MASTEC INC

Ticker: MTZ CUSIP: 576323109 Class: COM

WINMILL & CO. INC's Holding History (CIK: 0000052234)

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

Q4 2021

Shares 45,500 Value ($000) $4,199 Avg Close $91.39 Range $83.90 - $104.21

Q3 2021

Shares 45,500 Value ($000) $3,926 Avg Close $94.87 Range $85.11 - $107.25

Q2 2021

Shares 45,500 Value ($000) $4,828 Avg Close $108.58 Range $93.16 - $122.33

Q1 2021

Shares 45,500 Value ($000) $4,263 Avg Close $85.57 Range $67.05 - $99.38

Q4 2020

Shares 45,500 Value ($000) $3,102 Avg Close $56.09 Range $40.18 - $71.11

Q3 2020

Shares 45,500 Value ($000) $1,920 Avg Close $42.99 Range $36.81 - $49.86

Q2 2020

Shares 45,500 Value ($000) $2,042 Avg Close $37.90 Range $28.39 - $48.32

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	45,500	$4,199	$91.39	$83.90 - $104.21
Q3 2021	45,500	$3,926	$94.87	$85.11 - $107.25
Q2 2021	45,500	$4,828	$108.58	$93.16 - $122.33
Q1 2021	45,500	$4,263	$85.57	$67.05 - $99.38
Q4 2020	45,500	$3,102	$56.09	$40.18 - $71.11
Q3 2020	45,500	$1,920	$42.99	$36.81 - $49.86
Q2 2020	45,500	$2,042	$37.90	$28.39 - $48.32