MBCN is the ticker symbol for MIDDLEFIELD BANC CORP, a publicly traded Financials sector company listed on Nasdaq. 13F Pro tracks MBCN with AI-powered analysis, an AI quality score, SEC EDGAR financials, insider transactions, and institutional 13F holdings — all sourced directly from public SEC filings.

Is MBCN a good stock to buy?

MBCN is tracked on 13F Pro with SEC EDGAR data, but is not currently included in our AI quality ranking. The full company profile with financials and AI insights is at https://13fpro.ai/company/MBCN.

Where does 13F Pro source MBCN data?

All MIDDLEFIELD BANC CORP fundamentals and ownership data come directly from SEC EDGAR. MIDDLEFIELD BANC CORP files with the SEC under CIK 836147. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

MIDDLEFIELD BANC CORP MBCN

NasdaqSmall CapFinancials

13F Pro Quality Score

Not in ranked universe

Pending next ranking run

This company passes all size and coverage filters but hasn't been included in the latest quarterly ranking run. Rankings refresh on Jan 1, Apr 1, Jul 1, Oct 1.

Financial data, filings, and institutional holdings below are still tracked in full — only the proprietary quality composite is unavailable for this name.

Revenue

$19.89M

Quarter to Sep 30

Net income

$5.32M

Quarter to Sep 30

Free cash flow

$3.39M

Quarter to Sep 30

Operating margin

32.2%

Quarter to Sep 30

Top Institutional Holders

as of Q1 2026

$67 total

IFP Advisors, Inc

$670.0%

See all 1 institutional holders →

Reading the latest SEC filing…

Key Metrics

Revenue

Q3 2025

EDGAR

Net Income

Q3 2025

EDGAR

EPS (Diluted)

Q3 2025

EDGAR

Operating Margin

Q3 2025

EDGAR

ROIC

Q3 2025

EDGAR

Free Cash Flow

Q3 2025

EDGAR

Financial Trends

Revenue & Net Income

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Earnings Per Share

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MBCN key financials by period

Reported revenue, net income and operating margin by fiscal year, from MIDDLEFIELD BANC CORP's annual filings on SEC EDGAR.

MIDDLEFIELD BANC CORP reported revenue, net income and margins by fiscal period, from SEC filings.
Period	Form	Revenue	Net income	Op. marginOperating margin
FY 2024	10-K	$67.9M	$15.5M	27.0%
FY 2023	10-K	$71.9M	$17.4M	28.9%
FY 2022	10-K	$56.9M	$15.7M	33.2%
FY 2021	10-K	$55.4M	$18.6M	41.0%
FY 2020	10-K	$49.4M	$8.3M	19.8%
FY 2019	10-K	$46.2M	$12.7M	33.1%

Source: MBCN filings on SEC EDGAR →

MBCN insiders

Officers, directors and 10% owners with a Form 4 filed in the last 24 months, most recent first. From SEC EDGAR.

Winters Sarah AEVP/CHRODisposition to issuer · Mar 2, 2026
Wilson Thomas MEVP-Chief Strategy OfficerDisposition to issuer · Mar 2, 2026
Noblit Rebecca AEVP-Chief Credit OfficerDisposition to issuer · Mar 2, 2026
Cheravitch Michael LEVP-Chief Banking OfficerDisposition to issuer · Mar 2, 2026
Erminio Courtney MEVP/Chief Risk OfficerDisposition to issuer · Mar 2, 2026
Ranttila MichaelEVP/CFODisposition to issuer · Mar 2, 2026
Zimmerly Ronald Len Jr.Chief Executive OfficerDisposition to issuer · Mar 2, 2026
Moeller Jennifer LDirectorDisposition to issuer · Mar 2, 2026
Mccaskey James JDirectorDisposition to issuer · Mar 2, 2026
Jones Kenneth EDirectorDisposition to issuer · Mar 2, 2026

About MIDDLEFIELD BANC CORP (MBCN): stock profile, AI score and financials

MIDDLEFIELD BANC CORP (MBCN) stock profile, AI quality score, and SEC EDGAR financial data, a Financials sector company. MBCN is not currently included in 13F Pro's AI-ranked quality universe — this company passes all size and coverage filters but hasn't been included in the latest quarterly ranking run. rankings refresh on jan 1, apr 1, jul 1, oct 1. Based on the latest XBRL financial filings (Q3 2025), MIDDLEFIELD BANC CORP reports quarterly revenue of $19.9M, net income of $5.3M, an operating margin of 32.2%. MBCN trades on the Nasdaq exchange and files with the SEC under CIK 836147. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate MBCN daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for MIDDLEFIELD BANC CORP directly from SEC EDGAR.

Financials through the period ended Sep 30, 2025SEC EDGAR: CIK 836147 →