OYLER JOHN - Insider Transactions

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Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
ONC	OYLER JOHN	Chief Executive Officer	Dec 15 '25	Sale	307.79	75,631	23,278,679	24,369	Dec 17 04:47 PM
ONC	OYLER JOHN	Chief Executive Officer	Dec 16 '25	Sale	302.87	24,369	7,380,739	0	Dec 17 04:47 PM
ONC	JOHN V OYLER	Director	Dec 15 '25	Proposed Sale	319.06	100,000	31,906,000		Dec 15 04:32 PM
ONC	OYLER JOHN	Chief Executive Officer	Sep 16 '25	Sale	325.71	27,803	9,055,694	0	Sep 18 04:45 PM
ONC	PAN-OYLER FOUNDATION	Director	Sep 16 '25	Proposed Sale	332.27	1,204	400,053		Sep 16 04:25 PM

ONC	JOHN V OYLER	Director	Sep 16 '25	Proposed Sale	332.27	27,803	9,238,103		Sep 16 04:22 PM
ONC	OYLER JOHN	Chief Executive Officer	Jul 09 '25	Sale	253.38	27,802	7,044,591	0	Jul 11 05:14 PM
ONC	JOHN V OYLER	Director	Jul 09 '25	Proposed Sale	244.47	27,802	6,796,755		Jul 09 04:15 PM
ONC	PAN-OYLER FOUNDATION	Director	Jul 08 '25	Proposed Sale	240.99	1,661	400,284		Jul 08 04:21 PM
ONC	OYLER JOHN	Chief Executive Officer	Jun 23 '25	Sale	261.61	3,174	830,360	0	Jun 25 05:06 PM
ONC	JOHN OYLER	Officer	Jun 23 '25	Proposed Sale	261.61	3,174	830,360		Jun 23 04:08 PM
ONC	OYLER JOHN	Chief Executive Officer	Jun 16 '25	Sale	266.05	3,680	979,046	1,460	Jun 18 05:06 PM
ONC	OYLER JOHN	Chief Executive Officer	Jun 17 '25	Sale	256.49	1,460	374,473	0	Jun 18 05:06 PM
ONC	JOHN OYLER	Officer	Jun 17 '25	Proposed Sale	256.49	1,460	374,473		Jun 17 04:20 PM
ONC	JOHN OYLER	Officer	Jun 16 '25	Proposed Sale	266.05	3,680	979,046		Jun 16 04:14 PM

ONC	OYLER JOHN	Chief Executive Officer	Jun 06 '25	Sale	252.77	5,127	1,295,946	0	Jun 10 04:54 PM
ONC	JOHN OYLER	Officer	Jun 06 '25	Proposed Sale	252.77	5,127	1,295,946		Jun 06 04:16 PM
ONC	OYLER JOHN	Chief Executive Officer	May 09 '25	Option Exercise	0.50	4,055,415	2,027,708	10,154,040	May 13 05:24 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 10 '25	Option Exercise	0.96	539,032	516,776	6,098,625	Mar 12 05:02 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 10 '25	Sale	242.67	41,210	10,000,483	0	Mar 12 05:02 PM
ONC	JOHN OYLER	Officer	Mar 10 '25	Proposed Sale	242.67	41,210	10,000,480		Mar 10 04:19 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 07 '25	Option Exercise	0.96	767,337	735,208	5,600,803	Mar 07 08:17 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 07 '25	Sale	249.13	58,590	14,596,247	0	Mar 07 08:17 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 06 '25	Option Exercise	0.96	526,270	503,789	4,892,056	Mar 07 07:26 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 06 '25	Sale	259.15	40,109	10,394,329	0	Mar 07 07:26 PM
ONC	JOHN OYLER	Officer	Mar 07 '25	Proposed Sale	249.13	58,590	14,596,245		Mar 07 05:14 PM
