Microcap Ledger

Tickers · $PBYI

Puma Biotechnology, Inc. $PBYI

By Microcap Ledger desk · CIK 0001401667

Facts as of . Built from SEC filings and our own data. Small caps move fast; check the latest filings.

Snapshot

Exchange
Nasdaq Global Select Market
Sector
Pharmaceutical Preparations
Headquarters
Los Angeles, CA
Fiscal year end
December 31
Shares outstanding
51,620,066 [10-Q 2026-08-06]
as of 2026-08-03

Sources: [10-K 2026-02-26]

What the company doesAI summary of filing

Puma Biotechnology is a biopharmaceutical company that commercializes and develops cancer treatments. The company's primary revenue-generating product is NERLYNX (neratinib), an oral tyrosine kinase inhibitor approved for treating HER2-positive breast cancer in both early-stage and metastatic settings. NERLYNX is marketed in the United States through a direct specialty sales force and in over 40 countries outside the U.S. through licensing agreements. The company also develops alisertib, an Aurora Kinase A inhibitor in-licensed from Takeda, which is in clinical development for small cell lung cancer and hormone receptor-positive breast cancer. [10-K 2026-02-26]

Segments: NERLYNX (neratinib) - HER2-positive breast cancer, Alisertib - small cell lung cancer, Alisertib - hormone receptor-positive breast cancer

Financial health

From XBRL company facts (USD)
PeriodRevenueNet incomeOperating cash flowCashFiling
6 months to Jun 2026$101.32M$4.44M $17.04M$36.54M[10-Q 2026-08-06]
FY ended Dec 2025$228.37M$31.11M $41.80M$29.64M[10-K 2026-02-26]
FY ended Dec 2024$230.47M$30.28M $38.92M$69.22M[10-K 2026-02-26]

Capital structure and dilution

Summary only. How these instruments work: Dilution & financing desk.

Share count
DateShares outstandingFiling
2024-11-0449,087,684[10-Q 2024-11-07]
2025-02-2449,610,799[10-K 2025-02-27]
2025-05-0549,638,093[10-Q 2025-05-08]
2025-08-0450,370,723[10-Q 2025-08-07]
2025-11-0350,391,107[10-Q 2025-11-06]
2026-02-2350,876,487[10-K 2026-02-26]
2026-05-0450,899,456[10-Q 2026-05-07]
2026-08-0351,620,066[10-Q 2026-08-06]

Listing status

Current status: No Form 8-K Item 3.01 (listing notice) filings in the last 24 months, as of 2026-10-11.

More on deficiency notices and uplistings: Listing status desk.

Who owns it

Recent Form 4 transactions
DateInsiderTypeSharesPriceFiling
2026-09-14Wilson Troy Edwardsell5,000$9.10[4 2026-09-16]
2026-09-14Cesano Alessandraexercise50,000$2.93[4 2026-09-16]
2026-09-14Cesano Alessandrasell62,150$9.12[4 2026-09-16]
2026-07-06Auerbach Alan Hsell44,058$8.26[4 2026-07-08]
2026-07-06Hunt Douglas Msell8,460$8.26[4 2026-07-08]
2026-07-06Nougues Maximo Fsell9,386$8.26[4 2026-07-08]
2026-06-12Wilson Troy Edwardsell10,800$7.20[4 2026-06-15]
2026-06-12Stuglik Brian Msell8,100$7.20[4 2026-06-15]
2026-06-12Senderowicz Adriansell27,000$7.20[4 2026-06-15]
2026-06-11Wilson Troy Edwardgrant27,000—[4 2026-06-15]
2026-06-11Stuglik Brian Mgrant27,000—[4 2026-06-15]
2026-06-11Senderowicz Adriangrant27,000—[4 2026-06-15]

Catalysts and calendar

Recent filings and releases
DateTypeTitle
2026-10-0613D/ABeneficial ownership report (5%+ holder)
2026-08-0610-QQuarterly report
2026-08-068-KResults of operations
2026-06-168-KShareholder vote results
2026-05-0710-QQuarterly report
2026-05-078-KResults of operations
2026-04-28DEF 14AProxy statement
2026-04-07PRE 14AProxy statement
2026-03-2713G/ABeneficial ownership report (5%+ holder)
2026-02-2610-KAnnual report
2026-02-268-KResults of operations
2025-11-0610-QQuarterly report

Facts as of . Small caps move fast; check the latest filings.