SOUTHPORT MANAGEMENT, L.L.C.

Holdings History for MASTEC INC - Common Stock, Par Value $.10 Per Share (MTZ)

Symbol: MTZ on NYSE
Investment type: Equity / Common Stock, Par Value $.10 Per Share

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Mar 2020		-3.3%	$0	0	-15,300	-100%	$289.96	Q1 2020
31 Dec 2019	3.3%	-1.6%	$981,648	15,300	-7,200	-32%	$64.16	Q4 2019
30 Sep 2019	8.2%	-0.91%	$1,460,925	22,500	-2,500	-10%	$64.93	Q3 2019
30 Jun 2019	8.7%	0%	$1,288,250	25,000	0		$51.53	Q2 2019
31 Mar 2019	5.6%	0%	$1,202,500	25,000	0		$48.10	Q1 2019
31 Dec 2018	5.1%	+3.1%	$1,014,000	25,000	+15,000	+150%	$40.56	Q4 2018
30 Sep 2018	2.8%	-4.8%	$447,000	10,000	-17,000	-63%	$44.70	Q3 2018
30 Jun 2018	6.8%	-1.8%	$1,370,000	27,000	-7,000	-21%	$50.74	Q2 2018
31 Mar 2018	5.6%	+0.25%	$1,600,000	34,000	+1,500	+4.6%	$47.06	Q1 2018
31 Dec 2017	3.9%	+3.9%	$1,591,000	32,500	+32,500	NEW	$48.95	Q4 2017

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.