ONC	JOHN OYLER	Officer	Mar 06 '25	Proposed Sale	259.15	40,109	10,394,328		Mar 06 05:22 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 03 '25	Option Exercise	0.96	1,321,531	1,266,766	4,199,364	Mar 05 04:59 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 03 '25	Sale	244.30	101,000	24,674,638	0	Mar 05 04:59 PM
ONC	JOHN OYLER	Officer	Mar 03 '25	Proposed Sale	244.30	101,000	24,674,633		Mar 03 05:30 PM

ONC	OYLER JOHN	Chief Executive Officer	Dec 14 '24	Option Exercise	0.50	1,300,000	650,000	2,978,833	Dec 17 05:02 PM
ONC	PAN-OYLER FOUNDATION	Director	Nov 25 '24	Proposed Sale	190.51	1,969	375,114		Nov 25 04:39 PM
ONC	OYLER JOHN	Chief Executive Officer	Oct 08 '24	Sale	232.22	6,175	1,433,931	0	Oct 10 05:48 PM
ONC	OYLER JOHN	Chief Executive Officer	Oct 08 '24	Sale	232.22	10,000	2,322,161	0	Oct 10 05:48 PM
ONC	JOHN F OYLER	Director	Oct 08 '24	Proposed Sale	243.02	6,175	1,500,648		Oct 08 04:24 PM
ONC	OYLER INVESTMENT LLC	Director	Oct 08 '24	Proposed Sale	243.02	10,000	2,430,200		Oct 08 04:23 PM
ONC	PAN-OYLER FOUNDATION	Director	Aug 27 '24	Proposed Sale	199.22	1,883	375,131		Aug 27 04:30 PM
ONC	OYLER JOHN	Chief Executive Officer	Jun 24 '24	Sale	159.58	2,789	445,070	0	Jun 26 05:22 PM
ONC	OYLER JOHN	Chief Executive Officer	Jun 17 '24	Sale	159.35	1,281	204,125	0	Jun 20 05:27 PM
ONC	OYLER JOHN	Chief Executive Officer	Apr 09 '24	Sale	153.94	11,200	1,724,078	38,800	Apr 11 06:01 PM
ONC	OYLER JOHN	Chief Executive Officer	Apr 10 '24	Sale	148.89	26,716	3,977,861	12,084	Apr 11 06:01 PM
ONC	OYLER JOHN	Chief Executive Officer	Apr 11 '24	Sale	146.73	12,084	1,773,085	0	Apr 11 06:01 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 12 '24	Sale	164.02	37,668	6,178,369	12,332	Mar 14 05:23 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 13 '24	Sale	177.56	12,332	2,189,648	0	Mar 14 05:23 PM
ONC	OYLER JOHN	Chief Executive Officer	Jan 10 '23	Sale	248.52	6,797	1,689,157	0	Jan 12 04:52 PM
ONC	OYLER JOHN	Chief Executive Officer	Jan 10 '23	Sale	248.51	13,594	3,378,292	0	Jan 12 04:52 PM
ONC	OYLER JOHN	Chief Executive Officer	Dec 27 '22	Sale	224.29	1,120	251,209	0	Dec 29 06:24 PM
ONC	OYLER JOHN	Chief Executive Officer	Dec 27 '22	Sale	224.29	2,239	502,193	0	Dec 29 06:24 PM
ONC	OYLER JOHN	Chief Executive Officer	Dec 28 '22	Sale	224.73	367	82,474	0	Dec 29 06:24 PM
ONC	OYLER JOHN	Chief Executive Officer	Dec 28 '22	Sale	224.73	733	164,724	0	Dec 29 06:24 PM
ONC	OYLER JOHN	Chief Executive Officer	Dec 29 '22	Sale	224.46	1,716	385,174	0	Dec 29 06:24 PM
ONC	OYLER JOHN	Chief Executive Officer	Dec 29 '22	Sale	224.46	3,434	770,798	0	Dec 29 06:24 PM
ONC	OYLER JOHN	Chief Executive Officer	Nov 15 '22	Sale	206.84	25,000	5,171,105	0	Nov 17 05:10 PM
ONC	OYLER JOHN	Chief Executive Officer	Nov 15 '22	Sale	206.82	4,928	1,019,229	0	Nov 17 05:10 PM
ONC	OYLER JOHN	Chief Executive Officer	Sep 20 '22	Sale	153.50	30,520	4,684,842	0	Sep 22 05:34 PM
ONC	OYLER JOHN	Chief Executive Officer	Sep 21 '22	Sale	149.99	19,480	2,921,714	0	Sep 22 05:34 PM
