As of November 6, 2026, 2 holders' latest Schedule 13D or 13G filings report owning 5% or more of First Northern Community Bancorp. The largest reported stake is Fourthstone LLC's, at 7.01%. 4 filings are on record since February 17, 2026 (Schedule 13G/A, August 14, 2026).
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Key facts
- · Reporting person: Fourthstone LLC · Sole voting: 0 · Shared voting: 1,150,060 · Sole dispositive: 0 · Shared dispositive: 1,150,060 · SCHEDULE 13G/A, 2026-08-14
- · Reporting person: M3 Funds, LLC · Sole voting: 0 · Shared voting: 244,872 · Sole dispositive: 0 · Shared dispositive: 244,872 · SCHEDULE 13G/A, 2026-08-11
- · Reporting person: BlackRock, Inc. · Sole voting: 1,040,558 · Shared voting: 0 · Sole dispositive: 1,051,266 · Shared dispositive: 0 · SCHEDULE 13G, 2026-07-28
- · Reporting person: Banc Fund IX L.P. · Sole voting: 0 · Shared voting: 0 · Sole dispositive: 0 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-02-17
First Northern Community Bancorp has 4 Schedule 13D or 13G filings on record since 2026-02-17. 2 holders' latest filing reports 5% or more of common stock, common stock, without par value. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| Fourthstone LLC | 7.01% | 1,150,060 | SCHEDULE 13G/A, 2026-08-14 | 2026-06-30 |
| BlackRock, Inc. | 6.4% | 1,051,266 | SCHEDULE 13G, 2026-07-28 | 2026-06-30 |
| Banc Fund X L.P. | 1.9% | 301,697 | SCHEDULE 13G/A, 2026-02-17 | 2025-12-31 |
| M3 Funds, LLC | 1.49% | 244,872 | SCHEDULE 13G/A, 2026-08-11 | 2026-06-30 |
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More on First Northern Community Bancorp and the records around it.
First Northern Community Bancorp elsewhere on the record
Companies that share a holder
- M3 Funds, LLC also filed stake reports on 12 other companies: AerSale Corp. (Oct 2026), BANKFINANCIAL CORP (Feb 2026), PONCE FINANCIAL GROUP, INC. (Feb 2026)
- Banc Fund IX L.P. also filed stake reports on 14 other companies: Citizens Community Bancorp, Inc. (Feb 2026), First Western Financial Inc (Feb 2026), Investar Holding Corp (Feb 2026)
- Fourthstone LLC also filed stake reports on 43 other companies: AVIDBANK HOLDINGS, INC. (Aug 2026), CF Bankshares Inc. (Aug 2026), Colony Bankcorp Inc (Aug 2026)
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What the Full Report on First Northern Community Bancorp covers
The Short Answer
Which Company This Is
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| Fourthstone LLC | 0 | 1,150,060 | 0 | 1,150,060 | SCHEDULE 13G/A, 2026-08-14 |
| Fourthstone Master Opportunity Fund Ltd | 0 | 861,324 | 0 | 861,324 | SCHEDULE 13G/A, 2026-08-14 |
| Fourthstone GP LLC | 0 | 288,736 | 0 | 288,736 | SCHEDULE 13G/A, 2026-08-14 |
| Fourthstone QP Opportunity Fund LP | 0 | 238,455 | 0 | 238,455 | SCHEDULE 13G/A, 2026-08-14 |
| Fourthstone Small-Cap Financials Fund LP | 0 | 50,281 | 0 | 50,281 | SCHEDULE 13G/A, 2026-08-14 |
| L. Phillip Stone, IV | 0 | 1,150,060 | 0 | 1,150,060 | SCHEDULE 13G/A, 2026-08-14 |
| BlackRock, Inc. | 1,040,558 | 0 | 1,051,266 | 0 | SCHEDULE 13G, 2026-07-28 |
| Banc Fund IX L.P. | 0 | 0 | 0 | 0 | SCHEDULE 13G/A, 2026-02-17 |
| Banc Fund X L.P. | 301,697 | 0 | 301,697 | 0 | SCHEDULE 13G/A, 2026-02-17 |
| TBFC Financial Technologies Fund L.P. | 0 | 0 | 0 | 0 | SCHEDULE 13G/A, 2026-02-17 |
| Banc Funds Co LLC | 0 | 0 | 0 | 0 | SCHEDULE 13G/A, 2026-02-17 |
| M3 Funds, LLC | 0 | 244,872 | 0 | 244,872 | SCHEDULE 13G/A, 2026-08-11 |
| M3 Partners, LP | 0 | 244,872 | 0 | 244,872 | SCHEDULE 13G/A, 2026-08-11 |
| M3F, Inc. | 0 | 244,872 | 0 | 244,872 | SCHEDULE 13G/A, 2026-08-11 |
| Jason A. Stock | 0 | 244,872 | 0 | 244,872 | SCHEDULE 13G/A, 2026-08-11 |
| William C. Waller | 0 | 244,872 | 0 | 244,872 | SCHEDULE 13G/A, 2026-08-11 |
The latest filing identifies First Northern Community Bancorp by CUSIP 335925103 and gives its principal executive office as 195 N. First Street, Dixon, CA 95620 (SCHEDULE 13G/A, 2026-08-14).
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2026-02-17 | Banc Fund X L.P. | 1.9% | SCHEDULE 13G/A |
| 2026-07-28 | BlackRock, Inc. | 6.4% | SCHEDULE 13G |
| 2026-08-11 | M3 Funds, LLC | 1.49% | SCHEDULE 13G/A |
| 2026-08-14 | Fourthstone LLC | 7.01% | SCHEDULE 13G/A |
Questions about who owns First Northern Community Bancorp
Who owns First Northern Community Bancorp?
On this page, 2 holders' latest ownership filings report 5% or more of First Northern Community Bancorp: Fourthstone LLC (7.01%, Schedule 13G/A, filed 2026-08-14) and BlackRock, Inc. (6.4%, Schedule 13G, filed 2026-07-28).
Who are the largest shareholders of First Northern Community Bancorp?
By the share each holder's latest filing reports, the largest holders of First Northern Community Bancorp on this page are Fourthstone LLC (7.01%) and BlackRock, Inc. (6.4%).
When did Fourthstone LLC buy into First Northern Community Bancorp?
The filings give report dates, not purchase dates. The earliest filing from Fourthstone LLC on this page is the Schedule 13G/A, filed 2026-08-14, reporting 7.01%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 4 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.