D. Kevin Bunker

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
ZNTL	$47.76	1,506	$71,930.48	1,008,788	2021-07-07	Filing
ZNTL	$47.28	1,842	$87,089.94	1,010,294	2021-07-07	Filing
ZNTL	$46.08	1,166	$53,727.41	1,012,136	2021-07-07	Filing
ZNTL	$48.83	96	$4,688.07	1,013,302	2021-07-06	Filing
ZNTL	$47.17	1,349	$63,628.01	1,013,398	2021-07-06	Filing
ZNTL	$46.78	4,906	$229,515.44	1,014,747	2021-07-06	Filing
ZNTL	$54.86	849	$46,574.44	33,680	2021-06-01	Filing
ZNTL	$54.00	7,571	$408,867.31	34,529	2021-06-01	Filing
ZNTL	$60.23	1,123	$67,638.85	42,100	2021-05-03	Filing
ZNTL	$59.91	4,567	$273,629.98	43,223	2021-05-03	Filing
ZNTL	$58.09	1,630	$94,678.71	47,790	2021-05-03	Filing
ZNTL	$57.12	1,100	$62,836.29	49,420	2021-05-03	Filing
ZNTL	$45.00	3,810	$171,450.00	50,520	2021-04-13	Filing
ZNTL	$45.07	400	$18,027.52	54,330	2021-04-05	Filing
ZNTL	$43.26	275	$11,897.00	1,019,653	2021-04-06	Filing
ZNTL	$43.36	15,361	$666,052.96	1,019,928	2021-04-05	Filing
ZNTL	$45.06	54	$2,433.27	1,035,289	2021-04-05	Filing
ZNTL	$44.21	97	$4,288.84	1,035,343	2021-04-05	Filing
ZNTL	$43.37	9,024	$391,332.08	1,035,440	2021-04-05	Filing
ZNTL	$44.90	100	$4,490.00	54,730	2021-04-01	Filing