M William Lambert

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
MSA	$120.38	52,163	$6,279,507.13	34,577	2019-10-30	Filing
MSA	$103.62	19,192	$1,988,711.50	33,342	2019-03-13	Filing
MSA	$102.77	4,200	$431,638.20	52,534	2019-03-13	Filing
MSA	$104.02	1,200	$124,826.04	56,734	2019-03-13	Filing
MSA	$105.97	10,137	$1,074,174.30	42,147	2018-11-28	Filing
MSA	$106.49	9,863	$1,050,329.61	52,284	2018-11-26	Filing
MSA	$94.86	13,536	$1,283,995.18	68,647	2018-06-19	Filing
MSA	$95.10	28,382	$2,699,091.30	82,183	2018-06-18	Filing
MSA	$93.91	4,700	$441,367.13	110,565	2018-06-18	Filing
MSA	$94.66	33,656	$3,186,018.32	115,265	2018-06-15	Filing
MSA	$95.12	29,726	$2,827,418.22	148,921	2018-06-15	Filing
MSA	$80.31	23,495	$1,886,796.52	163,537	2017-11-27	Filing
MSA	$79.99	7,703	$616,134.47	163,537	2017-11-24	Filing
MSA	$80.09	931	$74,567.23	163,537	2017-11-22	Filing
MSA	$80.00	15,847	$1,267,767.92	163,537	2017-11-21	Filing
MSA	$79.80	13,951	$1,113,316.31	163,537	2017-11-20	Filing
MSA	$79.44	13,942	$1,107,595.70	163,537	2017-11-16	Filing
MSA	$80.00	4,002	$320,170.81	177,479	2017-11-16	Filing
MSA	$79.46	6,058	$481,352.93	163,537	2017-11-06	Filing
MSA	$80.00	1,200	$96,002.40	163,537	2017-11-03	Filing