MIDDLEFIELD BANC CORP

Ticker: MBCN CUSIP: 596304204 Class: Common Stock

BRIDGEWAY CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001107261)

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

Q4 2025

Shares 50,775 Value ($000) $1,754 Avg Close $32.90 Range $26.92 - $37.45

Q3 2025

Shares 50,422 Value ($000) $1,513 Avg Close $29.58 Range $26.13 - $33.52

Q2 2025

Shares 48,603 Value ($000) $1,463 Avg Close $27.24 Range $22.16 - $30.21

Q1 2025

Shares 47,863 Value ($000) $1,338 Avg Close $25.31 Range $23.25 - $29.04

Q4 2024

Shares 49,638 Value ($000) $1,392 Avg Close $28.61 Range $25.65 - $32.65

Q3 2024

Shares 50,536 Value ($000) $1,455 Avg Close $24.58 Range $20.54 - $28.56

Q2 2024

Shares 49,732 Value ($000) $1,196 Avg Close $21.13 Range $19.65 - $23.36

Q1 2024

Shares 48,652 Value ($000) $1,162 Avg Close $24.72 Range $21.50 - $30.82

Q4 2023

Shares 49,519 Value ($000) $1,603 Avg Close $26.84 Range $22.80 - $34.65

Q3 2023

Shares 48,175 Value ($000) $1,224 Avg Close $25.38 Range $22.86 - $27.84

Q2 2023

Shares 47,069 Value ($000) $1,261 Avg Close $23.96 Range $20.20 - $27.01

Q1 2023

Shares 48,235 Value ($000) $1,351 Avg Close $25.28 Range $23.59 - $26.95

Q4 2022

Shares 48,900 Value ($000) $1,340 Avg Close $25.80 Range $24.37 - $26.95

Q3 2022

Shares 47,300 Value ($000) $1,282 Avg Close $23.76 Range $21.70 - $25.82

Q2 2022

Shares 47,300 Value ($000) $1,192 Avg Close $22.49 Range $21.27 - $27.15

Q1 2022

Shares 47,300 Value ($000) $1,174 Avg Close $22.38 Range $20.97 - $23.07

Q4 2021

Shares 47,300 Value ($000) $1,174 Avg Close $22.11 Range $20.40 - $24.26

Q3 2021

Shares 47,300 Value ($000) $1,139 Avg Close $20.62 Range $19.79 - $21.46

Q2 2021

Shares 47,300 Value ($000) $1,116 Avg Close $19.71 Range $17.63 - $22.47

Q1 2021

Shares 47,300 Value ($000) $991 Avg Close $19.06 Range $15.95 - $22.71

Q4 2020

Shares 47,300 Value ($000) $1,064 Avg Close $17.94 Range $15.95 - $20.42

Q3 2020

Shares 47,300 Value ($000) $913 Avg Close $15.58 Range $14.45 - $18.27

Q2 2020

Shares 47,300 Value ($000) $981 Avg Close $15.54 Range $12.67 - $19.38

Q1 2020

Shares 38,000 Value ($000) $601 Avg Close $18.83 Range $10.03 - $23.03

Q4 2019

Shares 38,000 Value ($000) $991 Avg Close $20.32 Range $18.69 - $23.92

Q3 2019

Shares 19,000 Value ($000) $890 Avg Close $18.55 Range $16.36 - $20.84

Q2 2019

Shares 19,000 Value ($000) $779 Avg Close $16.39 Range $15.81 - $17.68

Q1 2019

Shares 19,000 Value ($000) $783 Avg Close $17.33 Range $16.11 - $18.21

Q4 2018

Shares 19,000 Value ($000) $806 Avg Close $18.11 Range $15.59 - $19.49

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	50,775	$1,754	$32.90	$26.92 - $37.45
Q3 2025	50,422	$1,513	$29.58	$26.13 - $33.52
Q2 2025	48,603	$1,463	$27.24	$22.16 - $30.21
Q1 2025	47,863	$1,338	$25.31	$23.25 - $29.04
Q4 2024	49,638	$1,392	$28.61	$25.65 - $32.65
Q3 2024	50,536	$1,455	$24.58	$20.54 - $28.56
Q2 2024	49,732	$1,196	$21.13	$19.65 - $23.36
Q1 2024	48,652	$1,162	$24.72	$21.50 - $30.82
Q4 2023	49,519	$1,603	$26.84	$22.80 - $34.65
Q3 2023	48,175	$1,224	$25.38	$22.86 - $27.84
Q2 2023	47,069	$1,261	$23.96	$20.20 - $27.01
Q1 2023	48,235	$1,351	$25.28	$23.59 - $26.95
Q4 2022	48,900	$1,340	$25.80	$24.37 - $26.95
Q3 2022	47,300	$1,282	$23.76	$21.70 - $25.82
Q2 2022	47,300	$1,192	$22.49	$21.27 - $27.15
Q1 2022	47,300	$1,174	$22.38	$20.97 - $23.07
Q4 2021	47,300	$1,174	$22.11	$20.40 - $24.26
Q3 2021	47,300	$1,139	$20.62	$19.79 - $21.46
Q2 2021	47,300	$1,116	$19.71	$17.63 - $22.47
Q1 2021	47,300	$991	$19.06	$15.95 - $22.71
Q4 2020	47,300	$1,064	$17.94	$15.95 - $20.42
Q3 2020	47,300	$913	$15.58	$14.45 - $18.27
Q2 2020	47,300	$981	$15.54	$12.67 - $19.38
Q1 2020	38,000	$601	$18.83	$10.03 - $23.03
Q4 2019	38,000	$991	$20.32	$18.69 - $23.92
Q3 2019	19,000	$890	$18.55	$16.36 - $20.84
Q2 2019	19,000	$779	$16.39	$15.81 - $17.68
Q1 2019	19,000	$783	$17.33	$16.11 - $18.21
Q4 2018	19,000	$806	$18.11	$15.59 - $19.49