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BCS

Changes in Beneficial Ownership · 4

Middlefield Banc Corp.

Changes in Beneficial Ownership

Filed Mar 2, 2026Accepted Mar 2, 2026, 2:10 AM ESTFiling CIK 836147Accession 0001437749-26-006221
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Structured filing — 4

rdgdoc.xml

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Filing details

Report period
2026-03-02
Issuer
MIDDLEFIELD BANC CORP
Issuer CIK
0000836147
Trading symbol
MBCN
No longer subject to Section 16
Checked

Reporting owner 1

Name
DiGeronimo Kevin A
Reporting owner CIK
0001888936
Relationship
Director
Address
15985 EAST HIGH STREET, MIDDLEFIELD, OH, 44062

Non-derivative transactions

Non-derivative transactions · 1 reported row
SecurityTransaction dateCodeAmountA / DPrice (USD)Owned afterOwnership
Common Stock2026-03-02D · Form 45,071D[F1]0D
Table key
D · Form 4
Disposition to the issuer under Rule 16b-3(e)
D
Direct

Footnotes

F1
Disposed of pursuant to the Agreement and Plan of Merger, dated October 22, 2025 (the "Agreement"), by and between Middlefield Banc Corp. ("Middlefield") and Farmers National Banc Corp. ("Farmers"), pursuant when Middlefield merged with and into Farmers on March 2, 2026 (the "Closing Date"). Pursuant to the Agreement each share of Middlefield common stock issued and outstanding immediately prior to the effective time of the Merger (the "Effective Time") (other than certain shares held by Middlefield or Farmers) was converted into the right to receive 2.6 shares (the "Exchange Ration") of Farmers common stock.↩ 1

Signature 1

Signed
/s/ Kevin A. DiGeronimo by Julie E. Shaw Power of Attorney
Date
2026-03-02

Company context

Middlefield Banc Corp., headquartered in Middlefield, Ohio, is the Bank holding Company of The Middlefield Banking Company, with total assets of $1.98 billion at September 30, 2025. The Bank operates 21 full-service banking centers and an LPL Financial® brokerage office serving Ada, Beachwood, Bellefontaine, Chardon, Cortland, Dublin, Garrettsville, Kenton, Mantua, Marysville, Middlefield, Newbury, Orwell, Plain City, Powell, Solon, Sunbury, Twinsburg, and Westerville. The Bank also operates a Loan Production Office in Mentor, Ohio.

Historical securities (1)

Recent company filings

  1. 15-12G filingMar 12, 2026
  2. 25-NSE - filed by Nasdaq Stock Market LLC regarding MIDDLEFIELD BANC CORPMar 2, 2026
  3. 4 filingMar 2, 2026
  4. 4 filingMar 2, 2026
  5. 4 filingMar 2, 2026

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