ONC	OYLER JOHN	Chief Executive Officer	Sep 14 '21	Sale	93.87	195,477	18,348,860	0	Sep 16 06:06 PM
ONC	OYLER JOHN	Chief Executive Officer	Sep 15 '21	Sale	71.36	216,361	15,439,460	0	Sep 16 06:06 PM
ONC	OYLER JOHN	Chief Executive Officer	Aug 31 '21	Sale	110.13	111,081	12,232,867	0	Sep 02 08:40 PM
ONC	OYLER JOHN	Chief Executive Officer	Sep 01 '21	Sale	74.56	153,059	11,411,648	0	Sep 02 08:40 PM
ONC	OYLER JOHN	Chief Executive Officer	Sep 02 '21	Sale	328.21	24,499	8,040,809	0	Sep 02 08:40 PM
ONC	OYLER JOHN	Chief Executive Officer	Aug 04 '21	Sale	150.97	80,847	12,205,588	0	Aug 05 09:03 PM
ONC	OYLER JOHN	Chief Executive Officer	Aug 05 '21	Sale	98.47	44,462	4,378,046	0	Aug 05 09:03 PM
ONC	OYLER JOHN	Chief Executive Officer	Aug 03 '21	Sale	182.37	83,359	15,202,048	0	Aug 05 09:01 PM
ONC	OYLER JOHN	Chief Executive Officer	Jul 22 '21	Sale	71.82	69,216	4,971,360	0	Jul 22 06:23 PM
ONC	OYLER JOHN	Chief Executive Officer	Jul 20 '21	Sale	132.26	43,695	5,779,054	0	Jul 22 06:21 PM
ONC	OYLER JOHN	Chief Executive Officer	Jul 21 '21	Sale	184.09	27,160	4,999,823	0	Jul 22 06:21 PM
ONC	OYLER JOHN	Chief Executive Officer	Jul 07 '21	Sale	325.23	300	97,570	0	Jul 08 07:11 PM
ONC	OYLER JOHN	Chief Executive Officer	Jul 08 '21	Sale	93.80	67,181	6,301,733	0	Jul 08 07:11 PM
ONC	OYLER JOHN	Chief Executive Officer	Jul 06 '21	Sale	93.69	57,375	5,375,615	0	Jul 08 07:09 PM
ONC	OYLER JOHN	Chief Executive Officer	Jul 07 '21	Sale	137.54	66,446	9,139,022	300	Jul 08 07:09 PM
ONC	OYLER JOHN	Chief Executive Officer	Sep 28 '20	Sale	280.07	31,000	8,682,063	0	Sep 30 04:53 PM
ONC	OYLER JOHN	Chief Executive Officer	Sep 29 '20	Sale	280.82	23,303	6,544,030	0	Sep 30 04:53 PM
ONC	OYLER JOHN	Chief Executive Officer	Sep 14 '20	Sale	250.25	19,739	4,939,782	0	Sep 16 05:12 PM
ONC	OYLER JOHN	Chief Executive Officer	Sep 15 '20	Sale	254.26	34,214	8,699,381	0	Sep 16 05:12 PM
ONC	OYLER JOHN	Chief Executive Officer	Sep 16 '20	Sale	254.77	27,275	6,948,807	0	Sep 16 05:12 PM
ONC	OYLER JOHN	Chief Executive Officer	Aug 31 '20	Sale	240.86	12,961	3,121,765	0	Sep 02 05:44 PM
ONC	OYLER JOHN	Chief Executive Officer	Sep 01 '20	Sale	233.79	20,274	4,739,809	0	Sep 02 05:44 PM
ONC	OYLER JOHN	Chief Executive Officer	Sep 02 '20	Sale	229.22	27,807	6,374,024	0	Sep 02 05:44 PM
ONC	OYLER JOHN	Chief Executive Officer	Aug 19 '20	Sale	234.56	29,866	7,005,265	0	Aug 21 05:21 PM
ONC	OYLER JOHN	Chief Executive Officer	Aug 20 '20	Sale	234.62	21,523	5,049,749	0	Aug 21 05:21 PM
ONC	OYLER JOHN	Chief Executive Officer	Aug 21 '20	Sale	240.19	40,788	9,796,775	0	Aug 21 05:21 PM
ONC	OYLER JOHN	Chief Executive Officer	Aug 12 '20	Sale	212.10	19,820	4,203,766	0	Aug 14 05:30 PM
ONC	OYLER JOHN	Chief Executive Officer	Aug 13 '20	Sale	214.48	14,443	3,097,762	0	Aug 14 05:30 PM
ONC	OYLER JOHN	Chief Executive Officer	Aug 14 '20	Sale	211.15	8,705	1,838,034	0	Aug 14 05:30 PM
ONC	OYLER JOHN	Chief Executive Officer	Aug 05 '20	Sale	223.27	17,254	3,852,273	0	Aug 05 05:43 PM
