MIDDLEFIELD BANC CORP

$MBCN

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Institutional coverage

1 13F filers hold $MBCN.

13F holders

Insider buys · 90d

Congress · 90d

Smart Money · top-200 alpha cohort

No exposure this quarter

No top-200 alpha managers currently hold $MBCN. The institutional holders table below shows the broader 13F picture.

Institutional holders

Top 1 of 1 · Source: 13F-HR

Vanguard Group Inc.

—

411,069 sh

Insider activity · last 90 days

50 transactions · 15 filers

02 Mar 2026

Bevan Thomas W —

· D

26,530

—

02 Mar 2026

Bevan Thomas W —

· D

26,558

—

02 Mar 2026

Voinovich Michael C —

· D

8,965

—

02 Mar 2026

Voinovich Michael C —

· D

2,402

—

02 Mar 2026

Voinovich Michael C —

· D

1,500

—

02 Mar 2026

Voinovich Michael C —

· D

768

—

02 Mar 2026

Voinovich Michael C —

· D

9,252

—

02 Mar 2026

Voinovich Michael C —

· D

3,527

—

02 Mar 2026

Noblit Rebecca A —

· D

21,427

—

02 Mar 2026

Turk Carolyn J —

· D

32,560

—

02 Mar 2026

Skidmore William J —

· D

2,013

—

02 Mar 2026

Skidmore William J —

· D

20,742

—

Transaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.

Congress trades · last 90 days

No Congress trades

No STOCK Act filings reference $MBCN in the recent window.

Convergence · $MBCN

active pattern signal

Pattern 04 · Hedge reversal

MBCN

MIDDLEFIELD BANC CORP 6 of top-10 funds exited · held through 2025-12-31 · exit Q 2026-03-31

Pattern cards reflect public SEC EDGAR and Congressional filing data only. Detection uses filing dates; trade execution dates may differ. Past convergence patterns do not predict future returns. Nothing here is investment advice.

Source data: SEC EDGAR · 13F-HR · Form 4 · U.S. House Clerk PTR (disclosures-clerk.house.gov) · Senate eFD (senate.gov) · Last refreshed 12:16 UTC.