STIRITZ WILLIAM P

Insider CIK 1052058 · RAH Director · POST Chairman and CEO, Director

Track record PRO

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Track record

See how this insider's past purchases performed 30 and 90 days later, and a conviction score on each buy.

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Trades across companies

Ticker	Code	Trade	Filed	Shares	Price	Value	Owned after
POST Post Holdings, Inc.	S Sale	2026-09-02	2026-09-03	228	$85.01	$19.4K	0	SEC↗
POST Post Holdings, Inc.	S Sale	2026-09-02	2026-09-03	277,707	$84.23	$23.39M	228	SEC↗
POST Post Holdings, Inc.	S Sale	2026-09-02	2026-09-03	228	$85.01	$19.4K	0	SEC↗
POST Post Holdings, Inc.	S Sale	2026-09-02	2026-09-03	277,707	$84.23	$23.39M	228	SEC↗
POST Post Holdings, Inc.	S Sale	2026-09-01	2026-09-03	99,990	$83.54	$8.35M	284,142	SEC↗
POST Post Holdings, Inc.	S Sale	2026-09-01	2026-09-03	6,207	$84.63	$525.3K	277,935	SEC↗
POST Post Holdings, Inc.	S Sale	2026-09-01	2026-09-03	6,207	$84.63	$525.3K	277,935	SEC↗
POST Post Holdings, Inc.	S Sale	2026-09-01	2026-09-03	99,990	$83.54	$8.35M	284,142	SEC↗
POST Post Holdings, Inc.	M Exercise deriv	2025-12-18	2025-12-19	170,001	—	$0	0	SEC↗
POST Post Holdings, Inc.	M Exercise	2025-12-18	2025-12-19	170,001	—	$0	4,504,668	SEC↗
POST Post Holdings, Inc.	D To issuer	2025-12-18	2025-12-19	170,001	$101.81	$17.31M	4,334,667	SEC↗
POST Post Holdings, Inc.	M Exercise deriv	2025-12-17	2025-12-19	10,703	—	$0	170,001	SEC↗
POST Post Holdings, Inc.	D To issuer	2025-12-17	2025-12-19	10,703	$101.19	$1.08M	4,334,667	SEC↗
POST Post Holdings, Inc.	M Exercise	2025-12-17	2025-12-19	10,703	—	$0	4,345,370	SEC↗
POST Post Holdings, Inc.	A Award deriv	2025-12-16	2025-12-18	58	$98.93	$5.7K	180,722	SEC↗
POST Post Holdings, Inc.	A Award deriv	2025-11-28	2025-12-02	107	$104.03	$11.1K	180,638	SEC↗
POST Post Holdings, Inc.	A Award deriv	2025-10-31	2025-11-04	107	$103.93	$11.1K	180,543	SEC↗
POST Post Holdings, Inc.	A Award deriv	2025-09-30	2025-10-02	103	$107.48	$11.1K	180,447	SEC↗
POST Post Holdings, Inc.	A Award deriv	2025-08-29	2025-09-03	98	$113.15	$11.1K	180,357	SEC↗
POST Post Holdings, Inc.	P Buy	2025-08-19	2025-08-21	36,000	$109.53	$3.94M	4,334,667	SEC↗
POST Post Holdings, Inc.	A Award deriv	2025-07-31	2025-08-04	105	$105.81	$11.1K	180,274	SEC↗
POST Post Holdings, Inc.	A Award deriv	2025-06-30	2025-07-02	102	$109.03	$11.1K	180,157	SEC↗
POST Post Holdings, Inc.	P Buy	2025-06-05	2025-06-09	186,740	$109.12	$20.38M	4,298,667	SEC↗
POST Post Holdings, Inc.	A Award deriv	2025-05-30	2025-06-03	100	$110.59	$11.1K	180,055	SEC↗
POST Post Holdings, Inc.	A Award deriv	2025-04-30	2025-05-02	98	$113.17	$11.1K	179,969	SEC↗
POST Post Holdings, Inc.	A Award deriv	2025-03-31	2025-04-02	95	$116.36	$11.1K	179,906	SEC↗
