M William Lambert

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
MSA	$79.08	27,086	$2,141,828.16	172,442	2017-05-05	Filing
MSA	$79.00	3,977	$314,183.00	165,757	2017-05-04	Filing
MSA	$78.36	5,998	$469,991.88	165,757	2017-05-03	Filing
MSA	$79.02	1,800	$142,228.08	171,755	2017-05-03	Filing
MSA	$78.89	34,002	$2,682,434.78	165,757	2017-05-02	Filing
MSA	$79.01	4,794	$378,759.56	199,759	2017-05-02	Filing
MSA	$79.27	8,829	$699,872.18	165,757	2017-04-28	Filing
MSA	$80.43	600	$48,258.96	174,586	2017-04-28	Filing
MSA	$69.50	532	$36,975.60	164,248	2017-03-10	Filing
MSA	$71.01	500	$35,505.50	251,111	2017-03-08	Filing
MSA	$71.34	8,072	$575,856.48	251,611	2017-03-07	Filing
MSA	$72.14	3,810	$274,853.40	259,683	2017-03-07	Filing
MSA	$72.47	47,533	$3,444,635.70	162,075	2017-03-06	Filing
MSA	$55.01	18,600	$1,023,254.82	146,100	2016-08-03	Filing
MSA	$55.50	600	$33,302.46	162,206	2016-08-02	Filing
MSA	$44.51	15,844	$705,167.32	140,564	2015-11-18	Filing
MSA	$56.29	13,088	$736,701.27	142,067	2014-09-03	Filing
MSA	$57.03	3,300	$188,184.15	155,155	2014-09-03	Filing
MSA	$39.49	22,970	$907,177.18	135,922	2012-06-05	Filing
MSA	$39.62	2,593	$102,741.66	158,892	2012-06-04	Filing