ONC	OYLER JOHN	Chief Executive Officer	Aug 03 '20	Sale	221.78	25,176	5,583,575	0	Aug 05 05:30 PM
ONC	OYLER JOHN	Chief Executive Officer	Aug 04 '20	Sale	220.43	15,383	3,390,951	0	Aug 05 05:30 PM
ONC	OYLER JOHN	Chief Executive Officer	Jul 22 '20	Sale	238.34	27,748	6,613,503	0	Jul 22 06:22 PM
ONC	OYLER JOHN	Chief Executive Officer	Jul 20 '20	Sale	251.85	28,762	7,243,784	0	Jul 22 06:14 PM
ONC	OYLER JOHN	Chief Executive Officer	Jul 21 '20	Sale	251.83	26,413	6,651,695	0	Jul 22 06:14 PM
ONC	OYLER JOHN	Chief Executive Officer	Jul 06 '20	Sale	197.11	17,362	3,422,262	0	Jul 08 05:20 PM
ONC	OYLER JOHN	Chief Executive Officer	Jul 07 '20	Sale	198.86	19,023	3,782,987	0	Jul 08 05:20 PM
ONC	OYLER JOHN	Chief Executive Officer	Jul 08 '20	Sale	201.39	17,529	3,530,206	0	Jul 08 05:20 PM
ONC	OYLER JOHN	Chief Executive Officer	Jun 29 '20	Sale	192.60	1,435	276,374	0	Jul 01 04:43 PM
ONC	OYLER JOHN	Chief Executive Officer	Jul 01 '20	Sale	191.57	3,816	731,016	0	Jul 01 04:43 PM
ONC	OYLER JOHN	Chief Executive Officer	Jun 22 '20	Sale	182.43	10,281	1,875,605	29,451	Jun 24 08:23 PM
ONC	OYLER JOHN	Chief Executive Officer	Jun 23 '20	Sale	186.88	15,070	2,816,222	14,381	Jun 24 08:23 PM
ONC	OYLER JOHN	Chief Executive Officer	Jun 24 '20	Sale	187.34	14,381	2,694,156	0	Jun 24 08:23 PM
ONC	OYLER JOHN	Chief Executive Officer	Jun 10 '20	Sale	175.07	900	157,563	0	Jun 12 04:14 PM
ONC	OYLER JOHN	Chief Executive Officer	May 01 '20	Sale	141.43	4,635	655,537	0	May 05 04:48 PM
ONC	OYLER JOHN	Chief Executive Officer	Dec 17 '19	Sale	160.62	62,259	10,000,100	0	Dec 19 04:10 PM
ONC	OYLER JOHN	Chief Executive Officer	Jul 08 '19	Sale	126.87	3,106	394,055	0	Jul 09 07:23 PM
ONC	OYLER JOHN	Chief Executive Officer	May 01 '19	Sale	125.18	2,824	353,505	0	May 02 04:07 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 04 '19	Sale	152.01	4,588	697,426	0	Mar 06 06:32 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 04 '19	Sale	151.34	9,790	1,481,625	0	Mar 06 06:32 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 05 '19	Sale	152.25	4,791	729,433	0	Mar 06 06:32 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 05 '19	Sale	151.76	6,230	945,454	0	Mar 06 06:32 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 06 '19	Sale	150.00	100	15,000	100	Mar 06 06:32 PM
ONC	OYLER JOHN	Chief Executive Officer	Dec 10 '18	Sale	135.78	4,138	561,863	0	Dec 12 05:28 PM
ONC	OYLER JOHN	Chief Executive Officer	Nov 26 '18	Sale	139.06	9,078	1,262,430	24,255	Nov 28 07:26 PM
ONC	OYLER JOHN	Chief Executive Officer	Nov 27 '18	Sale	144.57	11,252	1,626,743	13,003	Nov 28 07:26 PM
ONC	OYLER JOHN	Chief Executive Officer	Nov 28 '18	Sale	147.19	8,865	1,304,862	4,138	Nov 28 07:26 PM
ONC	OYLER JOHN	Chief Executive Officer	Jul 16 '18	Sale	164.12	2,550	418,497	0	Jul 17 05:02 PM
