PROSPERITY BANCSHARES INC

Ticker: PB CUSIP: 743606105 Class: Common Stock

LOOMIS SAYLES & CO L P's Holding History (CIK: 0000312348)

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

Q4 2025

Shares 545,243 Value ($000) $37,682 Avg Close $67.02 Range $60.57 - $73.29

Q3 2025

Shares 427,128 Value ($000) $28,340 Avg Close $67.67 Range $63.46 - $74.18

Q2 2025

Shares 433,268 Value ($000) $30,433 Avg Close $67.25 Range $60.04 - $72.70

Q1 2025

Shares 420,664 Value ($000) $30 Avg Close $73.31 Range $66.80 - $80.01

Q4 2024

Shares 426,400 Value ($000) $32 Avg Close $74.22 Range $66.18 - $83.29

Q3 2024

Shares 421,174 Value ($000) $30 Avg Close $66.65 Range $55.87 - $71.88

Q2 2024

Shares 427,679 Value ($000) $26 Avg Close $58.22 Range $54.44 - $62.43

Q1 2024

Shares 432,554 Value ($000) $28 Avg Close $59.70 Range $56.68 - $64.40

Q4 2023

Shares 427,619 Value ($000) $29 Avg Close $54.28 Range $45.97 - $64.31

Q3 2023

Shares 418,156 Value ($000) $23 Avg Close $53.35 Range $48.77 - $58.41

Q2 2023

Shares 436,343 Value ($000) $25 Avg Close $54.39 Range $50.59 - $57.41

Q1 2023

Shares 377,595 Value ($000) $23 Avg Close $64.28 Range $52.50 - $70.99

Q4 2022

Shares 395,737 Value ($000) $29 Avg Close $64.63 Range $59.65 - $68.25

Q3 2022

Shares 337,280 Value ($000) $22,490 Avg Close $63.50 Range $58.02 - $69.17

Q2 2022

Shares 366,853 Value ($000) $25,045 Avg Close $60.58 Range $56.98 - $64.74

Q1 2022

Shares 375,490 Value ($000) $26,051 Avg Close $64.55 Range $60.39 - $70.34

Q4 2021

Shares 395,019 Value ($000) $28,560 Avg Close $64.32 Range $59.91 - $68.28

Q3 2021

Shares 401,849 Value ($000) $28,583 Avg Close $59.70 Range $55.90 - $62.92

Q2 2021

Shares 389,152 Value ($000) $27,941 Avg Close $64.06 Range $60.17 - $66.82

Q1 2021

Shares 392,735 Value ($000) $29,412 Avg Close $62.29 Range $56.53 - $71.07

Q4 2020

Shares 371,699 Value ($000) $25,781 Avg Close $51.88 Range $42.58 - $59.87

Q3 2020

Shares 394,160 Value ($000) $20,429 Avg Close $45.92 Range $41.21 - $50.74

Q2 2020

Shares 377,358 Value ($000) $22,407 Avg Close $48.01 Range $36.28 - $60.59

Q1 2020

Shares 382,476 Value ($000) $18,455 Avg Close $53.65 Range $34.90 - $61.90

Q4 2019

Shares 389,837 Value ($000) $28,025 Avg Close $57.82 Range $54.46 - $60.79

Q3 2019

Shares 375,912 Value ($000) $26,551 Avg Close $54.71 Range $50.54 - $58.76

Q2 2019

Shares 376,614 Value ($000) $24,876 Avg Close $55.97 Range $50.28 - $60.20

Q1 2019

Shares 402,703 Value ($000) $27,810 Avg Close $57.37 Range $49.53 - $60.55

Q4 2018

Shares 402,524 Value ($000) $25,078 Avg Close $52.73 Range $45.81 - $57.68

Q3 2018

Shares 397,811 Value ($000) $27,589 Avg Close $57.25 Range $53.45 - $60.59

Q2 2018

Shares 402,905 Value ($000) $27,543 Avg Close $57.72 Range $53.48 - $60.82

Q1 2018

Shares 406,234 Value ($000) $29,504 Avg Close $59.04 Range $54.26 - $62.33

Q4 2017

Shares 443,186 Value ($000) $31,054 Avg Close $52.36 Range $48.50 - $57.45

Q3 2017

Shares 437,011 Value ($000) $28,725 Avg Close $48.81 Range $43.48 - $51.97

Q2 2017

Shares 455,947 Value ($000) $29,290 Avg Close $51.10 Range $47.48 - $55.76

Q1 2017

Shares 470,761 Value ($000) $32,817 Avg Close $56.04 Range $50.62 - $60.04

Q4 2016

Shares 491,815 Value ($000) $35,302 Avg Close $48.03 Range $40.52 - $56.81

Q3 2016

Shares 632,735 Value ($000) $34,731 Avg Close $40.49 Range $35.05 - $42.93

Q2 2016

Shares 900,641 Value ($000) $45,923 Avg Close $38.21 Range $32.83 - $41.39

