI closeInsider buyInsider sale
4681012NovDecJan 2026FebMarAprMayJunJulAugSepOctSold $97,200 on 2025-11-11 · Michael Patrick MillerSold $148,634 on 2026-01-06 · Alan H Auerbach, Douglas M Hunt, Maximo F NouguesSold $173,054 on 2026-01-07 · Alan H Auerbach, Douglas M Hunt, Maximo F NouguesSold $511,327 on 2026-07-06 · Alan H Auerbach, Douglas M Hunt, Maximo F NouguesSold $572,912 on 2026-06-12 · Adrian Senderowicz, Allison Dorval, Brian M Stuglik, Jay M Moyes, Troy Edward WilsonSold $612,308 on 2026-09-14 · Alessandra Cesano, Troy Edward Wilson
Bought, 12 months$0
Sold, 12 months$2.1M
Insiders buying0
Insiders selling10

PUMA BIOTECHNOLOGY insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 10 sold $2.1M of PBYI stock on the open market.

PBYI insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q4 2025: $97K sold (1 trades)Q4 2025Q1 2026: $322K sold (6 trades)Q1 2026Q2 2026: $573K sold (5 trades)Q2 2026Q3 2026: $1.1M sold (5 trades)Q3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026—0$1.1M5
Q2 2026—0$573K5
Q1 2026—0$322K6
Q4 2025—0$97K1

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day1.1×Last 5 sessions
Insiders' paper profit—On all tracked purchases —

Summary

Over the past 12 months, 0 PUMA BIOTECHNOLOGY, INC. insiders reported open-market purchases totaling $0, while 10 insiders reported sales totaling $2.1M. 16 of 17 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Sep 16SEC Alessandra CesanoDirector Sell Plan 62,15056,700 held (−52%) $9.12 $567K +12.8% —
Sep 16SEC Troy Edward WilsonDirector Sell Plan 5,00054,750 held (−8%) $9.10 $46K +13.1% —
Jul 8SEC Alan H AuerbachCEO, President Sell Plan 44,0587,261,671 held (−1%) $8.26 $364K +24.6% —
Jul 8SEC Maximo F NouguesCFO Sell Plan 9,386230,637 held (−4%) $8.26 $78K +24.6% —
Jul 8SEC Douglas M HuntSee Remarks Sell Plan 8,460196,841 held (−4%) $8.26 $70K +24.6% —
Jun 15SEC Adrian SenderowiczDirector Sell Plan 27,00027,000 held (−50%) $7.20 $194K +42.9% —
Jun 15SEC Jay M MoyesDirector Sell Plan 22,00058,322 held (−27%) $7.22 $159K +42.5% —
Jun 15SEC Allison DorvalDirector Sell Plan 11,61090,780 held (−11%) $7.20 $84K +42.9% —
Jun 15SEC Troy Edward WilsonDirector Sell Plan 10,80059,750 held (−15%) $7.20 $78K +42.9% —
Jun 15SEC Brian M StuglikDirector Sell Plan 8,100113,858 held (−7%) $7.20 $58K +42.9% —
Jan 8SEC Alan H AuerbachCEO, President Sell Plan 18,0127,145,951 held (−0%) $5.88 $106K +75.0% —
Jan 8SEC Alan H AuerbachCEO, President Sell Plan 16,9387,163,963 held (−0%) $5.84 $99K +76.2% —
Jan 8SEC Maximo F NouguesCFO Sell Plan 6,405193,284 held (−3%) $5.88 $38K +75.0% —
Jan 8SEC Douglas M HuntSee Remarks Sell Plan 5,014155,907 held (−3%) $5.88 $29K +75.0% —
Jan 8SEC Maximo F NouguesCFO Sell Plan 4,540199,689 held (−2%) $5.84 $27K +76.2% —
Jan 8SEC Douglas M HuntSee Remarks Sell Plan 3,973160,921 held (−2%) $5.84 $23K +76.2% —
Nov 13SEC Michael Patrick MillerDirector Sell 20,00054,000 held (−27%) $4.86 $97K +111.7% —

Insiders at PUMA BIOTECHNOLOGY, INC.

InsiderBoughtSoldLast filingScore
Alan H AuerbachCEO, President — $569K Jul 8, 2026 —
Alessandra CesanoDirector — $567K Sep 16, 2026 —
Adrian SenderowiczDirector — $194K Jun 15, 2026 —
Jay M MoyesDirector — $159K Jun 15, 2026 —
Maximo F NouguesCFO — $142K Jul 8, 2026 —
Troy Edward WilsonDirector — $123K Sep 16, 2026 —
Douglas M HuntSee Remarks — $123K Jul 8, 2026 —
Michael Patrick MillerDirector — $97K Nov 13, 2025 —
Allison DorvalDirector — $84K Jun 15, 2026 —
Brian M StuglikDirector — $58K Jun 15, 2026 —

PBYI stock: common questions

Are PUMA BIOTECHNOLOGY, INC. insiders buying PBYI stock?

In the past 12 months, 0 insiders reported open-market purchases of PBYI worth $0.

Are PUMA BIOTECHNOLOGY, INC. insiders selling PBYI stock?

10 insiders reported sales worth $2.1M over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is PBYI's 52-week range?

Over the past year PBYI has traded between $4.73 and $10.29. It last closed at $10.29 on Oct 9, 2026.