MIDDLEFIELD BANC CORP

Ticker: MBCN CUSIP: 596304204 Class: Common Stock

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2025

Shares 105,015 Value ($000) $3,627 Avg Close $32.90 Range $26.92 - $37.45

Q3 2025

Shares 197,516 Value ($000) $5,927 Avg Close $29.58 Range $26.13 - $33.52

Q2 2025

Shares 179,712 Value ($000) $5,411 Avg Close $27.24 Range $22.16 - $30.21

Q1 2025

Shares 181,131 Value ($000) $5,063 Avg Close $25.31 Range $23.25 - $29.04

Q4 2024

Shares 174,205 Value ($000) $4,886 Avg Close $28.61 Range $25.65 - $32.65

Q3 2024

Shares 184,148 Value ($000) $5,303 Avg Close $24.58 Range $20.54 - $28.56

Q2 2024

Shares 171,254 Value ($000) $4,119 Avg Close $21.13 Range $19.65 - $23.36

Q1 2024

Shares 137,215 Value ($000) $3,277 Avg Close $24.72 Range $21.50 - $30.82

Q4 2023

Shares 144,573 Value ($000) $4,680 Avg Close $26.84 Range $22.80 - $34.65

Q3 2023

Shares 196,732 Value ($000) $4,999 Avg Close $25.38 Range $22.86 - $27.84

Q2 2023

Shares 241,734 Value ($000) $6,478 Avg Close $23.96 Range $20.20 - $27.01

Q1 2023

Shares 264,485 Value ($000) $7,410 Avg Close $25.28 Range $23.59 - $26.95

Q4 2022

Shares 32,955 Value ($000) $903 Avg Close $25.80 Range $24.37 - $26.95

Q2 2022

Shares 48,932 Value ($000) $1,233 Avg Close $22.49 Range $21.27 - $27.15

Q1 2022

Shares 42,080 Value ($000) $1,044 Avg Close $22.38 Range $20.97 - $23.07

Q4 2021

Shares 91,443 Value ($000) $2,268 Avg Close $22.11 Range $20.40 - $24.26

Q3 2021

Shares 96,552 Value ($000) $2,300 Avg Close $20.62 Range $19.79 - $21.46

Q2 2021

Shares 39,165 Value ($000) $924 Avg Close $19.71 Range $17.63 - $22.47

Q1 2021

Shares 34,914 Value ($000) $732 Avg Close $19.06 Range $15.95 - $22.71

Q4 2020

Shares 32,896 Value ($000) $740 Avg Close $17.94 Range $15.95 - $20.42

Q3 2020

Shares 36,480 Value ($000) $704 Avg Close $15.58 Range $14.45 - $18.27

Q2 2020

Shares 25,726 Value ($000) $534 Avg Close $15.54 Range $12.67 - $19.38

Q1 2020

Shares 49,490 Value ($000) $782 Avg Close $18.83 Range $10.03 - $23.03

Q4 2019

Shares 33,526 Value ($000) $875 Avg Close $20.32 Range $18.69 - $23.92

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	105,015	$3,627	$32.90	$26.92 - $37.45
Q3 2025	197,516	$5,927	$29.58	$26.13 - $33.52
Q2 2025	179,712	$5,411	$27.24	$22.16 - $30.21
Q1 2025	181,131	$5,063	$25.31	$23.25 - $29.04
Q4 2024	174,205	$4,886	$28.61	$25.65 - $32.65
Q3 2024	184,148	$5,303	$24.58	$20.54 - $28.56
Q2 2024	171,254	$4,119	$21.13	$19.65 - $23.36
Q1 2024	137,215	$3,277	$24.72	$21.50 - $30.82
Q4 2023	144,573	$4,680	$26.84	$22.80 - $34.65
Q3 2023	196,732	$4,999	$25.38	$22.86 - $27.84
Q2 2023	241,734	$6,478	$23.96	$20.20 - $27.01
Q1 2023	264,485	$7,410	$25.28	$23.59 - $26.95
Q4 2022	32,955	$903	$25.80	$24.37 - $26.95
Q2 2022	48,932	$1,233	$22.49	$21.27 - $27.15
Q1 2022	42,080	$1,044	$22.38	$20.97 - $23.07
Q4 2021	91,443	$2,268	$22.11	$20.40 - $24.26
Q3 2021	96,552	$2,300	$20.62	$19.79 - $21.46
Q2 2021	39,165	$924	$19.71	$17.63 - $22.47
Q1 2021	34,914	$732	$19.06	$15.95 - $22.71
Q4 2020	32,896	$740	$17.94	$15.95 - $20.42
Q3 2020	36,480	$704	$15.58	$14.45 - $18.27
Q2 2020	25,726	$534	$15.54	$12.67 - $19.38
Q1 2020	49,490	$782	$18.83	$10.03 - $23.03
Q4 2019	33,526	$875	$20.32	$18.69 - $23.92