POST Post Holdings, Inc.	A Award deriv	2025-02-28	2025-03-04	98	$113.51	$11.1K	179,830	SEC↗
POST Post Holdings, Inc.	A Award	2025-02-04	2025-02-06	2,500	—	$0	4,111,927	SEC↗
POST Post Holdings, Inc.	A Award deriv	2025-01-31	2025-02-04	105	$106.16	$11.1K	179,822	SEC↗
POST Post Holdings, Inc.	A Award deriv	2024-12-31	2025-01-03	97	$114.46	$11.1K	179,703	SEC↗
POST Post Holdings, Inc.	A Award deriv	2024-11-29	2024-12-03	92	$120.48	$11.1K	179,600	SEC↗
POST Post Holdings, Inc.	A Award deriv	2024-10-31	2024-11-04	102	$109.21	$11.1K	179,535	SEC↗
POST Post Holdings, Inc.	A Award deriv	2024-09-30	2024-10-02	96	$115.75	$11.1K	179,441	SEC↗
POST Post Holdings, Inc.	A Award deriv	2024-08-30	2024-09-04	96	$115.77	$11.1K	179,363	SEC↗
POST Post Holdings, Inc.	A Award deriv	2024-07-31	2024-08-02	102	$109.36	$11.1K	179,302	SEC↗
POST Post Holdings, Inc.	A Award deriv	2024-06-28	2024-07-02	107	$104.16	$11.1K	179,249	SEC↗
POST Post Holdings, Inc.	A Award deriv	2024-05-31	2024-06-03	104	$106.57	$11.1K	179,175	SEC↗
POST Post Holdings, Inc.	A Award deriv	2024-04-30	2024-05-01	105	$106.15	$11.1K	179,096	SEC↗
POST Post Holdings, Inc.	A Award deriv	2024-03-28	2024-04-01	105	$106.28	$11.1K	178,982	SEC↗
POST Post Holdings, Inc.	A Award deriv	2024-02-29	2024-03-04	107	$104.16	$11.1K	178,936	SEC↗
POST Post Holdings, Inc.	A Award deriv	2024-01-31	2024-02-01	120	$92.87	$11.1K	178,929	SEC↗
POST Post Holdings, Inc.	A Award	2024-01-30	2024-02-01	2,700	—	$0	4,109,427	SEC↗
POST Post Holdings, Inc.	A Award deriv	2023-12-29	2024-01-03	126	$88.06	$11.1K	178,848	SEC↗
POST Post Holdings, Inc.	A Award deriv	2023-11-30	2023-12-04	130	$85.43	$11.1K	178,757	SEC↗
POST Post Holdings, Inc.	A Award deriv	2023-10-31	2023-11-02	138	$80.28	$11.1K	178,738	SEC↗
POST Post Holdings, Inc.	A Award deriv	2023-09-29	2023-10-03	130	$85.74	$11.1K	178,556	SEC↗
POST Post Holdings, Inc.	A Award deriv	2023-08-31	2023-09-05	124	$89.71	$11.1K	178,445	SEC↗
POST Post Holdings, Inc.	A Award deriv	2023-07-31	2023-08-02	130	$85.30	$11.1K	178,312	SEC↗
POST Post Holdings, Inc.	A Award deriv	2023-06-30	2023-07-05	128	$86.65	$11.1K	178,219	SEC↗
POST Post Holdings, Inc.	A Award deriv	2023-05-31	2023-06-01	131	$84.96	$11.1K	178,115	SEC↗
POST Post Holdings, Inc.	A Award deriv	2023-04-28	2023-05-01	123	$90.49	$11.1K	177,987	SEC↗
POST Post Holdings, Inc.	A Award deriv	2023-03-31	2023-04-04	124	$89.87	$11.1K	177,861	SEC↗
POST Post Holdings, Inc.	A Award deriv	2023-02-28	2023-03-01	124	$89.96	$11.1K	177,744	SEC↗
POST Post Holdings, Inc.	A Award deriv	2023-01-31	2023-02-02	117	$94.95	$11.1K	177,645	SEC↗
POST Post Holdings, Inc.	A Award	2023-01-31	2023-02-02	2,700	—	$0	4,106,727	SEC↗
POST Post Holdings, Inc.	A Award deriv	2022-12-30	2023-01-03	111	$90.26	$10.0K	177,586	SEC↗
