ARCOSA INC

Ticker: ACA CUSIP: 039653100 Class: Common Stock

FIRST MANHATTAN CO. LLC.'s Holding History (CIK: 0000728083)

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

Q4 2025

Shares 2,435 Value ($000) $259 Avg Close $100.90 Range $88.94 - $113.20

Q4 2022

Shares 100 Value ($000) $5 Avg Close $58.90 Range $52.90 - $64.94

Q1 2021

Shares 649 Value ($000) $42 Avg Close $60.52 Range $52.78 - $67.47

Q4 2020

Shares 649 Value ($000) $35 Avg Close $50.24 Range $42.43 - $56.38

Q3 2020

Shares 649 Value ($000) $28 Avg Close $43.23 Range $36.59 - $47.84

Q2 2020

Shares 649 Value ($000) $27 Avg Close $37.79 Range $30.48 - $45.06

Q1 2020

Shares 649 Value ($000) $25 Avg Close $41.47 Range $27.61 - $46.95

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,435	$259	$100.90	$88.94 - $113.20
Q4 2022	100	$5	$58.90	$52.90 - $64.94
Q1 2021	649	$42	$60.52	$52.78 - $67.47
Q4 2020	649	$35	$50.24	$42.43 - $56.38
Q3 2020	649	$28	$43.23	$36.59 - $47.84
Q2 2020	649	$27	$37.79	$30.48 - $45.06
Q1 2020	649	$25	$41.47	$27.61 - $46.95