Q1 2016

Shares 996,508 Value ($000) $46,228 Avg Close $31.88 Range $25.29 - $36.03

Q4 2015

Shares 943,830 Value ($000) $45,172 Avg Close $38.52 Range $34.73 - $42.71

Q3 2015

Shares 1,071,748 Value ($000) $52,634 Avg Close $39.36 Range $32.59 - $44.66

Q2 2015

Shares 1,082,652 Value ($000) $62,512 Avg Close $40.38 Range $37.74 - $44.16

Q1 2015

Shares 956,768 Value ($000) $50,212 Avg Close $37.50 Range $33.19 - $41.20

Q4 2014

Shares 975,367 Value ($000) $53,997 Avg Close $41.63 Range $38.80 - $44.86

Q3 2014

Shares 983,270 Value ($000) $56,213 Avg Close $43.78 Range $40.91 - $46.57

Q2 2014

Shares 1,016,703 Value ($000) $63,646 Avg Close $44.09 Range $40.79 - $49.12

Q1 2014

Shares 1,044,563 Value ($000) $69,098 Avg Close $45.93 Range $43.33 - $49.26

Q4 2013

Shares 946,219 Value ($000) $59,981 Avg Close $45.63 Range $44.19 - $47.30

Q3 2013

Shares 952,340 Value ($000) $58,893 Avg Close $42.75 Range $37.32 - $44.78

Q2 2013

Shares 963,407 Value ($000) $49,895 Avg Close $34.46 Range $31.76 - $37.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	545,243	$37,682	$67.02	$60.57 - $73.29
Q3 2025	427,128	$28,340	$67.67	$63.46 - $74.18
Q2 2025	433,268	$30,433	$67.25	$60.04 - $72.70
Q1 2025	420,664	$30	$73.31	$66.80 - $80.01
Q4 2024	426,400	$32	$74.22	$66.18 - $83.29
Q3 2024	421,174	$30	$66.65	$55.87 - $71.88
Q2 2024	427,679	$26	$58.22	$54.44 - $62.43
Q1 2024	432,554	$28	$59.70	$56.68 - $64.40
Q4 2023	427,619	$29	$54.28	$45.97 - $64.31
Q3 2023	418,156	$23	$53.35	$48.77 - $58.41
Q2 2023	436,343	$25	$54.39	$50.59 - $57.41
Q1 2023	377,595	$23	$64.28	$52.50 - $70.99
Q4 2022	395,737	$29	$64.63	$59.65 - $68.25
Q3 2022	337,280	$22,490	$63.50	$58.02 - $69.17
Q2 2022	366,853	$25,045	$60.58	$56.98 - $64.74
Q1 2022	375,490	$26,051	$64.55	$60.39 - $70.34
Q4 2021	395,019	$28,560	$64.32	$59.91 - $68.28
Q3 2021	401,849	$28,583	$59.70	$55.90 - $62.92
Q2 2021	389,152	$27,941	$64.06	$60.17 - $66.82
Q1 2021	392,735	$29,412	$62.29	$56.53 - $71.07
Q4 2020	371,699	$25,781	$51.88	$42.58 - $59.87
Q3 2020	394,160	$20,429	$45.92	$41.21 - $50.74
Q2 2020	377,358	$22,407	$48.01	$36.28 - $60.59
Q1 2020	382,476	$18,455	$53.65	$34.90 - $61.90
Q4 2019	389,837	$28,025	$57.82	$54.46 - $60.79
Q3 2019	375,912	$26,551	$54.71	$50.54 - $58.76
Q2 2019	376,614	$24,876	$55.97	$50.28 - $60.20
Q1 2019	402,703	$27,810	$57.37	$49.53 - $60.55
Q4 2018	402,524	$25,078	$52.73	$45.81 - $57.68
Q3 2018	397,811	$27,589	$57.25	$53.45 - $60.59
Q2 2018	402,905	$27,543	$57.72	$53.48 - $60.82
Q1 2018	406,234	$29,504	$59.04	$54.26 - $62.33
Q4 2017	443,186	$31,054	$52.36	$48.50 - $57.45
Q3 2017	437,011	$28,725	$48.81	$43.48 - $51.97
Q2 2017	455,947	$29,290	$51.10	$47.48 - $55.76
Q1 2017	470,761	$32,817	$56.04	$50.62 - $60.04
Q4 2016	491,815	$35,302	$48.03	$40.52 - $56.81
Q3 2016	632,735	$34,731	$40.49	$35.05 - $42.93
Q2 2016	900,641	$45,923	$38.21	$32.83 - $41.39
Q1 2016	996,508	$46,228	$31.88	$25.29 - $36.03
Q4 2015	943,830	$45,172	$38.52	$34.73 - $42.71
Q3 2015	1,071,748	$52,634	$39.36	$32.59 - $44.66
Q2 2015	1,082,652	$62,512	$40.38	$37.74 - $44.16
Q1 2015	956,768	$50,212	$37.50	$33.19 - $41.20
Q4 2014	975,367	$53,997	$41.63	$38.80 - $44.86
Q3 2014	983,270	$56,213	$43.78	$40.91 - $46.57
Q2 2014	1,016,703	$63,646	$44.09	$40.79 - $49.12
Q1 2014	1,044,563	$69,098	$45.93	$43.33 - $49.26
Q4 2013	946,219	$59,981	$45.63	$44.19 - $47.30
Q3 2013	952,340	$58,893	$42.75	$37.32 - $44.78
Q2 2013	963,407	$49,895	$34.46	$31.76 - $37.71