Jrs Investments Llc

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
ALTR	$73.07	5,822	$425,401.90	4,346	2021-10-15	Filing
ALTR	$76.11	100	$7,611.00	0	2021-09-17	Filing
ALTR	$75.23	2,600	$195,608.40	100	2021-09-17	Filing
ALTR	$74.55	11,871	$885,018.66	2,700	2021-09-17	Filing
ALTR	$75.68	100	$7,568.00	0	2021-09-16	Filing
ALTR	$75.10	7,765	$583,143.74	100	2021-09-16	Filing
ALTR	$75.52	6,164	$465,511.44	0	2021-09-15	Filing
ALTR	$74.96	1,400	$104,938.40	6,164	2021-09-15	Filing
ALTR	$70.95	9,721	$689,666.07	0	2021-08-18	Filing
ALTR	$71.12	5,659	$402,445.44	0	2021-08-17	Filing
ALTR	$72.24	12,109	$874,766.27	0	2021-08-16	Filing
ALTR	$71.51	2,511	$179,554.08	12,109	2021-08-16	Filing
ALTR	$65.90	442	$29,128.24	0	2021-07-19	Filing
ALTR	$65.33	3,100	$202,519.90	442	2021-07-19	Filing
ALTR	$64.04	500	$32,018.50	3,542	2021-07-19	Filing
ALTR	$63.33	700	$44,331.70	4,042	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	$67.88	100	$6,788.00	0	2021-07-15	Filing