PBYI

Puma Biotechnology, Inc.

Company with tickers: PBYI

CIK

1401667

CUSIP

74587V107

Shares Outstanding

50,899,456

13F Activity (30d)

125 filings 120 filers

Short Volume (Last 90 Days)

Date	Short Volume	Short Exempt	Total Volume	Short %
2026-06-01	43,691	0	80,130	54.5%
2026-05-29	29,112	373	67,019	43.4%
2026-05-28	22,663	5	47,354	47.9%
2026-05-27	25,287	0	45,529	55.5%
2026-05-26	41,243	1,200	68,318	60.4%
2026-05-22	42,044	2,200	58,364	72.0%
2026-05-21	22,734	212	32,614	69.7%
2026-05-20	19,995	0	61,363	32.6%
2026-05-19	28,382	184	62,069	45.7%
2026-05-18	42,863	2	71,295	60.1%
2026-05-15	40,868	7	52,892	77.3%
2026-05-14	70,021	0	95,495	73.3%
2026-05-13	45,738	0	73,199	62.5%
2026-05-12	66,641	147	114,704	58.1%
2026-05-11	63,923	854	129,827	49.2%
2026-05-08	116,157	0	216,559	53.6%
2026-05-07	65,258	0	93,789	69.6%
2026-05-06	52,022	0	146,553	35.5%
2026-05-05	50,450	0	140,990	35.8%
2026-05-04	51,212	5	139,832	36.6%
2026-05-01	29,931	0	48,520	61.7%
2026-04-30	36,173	0	61,887	58.5%
2026-04-29	39,306	2	78,274	50.2%
2026-04-28	43,933	0	65,671	66.9%
2026-04-27	29,335	0	48,104	61.0%
2026-04-24	29,962	0	60,105	49.8%
2026-04-23	45,720	0	81,407	56.2%
2026-04-22	39,842	383	85,677	46.5%
2026-04-21	39,028	0	54,447	71.7%
2026-04-20	52,457	267	98,053	53.5%
2026-04-17	40,278	0	108,123	37.3%
2026-04-16	48,462	0	136,349	35.5%
2026-04-15	49,022	0	113,349	43.2%
2026-04-14	53,118	0	136,568	38.9%
2026-04-13	52,017	1,207	96,835	53.7%
2026-04-10	101,820	0	143,964	70.7%
2026-04-09	76,145	0	112,501	67.7%
2026-04-08	98,646	163	182,879	53.9%
2026-04-07	62,180	0	78,548	79.2%
2026-04-06	89,993	0	111,903	80.4%