Puma Biotechnology, Inc. PBYI US Equity

Health Care · CIK 1401667 · FY ends Dec 31

$9.06

-0.18 (-1.95%)

USD · as of 2026-08-28 · marketstack

Puma Biotechnology, Inc. (Nasdaq: PBYI), an SEC filer in Pharmaceutical Preparations, closed at $9.06, -1.9%, on 2026-08-28, with a market cap of $468M, a trailing P/E of 14.9, a return on equity of 28.0%, a net margin of 13.6% and 3-year sales growth of 0.0%. Institutional ownership, earnings history, filed financials and clinical trials are on the tabs below.

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Institutional holders Index & fund register Insiders (Form 4)Government

Insider activity· execs, directors & 10%-owners · PBYI

Open-market buys · 12mo

0 · $0

Open-market sells · 12mo

12 · $991,800

Net · 12mo

−$991,800 · −100%

Signal = open-market buys/sells (P/S); grants, exercises, tax, gifts are mechanics. Filings through 2026-06-30 only.

Date	Insider	Role	Transaction	Shares	Price	Value
2026-06-12	Dorval Allison	Director	−Sell	11,610	$7.20	$83,592
2026-06-12	MOYES JAY M	Director	−Sell	22,000	$7.22	$158,840
2026-06-12	Senderowicz Adrian	Director	−Sell	27,000	$7.20	$194,400
2026-06-12	Stuglik Brian M	Director	−Sell	8,100	$7.20	$58,320
2026-06-12	WILSON TROY EDWARD	Director	−Sell	10,800	$7.20	$77,760
2026-06-11	Cesano Alessandra	Director	+Grant	27,000	—	—
2026-06-11	Dorval Allison	Director	+Grant	27,000	—	—
2026-06-11	MOYES JAY M	Director	+Grant	27,000	—	—
2026-06-11	MILLER MICHAEL PATRICK	Director	+Grant	27,000	—	—
2026-06-11	Senderowicz Adrian	Director	+Grant	27,000	—	—
2026-06-11	Stuglik Brian M	Director	+Grant	27,000	—	—
2026-06-11	WILSON TROY EDWARD	Director	+Grant	27,000	—	—
2026-02-18	NOUGUES MAXIMO F	Officer	+Grant	46,739	—	—
2026-02-18	HUNT DOUGLAS M	Officer	+Grant	49,394	—	—
2026-02-18	AUERBACH ALAN H	Director,Officer,TenPercentOwner	+Grant	159,778	—	—
2026-01-07	NOUGUES MAXIMO F	Officer	−Sell	6,405	$5.88	$37,661
2026-01-07	HUNT DOUGLAS M	Officer	−Sell	5,014	$5.88	$29,482
2026-01-07	AUERBACH ALAN H	Director,Officer,TenPercentOwner	−Sell	18,012	$5.88	$105,911
2026-01-06	NOUGUES MAXIMO F	Officer	−Sell	4,540	$5.84	$26,514
2026-01-06	HUNT DOUGLAS M	Officer	−Sell	3,973	$5.84	$23,202
2026-01-06	AUERBACH ALAN H	Director,Officer,TenPercentOwner	−Sell	16,938	$5.84	$98,918
2025-11-11	MILLER MICHAEL PATRICK	Director	−Sell	20,000	$4.86	$97,200
2025-07-18	Cesano Alessandra	Director	−Sell	27,000	$3.37	$90,990
2025-07-09	AUERBACH ALAN H	Director,Officer,TenPercentOwner	−Sell	21,580	$3.54	$76,393
2025-07-09	HUNT DOUGLAS M	Officer	−Sell	3,443	$3.54	$12,188
2025-07-09	NOUGUES MAXIMO F	Officer	−Sell	3,935	$3.54	$13,930
2025-07-08	AUERBACH ALAN H	Director,Officer,TenPercentOwner	−Sell	25,592	$3.53	$90,340
2025-07-08	HUNT DOUGLAS M	Officer	−Sell	4,374	$3.53	$15,440
2025-07-08	NOUGUES MAXIMO F	Officer	−Sell	5,587	$3.53	$19,722
2025-06-13	Cesano Alessandra	Director	−Sell	12,150	$3.40	$41,310
2025-06-13	Dorval Allison	Director	−Sell	11,610	$3.40	$39,474
