CONCRETE PUMPING HLDGS INC

Ticker: BBCP CUSIP: 206704108 Class: Common Stock

ACK Asset Management LLC's Holding History (CIK: 0001510940)

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

Q4 2020

Shares 1,530,918 Value ($000) $6,251 Avg Close $3.22 Range $2.78 - $3.67

Q3 2020

Shares 2,454,885 Value ($000) $10,409 Avg Close $3.26 Range $2.50 - $3.98

Q2 2020

Shares 3,132,061 Value ($000) $13,456 Avg Close $2.70 Range $1.61 - $4.86

Q1 2020

Shares 4,289,163 Value ($000) $18,589 Avg Close $4.28 Range $2.14 - $5.41

Q4 2019

Shares 5,141,765 Value ($000) $22,778 Avg Close $3.61 Range $2.80 - $5.21

Q3 2019

Shares 5,165,800 Value ($000) $22,892 Avg Close $3.74 Range $2.84 - $5.08

Q2 2019

Shares 5,165,800 Value ($000) $23,253 Avg Close $5.05 Range $3.22 - $8.89

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	1,530,918	$6,251	$3.22	$2.78 - $3.67
Q3 2020	2,454,885	$10,409	$3.26	$2.50 - $3.98
Q2 2020	3,132,061	$13,456	$2.70	$1.61 - $4.86
Q1 2020	4,289,163	$18,589	$4.28	$2.14 - $5.41
Q4 2019	5,141,765	$22,778	$3.61	$2.80 - $5.21
Q3 2019	5,165,800	$22,892	$3.74	$2.84 - $5.08
Q2 2019	5,165,800	$23,253	$5.05	$3.22 - $8.89