Ralph James Scapa

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
ALTR	$65.32	7,203	$470,478.35	1,266	2021-07-19	Filing
ALTR	$63.99	1,411	$90,288.48	8,469	2021-07-19	Filing
ALTR	$63.34	1,300	$82,343.30	9,880	2021-07-19	Filing
ALTR	$66.37	4,012	$266,260.39	0	2021-07-16	Filing
ALTR	$65.47	2,822	$184,745.05	4,012	2021-07-16	Filing
ALTR	$64.37	6,247	$402,125.64	6,834	2021-07-16	Filing
ALTR	$66.34	4,773	$316,631.27	0	2021-07-16	Filing
ALTR	$65.47	2,844	$186,188.15	4,773	2021-07-16	Filing
ALTR	$64.39	7,377	$474,997.65	7,617	2021-07-16	Filing
ALTR	$67.88	100	$6,788.00	0	2021-07-15	Filing
ALTR	$66.67	2,400	$159,996.00	100	2021-07-15	Filing
ALTR	$65.84	9,677	$637,143.36	2,500	2021-07-15	Filing
ALTR	$67.80	126	$8,542.42	0	2021-07-15	Filing
ALTR	$66.66	2,931	$195,371.67	126	2021-07-15	Filing
ALTR	$65.83	10,769	$708,966.35	3,057	2021-07-15	Filing
ALTR	$63.38	782	$49,564.72	0	2021-06-17	Filing
ALTR	$62.97	9,211	$579,979.83	782	2021-06-17	Filing
ALTR	$63.43	200	$12,685.00	0	2021-06-17	Filing
ALTR	$62.98	9,740	$613,425.20	200	2021-06-17	Filing
ALTR	$64.62	63	$4,071.06	0	2021-06-16	Filing