POST Post Holdings, Inc.	A Award deriv	2022-11-30	2022-12-02	107	$93.61	$10.0K	177,483	SEC↗
POST Post Holdings, Inc.	A Award deriv	2022-10-31	2022-11-01	111	$90.42	$10.0K	177,420	SEC↗
POST Post Holdings, Inc.	A Award deriv	2022-09-30	2022-10-04	122	$81.91	$10.0K	177,448	SEC↗
POST Post Holdings, Inc.	A Award deriv	2022-08-31	2022-09-02	113	$88.76	$10.0K	177,278	SEC↗
POST Post Holdings, Inc.	A Award deriv	2022-07-29	2022-08-02	115	$86.94	$10.0K	177,206	SEC↗
POST Post Holdings, Inc.	A Award deriv	2022-06-30	2022-07-05	121	$82.35	$10.0K	177,153	SEC↗
POST Post Holdings, Inc.	A Award deriv	2022-05-31	2022-06-01	122	$82.23	$10.0K	177,023	SEC↗
POST Post Holdings, Inc.	A Award deriv	2022-04-29	2022-05-02	134	$74.39	$10.0K	177,030	SEC↗
POST Post Holdings, Inc.	A Award deriv	2022-03-31	2022-04-04	144	$69.26	$10.0K	176,936	SEC↗
POST Post Holdings, Inc.	A Award	2022-03-10	2022-04-04	1,110	—	$0	4,104,027	SEC↗
POST Post Holdings, Inc.	A Award deriv	2022-02-28	2022-03-01	95	$105.14	$10.0K	118,951	SEC↗
POST Post Holdings, Inc.	A Award	2022-02-01	2022-02-02	2,300	—	$0	4,102,917	SEC↗
POST Post Holdings, Inc.	A Award deriv	2022-01-31	2022-02-02	95	$105.82	$10.0K	118,895	SEC↗
POST Post Holdings, Inc.	A Award deriv	2021-12-31	2022-01-04	89	$112.73	$10.0K	118,782	SEC↗
POST Post Holdings, Inc.	A Award deriv	2021-11-30	2021-12-02	104	$96.60	$10.0K	118,747	SEC↗
POST Post Holdings, Inc.	A Award deriv	2021-10-29	2021-11-02	99	$101.48	$10.0K	118,672	SEC↗
POST Post Holdings, Inc.	A Award deriv	2021-09-30	2021-10-04	91	$110.16	$10.0K	118,550	SEC↗
POST Post Holdings, Inc.	A Award deriv	2021-08-31	2021-09-02	89	$111.91	$10.0K	118,480	SEC↗
POST Post Holdings, Inc.	A Award deriv	2021-07-30	2021-08-03	98	$102.34	$10.0K	118,440	SEC↗
POST Post Holdings, Inc.	A Award deriv	2021-06-30	2021-07-02	92	$108.47	$10.0K	118,322	SEC↗
POST Post Holdings, Inc.	A Award deriv	2021-06-01	2021-06-02	86	$115.68	$10.0K	118,217	SEC↗
POST Post Holdings, Inc.	A Award deriv	2021-04-30	2021-05-04	88	$113.78	$10.0K	118,138	SEC↗
POST Post Holdings, Inc.	A Award deriv	2021-03-31	2021-04-01	95	$105.72	$10.0K	118,112	SEC↗
POST Post Holdings, Inc.	A Award deriv	2021-02-26	2021-03-01	104	$96.06	$10.0K	118,074	SEC↗
POST Post Holdings, Inc.	A Award deriv	2021-02-10	2021-02-12	102	$98.22	$10.0K	117,982	SEC↗
POST Post Holdings, Inc.	A Award	2021-02-02	2021-02-04	2,600	—	$0	4,100,617	SEC↗
POST Post Holdings, Inc.	A Award deriv	2020-12-31	2021-01-04	99	$101.01	$10.0K	117,869	SEC↗
POST Post Holdings, Inc.	A Award deriv	2020-11-30	2020-12-01	106	$94.46	$10.0K	117,763	SEC↗
POST Post Holdings, Inc.	A Award deriv	2020-10-30	2020-11-02	116	$85.90	$10.0K	117,659	SEC↗
POST Post Holdings, Inc.	A Award deriv	2020-09-30	2020-10-01	116	$86.00	$10.0K	117,548	SEC↗
POST Post Holdings, Inc.	A Award deriv	2020-08-31	2020-09-01	114	$88.02	$10.0K	117,409	SEC↗