ONC	OYLER JOHN	Chief Executive Officer	Feb 28 '18	Sale	146.69	34,338	5,036,943	64,662	Mar 02 06:42 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 01 '18	Sale	143.08	39,300	5,623,205	25,362	Mar 02 06:42 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 02 '18	Sale	148.13	25,362	3,756,784	0	Mar 02 06:42 PM
ONC	OYLER JOHN	Chief Executive Officer	Dec 26 '17	Sale	96.46	20,137	1,942,515	99,000	Dec 28 05:49 PM
ONC	OYLER JOHN	Chief Executive Officer	Dec 06 '17	Sale	92.29	31,446	2,902,224	231,691	Dec 08 05:57 PM
ONC	OYLER JOHN	Chief Executive Officer	Dec 07 '17	Sale	93.40	59,737	5,579,304	171,954	Dec 08 05:57 PM
ONC	OYLER JOHN	Chief Executive Officer	Dec 08 '17	Sale	95.57	52,817	5,047,758	119,137	Dec 08 05:57 PM
ONC	OYLER JOHN	Chief Executive Officer	Nov 27 '17	Sale	86.76	16,581	1,438,582	332,462	Nov 29 05:33 PM
ONC	OYLER JOHN	Chief Executive Officer	Nov 28 '17	Sale	85.52	32,985	2,820,864	299,477	Nov 29 05:33 PM
ONC	OYLER JOHN	Chief Executive Officer	Nov 29 '17	Sale	82.92	36,340	3,013,458	263,137	Nov 29 05:33 PM
ONC	OYLER JOHN	Chief Executive Officer	Nov 13 '17	Sale	83.06	25,054	2,080,916	474,946	Nov 15 08:12 PM
ONC	OYLER JOHN	Chief Executive Officer	Nov 14 '17	Sale	79.74	59,835	4,770,950	415,111	Nov 15 08:12 PM
ONC	OYLER JOHN	Chief Executive Officer	Nov 15 '17	Sale	80.23	66,068	5,300,508	349,043	Nov 15 08:12 PM
ONC	OYLER JOHN	Chief Executive Officer	Jul 06 '17	Sale	64.82	219,400	14,221,125	0	Jul 10 06:44 PM
ONC	OYLER JOHN	Chief Executive Officer	Jun 22 '17	Sale	44.08	58,605	2,583,269	86,735	Jun 26 08:38 PM
ONC	OYLER JOHN	Chief Executive Officer	Jun 23 '17	Sale	44.28	39,895	1,766,353	46,840	Jun 26 08:38 PM
ONC	OYLER JOHN	Chief Executive Officer	Apr 27 '17	Sale	40.37	34,049	1,374,565	147,440	May 01 07:44 PM
ONC	OYLER JOHN	Chief Executive Officer	May 01 '17	Sale	42.02	2,100	88,243	145,340	May 01 07:44 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 16 '17	Sale	38.77	16,038	621,725	197,440	Mar 20 07:06 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 17 '17	Sale	40.02	2,717	108,737	194,723	Mar 20 07:06 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 20 '17	Sale	40.02	13,234	529,611	181,489	Mar 20 07:06 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 02 '17	Sale	41.25	49,092	2,025,104	273,385	Mar 06 07:00 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 03 '17	Sale	40.83	40,091	1,636,968	233,294	Mar 06 07:00 PM
ONC	OYLER JOHN	Chief Executive Officer	Mar 06 '17	Sale	40.23	19,816	797,258	213,478	Mar 06 07:00 PM
ONC	OYLER JOHN	Chief Executive Officer	Feb 16 '17	Sale	40.65	47,400	1,926,867	340,040	Feb 21 07:23 PM
ONC	OYLER JOHN	Chief Executive Officer	Feb 17 '17	Sale	40.67	7,204	292,981	332,836	Feb 21 07:23 PM
ONC	OYLER JOHN	Chief Executive Officer	Feb 21 '17	Sale	39.98	10,359	414,162	322,477	Feb 21 07:23 PM

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OYLER JOHN - Insider Transactions

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