PROSPERITY BANCSHARES INC

Ticker: PB CUSIP: 743606105 Class: Common Stock

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q4 2025

Shares 22,497 Value ($000) $1,555 Avg Close $67.02 Range $60.57 - $73.29

Q3 2025

Shares 22,597 Value ($000) $1,499 Avg Close $67.67 Range $63.46 - $74.18

Q2 2025

Shares 22,897 Value ($000) $1,608 Avg Close $67.25 Range $60.04 - $72.70

Q1 2025

Shares 22,797 Value ($000) $1,627 Avg Close $73.31 Range $66.80 - $80.01

Q4 2024

Shares 22,597 Value ($000) $1,703 Avg Close $74.22 Range $66.18 - $83.29

Q3 2024

Shares 22,597 Value ($000) $1,629 Avg Close $66.65 Range $55.87 - $71.88

Q2 2024

Shares 23,097 Value ($000) $1,412 Avg Close $58.22 Range $54.44 - $62.43

Q1 2024

Shares 22,997 Value ($000) $1,513 Avg Close $59.70 Range $56.68 - $64.40

Q4 2023

Shares 22,497 Value ($000) $1,524 Avg Close $54.28 Range $45.97 - $64.31

Q3 2023

Shares 22,397 Value ($000) $1,222 Avg Close $53.35 Range $48.77 - $58.41

Q2 2023

Shares 23,197 Value ($000) $1,310 Avg Close $54.39 Range $50.59 - $57.41

Q1 2023

Shares 23,097 Value ($000) $1,421 Avg Close $64.28 Range $52.50 - $70.99

Q4 2022

Shares 23,197 Value ($000) $1,686 Avg Close $64.63 Range $59.65 - $68.25

Q3 2022

Shares 22,997 Value ($000) $1,533 Avg Close $63.50 Range $58.02 - $69.17

Q2 2022

Shares 23,397 Value ($000) $1,597 Avg Close $60.58 Range $56.98 - $64.74

Q1 2022

Shares 23,397 Value ($000) $1,623 Avg Close $64.55 Range $60.39 - $70.34

Q4 2021

Shares 23,354 Value ($000) $1,688 Avg Close $64.32 Range $59.91 - $68.28

Q3 2021

Shares 23,254 Value ($000) $1,654 Avg Close $59.70 Range $55.90 - $62.92

Q2 2021

Shares 23,454 Value ($000) $1,684 Avg Close $64.06 Range $60.17 - $66.82

Q1 2021

Shares 34,454 Value ($000) $2,580 Avg Close $62.29 Range $56.53 - $71.07

Q4 2020

Shares 33,754 Value ($000) $2,341 Avg Close $51.88 Range $42.58 - $59.87

Q3 2020

Shares 33,754 Value ($000) $1,749 Avg Close $45.92 Range $41.21 - $50.74

Q2 2020

Shares 33,754 Value ($000) $2,004 Avg Close $48.01 Range $36.28 - $60.59

Q1 2020

Shares 26,200 Value ($000) $1,264 Avg Close $53.65 Range $34.90 - $61.90

Q4 2019

Shares 27,800 Value ($000) $1,999 Avg Close $57.82 Range $54.46 - $60.79

Q3 2019

Shares 20,000 Value ($000) $1,413 Avg Close $54.71 Range $50.54 - $58.76

Q2 2019

Shares 19,600 Value ($000) $1,295 Avg Close $55.97 Range $50.28 - $60.20

Q1 2019

Shares 23,700 Value ($000) $1,637 Avg Close $57.37 Range $49.53 - $60.55

Q4 2018

Shares 23,700 Value ($000) $1,477 Avg Close $52.73 Range $45.81 - $57.68

Q3 2018

Shares 24,500 Value ($000) $1,699 Avg Close $57.25 Range $53.45 - $60.59

Q2 2018

Shares 25,700 Value ($000) $1,757 Avg Close $57.72 Range $53.48 - $60.82

Q1 2018

Shares 25,500 Value ($000) $1,852 Avg Close $59.04 Range $54.26 - $62.33

Q4 2017

Shares 25,000 Value ($000) $1,752 Avg Close $52.36 Range $48.50 - $57.45

Q3 2017

Shares 26,100 Value ($000) $1,716 Avg Close $48.81 Range $43.48 - $51.97

Q2 2017

Shares 28,600 Value ($000) $1,837 Avg Close $51.10 Range $47.48 - $55.76

Q1 2017

Shares 28,200 Value ($000) $1,966 Avg Close $56.04 Range $50.62 - $60.04

Q4 2016

Shares 28,000 Value ($000) $2,010 Avg Close $48.03 Range $40.52 - $56.81

Q3 2016

Shares 28,000 Value ($000) $1,537 Avg Close $40.49 Range $35.05 - $42.93

Q2 2016

Shares 26,200 Value ($000) $1,336 Avg Close $38.21 Range $32.83 - $41.39