2025-06-13	MOYES JAY M	Director	−Sell	22,000	$3.40	$74,800
2025-06-13	Senderowicz Adrian	Director	−Sell	27,000	$3.40	$91,800
2025-06-13	Stuglik Brian M	Director	−Sell	8,100	$3.39	$27,459
2025-06-13	WILSON TROY EDWARD	Director	−Sell	10,800	$3.40	$36,720
2025-06-11	Cesano Alessandra	Director	+Grant	27,000	—	—
2025-06-11	WILSON TROY EDWARD	Director	+Grant	27,000	—	—
2025-06-11	Stuglik Brian M	Director	+Grant	27,000	—	—
2025-06-11	Dorval Allison	Director	+Grant	27,000	—	—
2025-06-11	MOYES JAY M	Director	+Grant	27,000	—	—
2025-06-11	Senderowicz Adrian	Director	+Grant	27,000	—	—
2025-06-11	MILLER MICHAEL PATRICK	Director	+Grant	27,000	—	—
2025-02-07	AUERBACH ALAN H	Director,Officer,TenPercentOwner	+Grant	198,399	—	—
2025-02-07	HUNT DOUGLAS M	Officer	+Grant	48,117	—	—
2025-02-07	Ludwig Jeffrey Jerome	Officer	+Grant	47,841	—	—
2025-02-07	NOUGUES MAXIMO F	Officer	+Grant	61,456	—	—
2025-01-02	AUERBACH ALAN H	Director,Officer,TenPercentOwner	−Sell	33,841	$3.15	$106,599
2025-01-02	HUNT DOUGLAS M	Officer	−Sell	8,633	$3.15	$27,194
2025-01-02	Ludwig Jeffrey Jerome	Officer	−Sell	9,437	$3.15	$29,727
2025-01-02	NOUGUES MAXIMO F	Officer	−Sell	10,227	$3.15	$32,215
2024-08-12	MILLER MICHAEL PATRICK	Director	−Sell	23,358	$3.49	$81,519
2024-07-17	AUERBACH ALAN H	Director,Officer,TenPercentOwner	−Sell	21,920	$3.70	$81,104
2024-07-17	HUNT DOUGLAS M	Officer	−Sell	3,637	$3.70	$13,457
2024-07-17	Ludwig Jeffrey Jerome	Officer	−Sell	2,598	$3.70	$9,613
2024-07-17	NOUGUES MAXIMO F	Officer	−Sell	4,156	$3.70	$15,377
2024-07-02	AUERBACH ALAN H	Director,Officer,TenPercentOwner	−Sell	18,885	$3.27	$61,754
2024-07-02	HUNT DOUGLAS M	Officer	−Sell	4,349	$3.27	$14,221
2024-07-02	Ludwig Jeffrey Jerome	Officer	−Sell	6,051	$3.27	$19,787
2024-07-02	NOUGUES MAXIMO F	Officer	−Sell	5,295	$3.27	$17,315
2024-06-18	Cesano Alessandra	Director	+Grant	27,000	—	—
2024-06-18	Dorval Allison	Director	+Grant	27,000	—	—
2024-06-18	MOYES JAY M	Director	+Grant	27,000	—	—
2024-06-18	MILLER MICHAEL PATRICK	Director	+Grant	27,000	—	—
2024-06-18	Senderowicz Adrian	Director	+Grant	27,000	—	—
2024-06-18	Stuglik Brian M	Director	+Grant	27,000	—	—
2024-06-18	WILSON TROY EDWARD	Director	+Grant	27,000	—	—
2024-06-13	Dorval Allison	Director	−Sell	11,000	$3.37	$37,070
2024-06-13	MOYES JAY M	Director	−Sell	22,000	$3.34	$73,480
2024-06-13	Senderowicz Adrian	Director	−Sell	27,000	$3.33	$89,910
2024-06-13	Stuglik Brian M	Director	−Sell	9,900	$3.39	$33,561
2024-06-13	WILSON TROY EDWARD	Director	−Sell	27,000	$3.33	$89,910
2024-03-15	AUERBACH ALAN H	Director,Officer,TenPercentOwner	+Grant	6,577	—	—
2024-02-12	HUNT DOUGLAS M	Officer	+Grant	37,894	—	—
2024-02-12	AUERBACH ALAN H	Director,Officer,TenPercentOwner	+Grant	160,796	—	—
2024-02-12	Ludwig Jeffrey Jerome	Officer	+Grant	27,067	—	—
2024-02-12	NOUGUES MAXIMO F	Officer	+Grant	43,307	—	—
2024-02-12	Wong Alvin F	Officer	+Grant	43,307	—	—
2024-01-03	HUNT DOUGLAS M	Officer	−Sell	8,358	$4.49	$37,527
2024-01-03	NOUGUES MAXIMO F	Officer	−Sell	15,682	$4.49	$70,412
