ARCOSA INC

Ticker: ACA CUSIP: 039653100 Class: Common Stock

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

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

Q4 2020

Shares 234,532 Value ($000) $12,883 Avg Close $50.24 Range $42.43 - $56.38

Q3 2020

Shares 232,892 Value ($000) $10,268 Avg Close $43.23 Range $36.59 - $47.84

Q2 2020

Shares 240,050 Value ($000) $10,130 Avg Close $37.79 Range $30.48 - $45.06

Q1 2020

Shares 239,500 Value ($000) $9,518 Avg Close $41.47 Range $27.61 - $46.95

Q4 2019

Shares 239,921 Value ($000) $10,688 Avg Close $37.69 Range $31.78 - $45.41

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	234,532	$12,883	$50.24	$42.43 - $56.38
Q3 2020	232,892	$10,268	$43.23	$36.59 - $47.84
Q2 2020	240,050	$10,130	$37.79	$30.48 - $45.06
Q1 2020	239,500	$9,518	$41.47	$27.61 - $46.95
Q4 2019	239,921	$10,688	$37.69	$31.78 - $45.41