INTERNATIONAL BANCSHARES COR

Ticker: IBOC CUSIP: 459044103 Class: Common Stock

Tamar Securities, LLC's Holding History (CIK: 0001703081)

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

Q4 2025

Shares 738,357 Value ($000) $49,056 Avg Close $67.01 Range $62.56 - $72.92

Q3 2025

Shares 732,836 Value ($000) $50,382 Avg Close $68.84 Range $64.80 - $72.84

Q2 2025

Shares 722,637 Value ($000) $48,099 Avg Close $61.16 Range $53.03 - $65.91

Q1 2025

Shares 718,117 Value ($000) $45,284 Avg Close $63.01 Range $59.03 - $66.45

Q4 2024

Shares 608,674 Value ($000) $38,444 Avg Close $64.31 Range $55.02 - $74.57

Q3 2024

Shares 602,142 Value ($000) $36,002 Avg Close $59.23 Range $53.39 - $66.98

Q2 2024

Shares 562,908 Value ($000) $32,204 Avg Close $53.95 Range $49.66 - $58.92

Q1 2024

Shares 572,649 Value ($000) $32,149 Avg Close $50.58 Range $46.83 - $54.17

Q4 2023

Shares 574,453 Value ($000) $31,204 Avg Close $43.92 Range $39.99 - $51.79

Q3 2023

Shares 558,355 Value ($000) $24,199 Avg Close $43.02 Range $39.71 - $46.69

Q2 2023

Shares 561,320 Value ($000) $24,810 Avg Close $40.61 Range $36.51 - $45.70

Q1 2023

Shares 550,109 Value ($000) $23,556 Avg Close $42.17 Range $38.10 - $46.22

Q4 2022

Shares 541,703 Value ($000) $24,788 Avg Close $44.35 Range $39.22 - $49.48

Q3 2022

Shares 531,336 Value ($000) $22,582 Avg Close $39.04 Range $35.07 - $42.40

Q2 2022

Shares 530,723 Value ($000) $21,271 Avg Close $37.07 Range $34.54 - $40.02

Q1 2022

Shares 522,059 Value ($000) $22,036 Avg Close $38.77 Range $35.38 - $41.22

Q4 2021

Shares 513,255 Value ($000) $21,757 Avg Close $38.47 Range $35.19 - $41.83

Q3 2021

Shares 510,632 Value ($000) $21,263 Avg Close $36.31 Range $33.32 - $38.77

Q2 2021

Shares 488,135 Value ($000) $20,961 Avg Close $41.25 Range $37.87 - $44.53

Q1 2021

Shares 496,092 Value ($000) $23,029 Avg Close $38.61 Range $31.29 - $46.88

Q4 2020

Shares 486,630 Value ($000) $18,219 Avg Close $27.63 Range $22.16 - $33.74

Q3 2020

Shares 480,600 Value ($000) $12,524 Avg Close $26.17 Range $21.96 - $30.42

Q2 2020

Shares 466,054 Value ($000) $14,923 Avg Close $24.58 Range $19.95 - $30.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	738,357	$49,056	$67.01	$62.56 - $72.92
Q3 2025	732,836	$50,382	$68.84	$64.80 - $72.84
Q2 2025	722,637	$48,099	$61.16	$53.03 - $65.91
Q1 2025	718,117	$45,284	$63.01	$59.03 - $66.45
Q4 2024	608,674	$38,444	$64.31	$55.02 - $74.57
Q3 2024	602,142	$36,002	$59.23	$53.39 - $66.98
Q2 2024	562,908	$32,204	$53.95	$49.66 - $58.92
Q1 2024	572,649	$32,149	$50.58	$46.83 - $54.17
Q4 2023	574,453	$31,204	$43.92	$39.99 - $51.79
Q3 2023	558,355	$24,199	$43.02	$39.71 - $46.69
Q2 2023	561,320	$24,810	$40.61	$36.51 - $45.70
Q1 2023	550,109	$23,556	$42.17	$38.10 - $46.22
Q4 2022	541,703	$24,788	$44.35	$39.22 - $49.48
Q3 2022	531,336	$22,582	$39.04	$35.07 - $42.40
Q2 2022	530,723	$21,271	$37.07	$34.54 - $40.02
Q1 2022	522,059	$22,036	$38.77	$35.38 - $41.22
Q4 2021	513,255	$21,757	$38.47	$35.19 - $41.83
Q3 2021	510,632	$21,263	$36.31	$33.32 - $38.77
Q2 2021	488,135	$20,961	$41.25	$37.87 - $44.53
Q1 2021	496,092	$23,029	$38.61	$31.29 - $46.88
Q4 2020	486,630	$18,219	$27.63	$22.16 - $33.74
Q3 2020	480,600	$12,524	$26.17	$21.96 - $30.42
Q2 2020	466,054	$14,923	$24.58	$19.95 - $30.10