POST HLDGS INC

Ticker: POST CUSIP: 737446104 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q3 2025

Shares 1,946 Value ($000) $209 Avg Close $107.27 Range $101.05 - $114.32

Q2 2025

Shares 1,176 Value ($000) $128 Avg Close $112.07 Range $106.71 - $119.85

Q1 2025

Shares 1,176 Value ($000) $137 Avg Close $110.95 Range $103.98 - $119.17

Q4 2022

Shares 2,114 Value ($000) $191 Avg Close $89.15 Range $80.39 - $95.83

Q3 2022

Shares 1,648 Value ($000) $135 Avg Close $86.51 Range $81.17 - $91.48

Q2 2022

Shares 8,915 Value ($000) $734 Avg Close $77.55 Range $69.14 - $84.06

Q2 2021

Shares 1,000 Value ($000) $108 Avg Close $73.76 Range $68.95 - $77.17

Q4 2020

Shares 37 Value ($000) $4 Avg Close $61.77 Range $55.71 - $68.21

Q4 2018

Shares 20,770 Value ($000) $1,851 Avg Close $60.24 Range $54.90 - $64.79

Q3 2018

Shares 23,489 Value ($000) $2,303 Avg Close $61.37 Range $55.18 - $66.38

Q2 2018

Shares 20,146 Value ($000) $1,733 Avg Close $52.22 Range $48.15 - $57.79

Q1 2018

Shares 12,932 Value ($000) $980 Avg Close $50.58 Range $46.24 - $54.16

Q4 2017

Shares 19,856 Value ($000) $1,573 Avg Close $53.20 Range $50.24 - $58.20

Q3 2017

Shares 4,976 Value ($000) $439 Avg Close $54.77 Range $49.82 - $57.97

Q2 2017

Shares 6,077 Value ($000) $472 Avg Close $53.91 Range $49.58 - $58.27

Q3 2016

Shares 44,020 Value ($000) $3,397 Avg Close $54.87 Range $49.42 - $58.25

Q2 2016

Shares 16,611 Value ($000) $1,374 Avg Close $48.36 Range $44.55 - $54.59

Q1 2016

Shares 32,844 Value ($000) $2,259 Avg Close $42.18 Range $33.33 - $47.54

Q4 2015

Shares 3,615 Value ($000) $223 Avg Close $41.38 Range $37.49 - $46.72

Q3 2015

Shares 110,484 Value ($000) $6,530 Avg Close $39.26 Range $33.20 - $46.64

Q2 2015

Shares 20,189 Value ($000) $1,089 Avg Close $30.86 Range $27.24 - $35.77

Q4 2014

Shares 2,968 Value ($000) $124 Avg Close $24.68 Range $20.25 - $28.12

Q3 2014

Shares 4,481 Value ($000) $149 Avg Close $26.68 Range $21.51 - $33.99

Q2 2014

Shares 1,381 Value ($000) $70 Avg Close $33.45 Range $29.81 - $36.49

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	1,946	$209	$107.27	$101.05 - $114.32
Q2 2025	1,176	$128	$112.07	$106.71 - $119.85
Q1 2025	1,176	$137	$110.95	$103.98 - $119.17
Q4 2022	2,114	$191	$89.15	$80.39 - $95.83
Q3 2022	1,648	$135	$86.51	$81.17 - $91.48
Q2 2022	8,915	$734	$77.55	$69.14 - $84.06
Q2 2021	1,000	$108	$73.76	$68.95 - $77.17
Q4 2020	37	$4	$61.77	$55.71 - $68.21
Q4 2018	20,770	$1,851	$60.24	$54.90 - $64.79
Q3 2018	23,489	$2,303	$61.37	$55.18 - $66.38
Q2 2018	20,146	$1,733	$52.22	$48.15 - $57.79
Q1 2018	12,932	$980	$50.58	$46.24 - $54.16
Q4 2017	19,856	$1,573	$53.20	$50.24 - $58.20
Q3 2017	4,976	$439	$54.77	$49.82 - $57.97
Q2 2017	6,077	$472	$53.91	$49.58 - $58.27
Q3 2016	44,020	$3,397	$54.87	$49.42 - $58.25
Q2 2016	16,611	$1,374	$48.36	$44.55 - $54.59
Q1 2016	32,844	$2,259	$42.18	$33.33 - $47.54
Q4 2015	3,615	$223	$41.38	$37.49 - $46.72
Q3 2015	110,484	$6,530	$39.26	$33.20 - $46.64
Q2 2015	20,189	$1,089	$30.86	$27.24 - $35.77
Q4 2014	2,968	$124	$24.68	$20.25 - $28.12
Q3 2014	4,481	$149	$26.68	$21.51 - $33.99
Q2 2014	1,381	$70	$33.45	$29.81 - $36.49