POST Post Holdings, Inc.	A Award deriv	2020-07-31	2020-08-05	113	$88.74	$10.0K	117,306	SEC↗
POST Post Holdings, Inc.	A Award deriv	2020-06-30	2020-07-02	114	$87.62	$10.0K	117,196	SEC↗
POST Post Holdings, Inc.	A Award deriv	2020-05-29	2020-06-02	115	$87.06	$10.0K	117,065	SEC↗
POST Post Holdings, Inc.	A Award deriv	2020-04-30	2020-05-04	109	$91.85	$10.0K	116,947	SEC↗
POST Post Holdings, Inc.	A Award deriv	2020-03-31	2020-04-01	121	$82.97	$10.0K	116,848	SEC↗
POST Post Holdings, Inc.	A Award deriv	2020-02-28	2020-03-02	99	$101.26	$10.0K	116,728	SEC↗
POST Post Holdings, Inc.	A Award	2020-02-04	2020-02-06	2,400	—	$0	4,098,017	SEC↗
POST Post Holdings, Inc.	A Award deriv	2020-01-31	2020-02-04	96	$104.57	$10.0K	116,623	SEC↗
POST Post Holdings, Inc.	A Award deriv	2019-12-31	2020-01-02	92	$109.10	$10.0K	116,552	SEC↗
POST Post Holdings, Inc.	A Award deriv	2019-11-29	2019-12-02	95	$105.60	$10.0K	116,447	SEC↗
POST Post Holdings, Inc.	A Award deriv	2019-10-31	2019-11-01	97	$102.90	$10.0K	116,346	SEC↗
POST Post Holdings, Inc.	A Award deriv	2019-09-30	2019-10-02	94	$105.84	$10.0K	116,249	SEC↗
POST Post Holdings, Inc.	A Award deriv	2019-08-30	2019-09-03	100	$99.69	$10.0K	116,166	SEC↗
POST Post Holdings, Inc.	M Exercise deriv	2019-08-19	2019-08-20	500,000	—	$0	0	SEC↗
POST Post Holdings, Inc.	M Exercise	2019-08-19	2019-08-20	500,000	$55.00	$27.50M	4,095,617	SEC↗
POST Post Holdings, Inc.	M Exercise deriv	2019-08-05	2019-08-05	400,000	—	$0	0	SEC↗
POST Post Holdings, Inc.	M Exercise deriv	2019-08-05	2019-08-05	500,000	—	$0	500,000	SEC↗
POST Post Holdings, Inc.	M Exercise	2019-08-05	2019-08-05	400,000	$40.30	$16.12M	3,095,617	SEC↗
POST Post Holdings, Inc.	M Exercise	2019-08-05	2019-08-05	500,000	$55.00	$27.50M	3,595,617	SEC↗
POST Post Holdings, Inc.	A Award deriv	2019-07-31	2019-08-01	93	$107.22	$10.0K	116,053	SEC↗
POST Post Holdings, Inc.	A Award deriv	2019-06-28	2019-07-02	96	$103.97	$10.0K	115,957	SEC↗
POST Post Holdings, Inc.	A Award deriv	2019-05-31	2019-06-03	95	$105.10	$10.0K	115,878	SEC↗
POST Post Holdings, Inc.	A Award deriv	2019-04-30	2019-05-02	89	$112.78	$10.0K	115,777	SEC↗
POST Post Holdings, Inc.	A Award deriv	2019-03-29	2019-04-02	91	$109.40	$10.0K	115,686	SEC↗
POST Post Holdings, Inc.	A Award deriv	2019-02-28	2019-03-01	98	$101.88	$10.0K	115,596	SEC↗
POST Post Holdings, Inc.	A Award deriv	2019-02-13	2019-02-15	88,884	$103.55	$9.20M	115,492	SEC↗
POST Post Holdings, Inc.	P Buy	2019-02-08	2019-02-12	3,509	$98.07	$344.1K	2,695,617	SEC↗
POST Post Holdings, Inc.	P Buy	2019-02-08	2019-02-12	32,246	$97.72	$3.15M	2,692,108	SEC↗
POST Post Holdings, Inc.	P Buy	2019-02-06	2019-02-08	869	$95.16	$82.7K	250,942	SEC↗
POST Post Holdings, Inc.	P Buy	2019-02-06	2019-02-08	133,190	$96.72	$12.88M	384,132	SEC↗
