Ralph James Scapa

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
ALTR	$63.85	5,014	$320,163.96	63	2021-06-16	Filing
ALTR	$63.15	7,050	$445,172.25	5,077	2021-06-16	Filing
ALTR	$64.64	200	$12,928.00	0	2021-06-16	Filing
ALTR	$63.82	7,693	$490,998.03	200	2021-06-16	Filing
ALTR	$63.13	10,338	$652,679.29	7,893	2021-06-16	Filing
ALTR	$66.58	100	$6,658.00	0	2021-06-15	Filing
ALTR	$65.63	2,272	$149,115.90	100	2021-06-15	Filing
ALTR	$64.67	5,508	$356,174.82	2,372	2021-06-15	Filing
ALTR	$66.54	196	$13,042.04	0	2021-06-15	Filing
ALTR	$65.60	3,418	$224,224.22	196	2021-06-15	Filing
ALTR	$64.66	8,215	$531,206.55	3,614	2021-06-15	Filing
ALTR	$61.87	994	$61,501.76	0	2021-05-19	Filing
ALTR	$60.76	5,136	$312,047.95	994	2021-05-19	Filing
ALTR	$62.38	600	$37,430.40	0	2021-05-19	Filing
ALTR	$61.97	4,156	$257,555.63	600	2021-05-19	Filing
ALTR	$60.82	8,224	$500,183.68	4,756	2021-05-19	Filing
ALTR	$65.65	2,786	$182,898.11	0	2021-05-18	Filing
ALTR	$64.76	6,179	$400,164.40	2,786	2021-05-18	Filing
ALTR	$63.67	6,480	$412,588.08	8,965	2021-05-18	Filing
ALTR	$65.61	3,681	$241,503.05	0	2021-05-18	Filing