H Thomas Witmer

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
MSA	$78.42	2,583	$202,552.40	24,981	2017-05-04	Filing
MSA	$70.27	1,951	$137,105.94	24,981	2017-03-08	Filing
MSA	$45.41	1,490	$67,657.92	22,887	2016-03-09	Filing
MSA	$55.72	885	$49,311.49	20,692	2014-09-04	Filing