2024-01-03	AUERBACH ALAN H	Director,Officer,TenPercentOwner	−Sell	41,396	$4.49	$185,868
2024-01-03	Ludwig Jeffrey Jerome	Officer	−Sell	12,956	$4.49	$58,172
2024-01-03	Wong Alvin F	Officer	−Sell	7,733	$4.49	$34,721
2023-12-04	Wong Alvin F	Officer	−Sell	280	$3.76	$1,053
2023-11-07	MILLER MICHAEL PATRICK	Director	−Sell	25,000	$2.83	$70,750
2023-07-03	AUERBACH ALAN H	Director,Officer,TenPercentOwner	−Sell	60,698	$3.31	$200,910
2023-07-03	HUNT DOUGLAS M	Officer	−Sell	7,809	$3.31	$25,848
2023-07-03	Ludwig Jeffrey Jerome	Officer	−Sell	12,103	$3.31	$40,061
2023-07-03	NOUGUES MAXIMO F	Officer	−Sell	14,680	$3.31	$48,591
2023-07-03	Wong Alvin F	Officer	−Sell	6,938	$3.31	$22,965
2023-06-13	Cesano Alessandra	Director	+Grant	27,000	—	—
2023-06-13	MILLER MICHAEL PATRICK	Director	+Grant	27,000	—	—
2023-06-13	MILLER MICHAEL PATRICK	Director	−Sell	13,500	$3.45	$46,575
2023-06-13	Dorval Allison	Director	+Grant	27,000	—	—
2023-06-13	Dorval Allison	Director	−Sell	10,000	$3.45	$34,500
2023-06-13	Senderowicz Adrian	Director	−Sell	27,000	$3.45	$93,150
2023-06-13	Senderowicz Adrian	Director	+Grant	27,000	—	—
2023-06-13	Stuglik Brian M	Director	+Grant	27,000	—	—
2023-06-13	Stuglik Brian M	Director	−Sell	9,900	$3.46	$34,254
2023-06-13	MOYES JAY M	Director	+Grant	27,000	—	—
2023-06-13	MOYES JAY M	Director	−Sell	22,000	$3.45	$75,900
2023-06-13	WILSON TROY EDWARD	Director	−Sell	27,000	$3.45	$93,150
2023-06-13	WILSON TROY EDWARD	Director	+Grant	27,000	—	—
2023-06-02	Wong Alvin F	Officer	−Sell	269	$3.45	$928
2023-02-10	AUERBACH ALAN H	Director,Officer,TenPercentOwner	+Grant	186,403	—	—
2023-02-10	HUNT DOUGLAS M	Officer	+Grant	48,136	—	—
2023-02-10	Ludwig Jeffrey Jerome	Officer	+Grant	66,972	—	—
2023-02-10	NOUGUES MAXIMO F	Officer	+Grant	58,601	—	—
2023-02-10	Wong Alvin F	Officer	+Grant	58,601	—	—
2023-01-03	AUERBACH ALAN H	Director,Officer,TenPercentOwner	−Sell	27,241	$4.18	$113,867
2023-01-03	HUNT DOUGLAS M	Officer	−Sell	4,225	$4.18	$17,661
2023-01-03	Ludwig Jeffrey Jerome	Officer	−Sell	6,568	$4.18	$27,454
2023-01-03	NOUGUES MAXIMO F	Officer	−Sell	10,499	$4.18	$43,886
2023-01-03	Wong Alvin F	Officer	−Sell	3,460	$4.18	$14,463
2022-12-12	AUERBACH ALAN H	Director,Officer,TenPercentOwner	+Grant	568,181	$4.40	$2M
2022-12-02	Wong Alvin F	Officer	−Sell	514	$4.50	$2,313
2022-12-02	NOUGUES MAXIMO F	Officer	−Sell	159	$4.50	$716
2022-12-02	HUNT DOUGLAS M	Officer	−Sell	429	$4.50	$1,931
2022-12-02	AUERBACH ALAN H	Director,Officer,TenPercentOwner	−Sell	1,251	$4.50	$5,630
2022-11-02	NOUGUES MAXIMO F	Officer	−Sell	163	$2.25	$367
2022-11-02	AUERBACH ALAN H	Director,Officer,TenPercentOwner	−Sell	1,242	$2.25	$2,795

SEC Form 3/4/5 through 2026-06-30 · P buy · S sell · A grant · M/X/C exercise · F tax · G gift.

A model's estimate — for research. See the Disclaimer.

Puma Biotechnology, Inc. PBYI US Equity☆

Insider activity· execs, directors & 10%-owners · PBYI

Insider activity· execs, directors & 10%-owners · PBYI

Puma Biotechnology, Inc. PBYI US Equity