ARMSTRONG WORLD INDS INC NEW

Ticker: AWI CUSIP: 04247X102 Class: EQTY

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

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

Q2 2020

Shares 2,050 Value ($000) $160 Avg Close $71.55 Range $61.02 - $82.61

Q4 2019

Shares 4,295 Value ($000) $404 Avg Close $89.76 Range $84.26 - $97.29

Q3 2019

Shares 4,295 Value ($000) $415 Avg Close $90.34 Range $85.56 - $97.90

Q2 2019

Shares 4,295 Value ($000) $417 Avg Close $83.72 Range $74.58 - $93.00

Q1 2019

Shares 4,295 Value ($000) $341 Avg Close $65.06 Range $53.52 - $74.36

Q4 2018

Shares 4,295 Value ($000) $250 Avg Close $59.47 Range $50.69 - $66.52

Q3 2018

Shares 4,295 Value ($000) $299 Avg Close $64.18 Range $57.82 - $68.33

Q2 2018

Shares 4,295 Value ($000) $271 Avg Close $55.42 Range $50.66 - $60.47

Q1 2018

Shares 4,295 Value ($000) $242 Avg Close $56.41 Range $51.77 - $60.10

Q4 2017

Shares 4,295 Value ($000) $260 Avg Close $51.25 Range $45.82 - $57.22

Q3 2017

Shares 4,295 Value ($000) $220 Avg Close $43.80 Range $40.72 - $48.36

Q3 2016

Shares 164,965 Value ($000) $6,816 Avg Close $38.95 Range $34.88 - $42.56

Q2 2016

Shares 167,005 Value ($000) $6,538 Avg Close $38.14 Range $33.80 - $45.02

Q1 2016

Shares 168,680 Value ($000) $8,159 Avg Close $38.17 Range $33.42 - $45.27

Q4 2015

Shares 168,680 Value ($000) $7,714 Avg Close $45.23 Range $41.33 - $48.68

Q3 2015

Shares 168,680 Value ($000) $8,053 Avg Close $51.16 Range $43.23 - $56.47

Q2 2015

Shares 168,680 Value ($000) $8,987 Avg Close $51.87 Range $49.25 - $54.85

Q1 2015

Shares 175,530 Value ($000) $10,118 Avg Close $49.83 Range $45.21 - $54.35

Q4 2014

Shares 182,705 Value ($000) $9,340 Avg Close $46.09 Range $40.93 - $52.13

Q3 2014

Shares 194,495 Value ($000) $10,892 Avg Close $51.87 Range $44.98 - $55.73

Q2 2014

Shares 194,495 Value ($000) $11,170 Avg Close $50.40 Range $47.43 - $53.96

Q1 2014

Shares 181,535 Value ($000) $9,667 Avg Close $52.98 Range $47.74 - $57.59

Q4 2013

Shares 181,195 Value ($000) $10,439 Avg Close $49.89 Range $46.10 - $53.80

Q3 2013

Shares 181,195 Value ($000) $9,958 Avg Close $47.06 Range $42.62 - $53.16

Q2 2013

Shares 178,965 Value ($000) $8,553 Avg Close $47.68 Range $41.80 - $52.04

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	2,050	$160	$71.55	$61.02 - $82.61
Q4 2019	4,295	$404	$89.76	$84.26 - $97.29
Q3 2019	4,295	$415	$90.34	$85.56 - $97.90
Q2 2019	4,295	$417	$83.72	$74.58 - $93.00
Q1 2019	4,295	$341	$65.06	$53.52 - $74.36
Q4 2018	4,295	$250	$59.47	$50.69 - $66.52
Q3 2018	4,295	$299	$64.18	$57.82 - $68.33
Q2 2018	4,295	$271	$55.42	$50.66 - $60.47
Q1 2018	4,295	$242	$56.41	$51.77 - $60.10
Q4 2017	4,295	$260	$51.25	$45.82 - $57.22
Q3 2017	4,295	$220	$43.80	$40.72 - $48.36
Q3 2016	164,965	$6,816	$38.95	$34.88 - $42.56
Q2 2016	167,005	$6,538	$38.14	$33.80 - $45.02
Q1 2016	168,680	$8,159	$38.17	$33.42 - $45.27
Q4 2015	168,680	$7,714	$45.23	$41.33 - $48.68
Q3 2015	168,680	$8,053	$51.16	$43.23 - $56.47
Q2 2015	168,680	$8,987	$51.87	$49.25 - $54.85
Q1 2015	175,530	$10,118	$49.83	$45.21 - $54.35
Q4 2014	182,705	$9,340	$46.09	$40.93 - $52.13
Q3 2014	194,495	$10,892	$51.87	$44.98 - $55.73
Q2 2014	194,495	$11,170	$50.40	$47.43 - $53.96
Q1 2014	181,535	$9,667	$52.98	$47.74 - $57.59
Q4 2013	181,195	$10,439	$49.89	$46.10 - $53.80
Q3 2013	181,195	$9,958	$47.06	$42.62 - $53.16
Q2 2013	178,965	$8,553	$47.68	$41.80 - $52.04