PUMA BIOTECHNOLOGY INC

Ticker: PBYI CUSIP: 74587V107 Class: Common Stock

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 9,233 Value ($000) $55 Avg Close $5.31 Range $4.58 - $6.27

Q3 2024

Shares 4,695 Value ($000) $12 Avg Close $3.03 Range $2.23 - $4.13

Q1 2024

Shares 1,495 Value ($000) $8 Avg Close $5.38 Range $4.12 - $7.73

Q1 2023

Shares 3,733 Value ($000) $12 Avg Close $3.77 Range $2.13 - $4.89

Q4 2021

Shares 4,789 Value ($000) $15 Avg Close $4.34 Range $2.78 - $7.11

Q3 2021

Shares 475 Value ($000) $3 Avg Close $7.49 Range $6.48 - $9.48

Q2 2021

Shares 631 Value ($000) $6 Avg Close $10.13 Range $8.74 - $11.95

Q1 2021

Shares 1,100 Value ($000) $11 Avg Close $11.17 Range $9.19 - $14.14

Q4 2020

Shares 29,896 Value ($000) $307 Avg Close $10.13 Range $7.48 - $13.16

Q3 2020

Shares 34,772 Value ($000) $351 Avg Close $10.18 Range $9.04 - $12.90

Q2 2020

Shares 22,858 Value ($000) $238 Avg Close $10.35 Range $6.81 - $13.78

Q1 2020

Shares 64,825 Value ($000) $547 Avg Close $9.72 Range $5.50 - $15.00

Q4 2019

Shares 78,432 Value ($000) $686 Avg Close $8.28 Range $6.26 - $11.10

Q4 2018

Shares 2,754 Value ($000) $56 Avg Close $30.01 Range $17.60 - $47.14

Q3 2018

Shares 26,674 Value ($000) $1,223 Avg Close $48.21 Range $40.45 - $60.95

Q2 2018

Shares 29,993 Value ($000) $1,774 Avg Close $57.95 Range $47.00 - $68.90

Q1 2018

Shares 43,705 Value ($000) $2,974 Avg Close $74.88 Range $56.15 - $101.50

Q4 2017

Shares 37,012 Value ($000) $3,659 Avg Close $111.90 Range $92.36 - $136.90

Q2 2017

Shares 50,263 Value ($000) $4,393 Avg Close $55.94 Range $28.35 - $92.00

Q1 2017

Shares 38,771 Value ($000) $1,442 Avg Close $36.49 Range $28.95 - $45.44

Q4 2016

Shares 28,729 Value ($000) $882 Avg Close $43.24 Range $29.85 - $68.05

Q2 2016

Shares 2,646 Value ($000) $79 Avg Close $31.26 Range $19.74 - $39.67

Q1 2016

Shares 7,907 Value ($000) $232 Avg Close $45.19 Range $25.20 - $77.99

Q4 2015

Shares 3,598 Value ($000) $282 Avg Close $78.49 Range $56.11 - $94.93

Q3 2015

Shares 29,039 Value ($000) $2,188 Avg Close $94.57 Range $70.39 - $119.36

Q2 2015

Shares 18,612 Value ($000) $2,173 Avg Close $181.09 Range $112.32 - $244.90

Q3 2014

Shares 6,045 Value ($000) $1,442 Avg Close $205.34 Range $57.25 - $279.37

Q2 2014

Shares 15,601 Value ($000) $1,030 Avg Close $71.11 Range $53.63 - $118.22

Q1 2014

Shares 7,545 Value ($000) $786 Avg Close $117.54 Range $97.31 - $143.65

Q3 2013

Shares 250 Value ($000) $13 Avg Close $53.90 Range $44.39 - $62.66

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	9,233	$55	$5.31	$4.58 - $6.27
Q3 2024	4,695	$12	$3.03	$2.23 - $4.13
Q1 2024	1,495	$8	$5.38	$4.12 - $7.73
Q1 2023	3,733	$12	$3.77	$2.13 - $4.89
Q4 2021	4,789	$15	$4.34	$2.78 - $7.11
Q3 2021	475	$3	$7.49	$6.48 - $9.48
Q2 2021	631	$6	$10.13	$8.74 - $11.95
Q1 2021	1,100	$11	$11.17	$9.19 - $14.14
Q4 2020	29,896	$307	$10.13	$7.48 - $13.16
Q3 2020	34,772	$351	$10.18	$9.04 - $12.90
Q2 2020	22,858	$238	$10.35	$6.81 - $13.78
Q1 2020	64,825	$547	$9.72	$5.50 - $15.00
Q4 2019	78,432	$686	$8.28	$6.26 - $11.10
Q4 2018	2,754	$56	$30.01	$17.60 - $47.14
Q3 2018	26,674	$1,223	$48.21	$40.45 - $60.95
Q2 2018	29,993	$1,774	$57.95	$47.00 - $68.90
Q1 2018	43,705	$2,974	$74.88	$56.15 - $101.50
Q4 2017	37,012	$3,659	$111.90	$92.36 - $136.90
Q2 2017	50,263	$4,393	$55.94	$28.35 - $92.00
Q1 2017	38,771	$1,442	$36.49	$28.95 - $45.44
Q4 2016	28,729	$882	$43.24	$29.85 - $68.05
Q2 2016	2,646	$79	$31.26	$19.74 - $39.67
Q1 2016	7,907	$232	$45.19	$25.20 - $77.99
Q4 2015	3,598	$282	$78.49	$56.11 - $94.93
Q3 2015	29,039	$2,188	$94.57	$70.39 - $119.36
Q2 2015	18,612	$2,173	$181.09	$112.32 - $244.90
Q3 2014	6,045	$1,442	$205.34	$57.25 - $279.37
Q2 2014	15,601	$1,030	$71.11	$53.63 - $118.22
Q1 2014	7,545	$786	$117.54	$97.31 - $143.65
Q3 2013	250	$13	$53.90	$44.39 - $62.66