POST Post Holdings, Inc.	M Exercise deriv	2019-02-04	2019-02-06	200,000	$40.30	$8.06M	400,000	SEC↗
POST Post Holdings, Inc.	M Exercise deriv	2019-02-04	2019-02-06	1,050,000	$31.25	$32.81M	0	SEC↗
POST Post Holdings, Inc.	M Exercise	2019-02-04	2019-02-06	1,050,000	$31.25	$32.81M	2,464,862	SEC↗
POST Post Holdings, Inc.	G Gift	2019-02-04	2019-02-06	5,000	—	$0	2,659,862	SEC↗
POST Post Holdings, Inc.	M Exercise	2019-02-04	2019-02-06	200,000	$40.30	$8.06M	2,664,862	SEC↗
POST Post Holdings, Inc.	A Award deriv	2019-01-31	2019-02-01	108	$92.82	$10.0K	26,611	SEC↗
POST Post Holdings, Inc.	A Award	2019-01-30	2019-02-01	2,700	—	$0	1,414,862	SEC↗
POST Post Holdings, Inc.	G Gift	2019-01-04	2019-01-09	200	—	$0	1,412,162	SEC↗
POST Post Holdings, Inc.	G Gift	2018-02-14	2018-02-16	100,000	—	$0	1,412,362	SEC↗
POST Post Holdings, Inc.	P Buy	2018-02-12	2018-02-14	100,000	$71.99	$7.20M	1,512,362	SEC↗
POST Post Holdings, Inc.	M Exercise deriv	2016-11-21	2016-11-23	300,000	—	$0	1,050,000	SEC↗
POST Post Holdings, Inc.	M Exercise	2016-11-21	2016-11-23	300,000	$31.25	$9.38M	1,381,996	SEC↗
POST Post Holdings, Inc.	P Buy	2016-11-21	2016-11-23	100,000	$75.68	$7.57M	250,073	SEC↗
POST Post Holdings, Inc.	P Buy	2016-11-21	2016-11-23	10,000	$74.45	$744.5K	33,091	SEC↗
POST Post Holdings, Inc.	P Buy	2016-11-21	2016-11-23	10,000	$74.48	$744.8K	30,000	SEC↗
POST Post Holdings, Inc.	P Buy	2016-02-09	2016-02-09	70,000	$63.40	$4.44M	150,073	SEC↗
POST Post Holdings, Inc.	P Buy	2016-02-08	2016-02-09	200,000	$63.59	$12.72M	1,081,996	SEC↗
POST Post Holdings, Inc.	P Buy	2016-02-08	2016-02-09	79,907	$63.72	$5.09M	80,073	SEC↗
POST Post Holdings, Inc.	P Buy	2016-02-08	2016-02-09	199,735	$63.77	$12.74M	199,735	SEC↗
POST Post Holdings, Inc.	M Exercise deriv	2016-02-03	2016-02-05	200,000	—	$0	1,350,000	SEC↗
POST Post Holdings, Inc.	M Exercise	2016-02-03	2016-02-05	200,000	$31.25	$6.25M	881,996	SEC↗
POST Post Holdings, Inc.	A Award deriv	2014-10-09	2014-10-14	1,000,000	—	$0	1,000,000	SEC↗
POST Post Holdings, Inc.	A Award deriv	2013-10-15	2013-10-17	600,000	—	$0	600,000	SEC↗
POST Post Holdings, Inc.	A Award deriv	2012-05-29	2012-05-31	1,550,000	—	$0	1,550,000	SEC↗
POST Post Holdings, Inc.	A Award	2012-05-29	2012-05-31	312,500	—	$0	683,172	SEC↗
POST Post Holdings, Inc.	J Other	2012-02-03	2012-11-05	369,496	—	$0	369,496	SEC↗
POST Post Holdings, Inc.	J Other deriv	2012-02-03	2012-02-07	26,847	$26.95	$723.5K	26,847	SEC↗
POST Post Holdings, Inc.	J Other	2012-02-03	2012-02-07	370,672	—	$0	370,672	SEC↗
POST Post Holdings, Inc.	J Other	2012-02-03	2012-02-07	166	—	$0	166	SEC↗
RAH RALCORP HOLDINGS INC /MO	A Award deriv	2012-01-31	2012-02-02	149	$87.45	$13.0K	52,974	SEC↗
RAH RALCORP HOLDINGS INC /MO	A Award deriv	2011-12-30	2012-01-04	192	$85.50	$16.4K	52,824	SEC↗