Q1 2016

Shares 26,200 Value ($000) $1,215 Avg Close $31.88 Range $25.29 - $36.03

Q4 2015

Shares 26,000 Value ($000) $1,244 Avg Close $38.52 Range $34.73 - $42.71

Q3 2015

Shares 29,500 Value ($000) $1,449 Avg Close $39.36 Range $32.59 - $44.66

Q2 2015

Shares 27,400 Value ($000) $1,582 Avg Close $40.38 Range $37.74 - $44.16

Q1 2015

Shares 27,300 Value ($000) $1,433 Avg Close $37.50 Range $33.19 - $41.20

Q4 2014

Shares 28,600 Value ($000) $1,583 Avg Close $41.63 Range $38.80 - $44.86

Q3 2014

Shares 28,500 Value ($000) $1,629 Avg Close $43.78 Range $40.91 - $46.57

Q2 2014

Shares 28,300 Value ($000) $1,772 Avg Close $44.09 Range $40.79 - $49.12

Q1 2014

Shares 26,800 Value ($000) $1,773 Avg Close $45.93 Range $43.33 - $49.26

Q4 2013

Shares 26,600 Value ($000) $1,686 Avg Close $45.63 Range $44.19 - $47.30

Q3 2013

Shares 26,100 Value ($000) $1,614 Avg Close $42.75 Range $37.32 - $44.78

Q2 2013

Shares 21,600 Value ($000) $1,119 Avg Close $34.46 Range $31.76 - $37.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	22,497	$1,555	$67.02	$60.57 - $73.29
Q3 2025	22,597	$1,499	$67.67	$63.46 - $74.18
Q2 2025	22,897	$1,608	$67.25	$60.04 - $72.70
Q1 2025	22,797	$1,627	$73.31	$66.80 - $80.01
Q4 2024	22,597	$1,703	$74.22	$66.18 - $83.29
Q3 2024	22,597	$1,629	$66.65	$55.87 - $71.88
Q2 2024	23,097	$1,412	$58.22	$54.44 - $62.43
Q1 2024	22,997	$1,513	$59.70	$56.68 - $64.40
Q4 2023	22,497	$1,524	$54.28	$45.97 - $64.31
Q3 2023	22,397	$1,222	$53.35	$48.77 - $58.41
Q2 2023	23,197	$1,310	$54.39	$50.59 - $57.41
Q1 2023	23,097	$1,421	$64.28	$52.50 - $70.99
Q4 2022	23,197	$1,686	$64.63	$59.65 - $68.25
Q3 2022	22,997	$1,533	$63.50	$58.02 - $69.17
Q2 2022	23,397	$1,597	$60.58	$56.98 - $64.74
Q1 2022	23,397	$1,623	$64.55	$60.39 - $70.34
Q4 2021	23,354	$1,688	$64.32	$59.91 - $68.28
Q3 2021	23,254	$1,654	$59.70	$55.90 - $62.92
Q2 2021	23,454	$1,684	$64.06	$60.17 - $66.82
Q1 2021	34,454	$2,580	$62.29	$56.53 - $71.07
Q4 2020	33,754	$2,341	$51.88	$42.58 - $59.87
Q3 2020	33,754	$1,749	$45.92	$41.21 - $50.74
Q2 2020	33,754	$2,004	$48.01	$36.28 - $60.59
Q1 2020	26,200	$1,264	$53.65	$34.90 - $61.90
Q4 2019	27,800	$1,999	$57.82	$54.46 - $60.79
Q3 2019	20,000	$1,413	$54.71	$50.54 - $58.76
Q2 2019	19,600	$1,295	$55.97	$50.28 - $60.20
Q1 2019	23,700	$1,637	$57.37	$49.53 - $60.55
Q4 2018	23,700	$1,477	$52.73	$45.81 - $57.68
Q3 2018	24,500	$1,699	$57.25	$53.45 - $60.59
Q2 2018	25,700	$1,757	$57.72	$53.48 - $60.82
Q1 2018	25,500	$1,852	$59.04	$54.26 - $62.33
Q4 2017	25,000	$1,752	$52.36	$48.50 - $57.45
Q3 2017	26,100	$1,716	$48.81	$43.48 - $51.97
Q2 2017	28,600	$1,837	$51.10	$47.48 - $55.76
Q1 2017	28,200	$1,966	$56.04	$50.62 - $60.04
Q4 2016	28,000	$2,010	$48.03	$40.52 - $56.81
Q3 2016	28,000	$1,537	$40.49	$35.05 - $42.93
Q2 2016	26,200	$1,336	$38.21	$32.83 - $41.39
Q1 2016	26,200	$1,215	$31.88	$25.29 - $36.03
Q4 2015	26,000	$1,244	$38.52	$34.73 - $42.71
Q3 2015	29,500	$1,449	$39.36	$32.59 - $44.66
Q2 2015	27,400	$1,582	$40.38	$37.74 - $44.16
Q1 2015	27,300	$1,433	$37.50	$33.19 - $41.20
Q4 2014	28,600	$1,583	$41.63	$38.80 - $44.86
Q3 2014	28,500	$1,629	$43.78	$40.91 - $46.57
Q2 2014	28,300	$1,772	$44.09	$40.79 - $49.12
Q1 2014	26,800	$1,773	$45.93	$43.33 - $49.26
Q4 2013	26,600	$1,686	$45.63	$44.19 - $47.30
Q3 2013	26,100	$1,614	$42.75	$37.32 - $44.78
Q2 2013	21,600	$1,119	$34.46	$31.76 - $37.71