PUMA BIOTECHNOLOGY INC

Ticker: PBYI CUSIP: 74587V107 Class: Common Stock

EMERALD ADVISERS, LLC's Holding History (CIK: 0001015083)

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

Q3 2018

Shares 244,008 Value ($000) $11,188 Avg Close $48.21 Range $40.45 - $60.95

Q2 2018

Shares 365,787 Value ($000) $21,636 Avg Close $57.95 Range $47.00 - $68.90

Q1 2018

Shares 371,840 Value ($000) $25,304 Avg Close $74.88 Range $56.15 - $101.50

Q4 2017

Shares 402,668 Value ($000) $39,804 Avg Close $111.90 Range $92.36 - $136.90

Q3 2017

Shares 370,035 Value ($000) $44,312 Avg Close $93.01 Range $71.14 - $120.85

Q2 2017

Shares 317,680 Value ($000) $27,765 Avg Close $55.94 Range $28.35 - $92.00

Q1 2017

Shares 379,289 Value ($000) $14,110 Avg Close $36.49 Range $28.95 - $45.44

Q1 2015

Shares 31,556 Value ($000) $6,297 Avg Close $213.77 Range $183.50 - $252.92

Q4 2014

Shares 50,721 Value ($000) $9,600 Avg Close $221.87 Range $181.60 - $255.43

Q3 2014

Shares 29,580 Value ($000) $7,057 Avg Close $205.34 Range $57.25 - $279.37

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	244,008	$11,188	$48.21	$40.45 - $60.95
Q2 2018	365,787	$21,636	$57.95	$47.00 - $68.90
Q1 2018	371,840	$25,304	$74.88	$56.15 - $101.50
Q4 2017	402,668	$39,804	$111.90	$92.36 - $136.90
Q3 2017	370,035	$44,312	$93.01	$71.14 - $120.85
Q2 2017	317,680	$27,765	$55.94	$28.35 - $92.00
Q1 2017	379,289	$14,110	$36.49	$28.95 - $45.44
Q1 2015	31,556	$6,297	$213.77	$183.50 - $252.92
Q4 2014	50,721	$9,600	$221.87	$181.60 - $255.43
Q3 2014	29,580	$7,057	$205.34	$57.25 - $279.37