Sheffield Asset 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

Holdings date	Option	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
30 Jun 2018	put		-100%	$0	0	-100,000	-100%	$289.96	Q2 2018
31 Mar 2018	put	100%	0%	$4,705,000	100,000	0		$47.05	Q1 2018
31 Dec 2017	put	100%	+100%	$4,895,000	100,000	+100,000	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.