Investar Holding Corp (ISTR): auditor change — Investar Holding Corp replaces auditor Horne LLP with BDO USA P.C. effective Nov 1, 2025

Investar Holding Corp

Horne LLP resigned as independent auditor on Nov 1, 2025; BDO USA P.C. appointed on Nov 3, 2025 with Audit Committee approval.
No adverse opinions, disagreements, or reportable events in FY2024, FY2023, or through Oct 31, 2025.
No prior consultations with BDO on accounting principles or audit scope before engagement.

item 4.01 item 9.01

Key facts

Extracted from this filing and checked against the source text.

Auditor Changes SEC 8-K Item 4.01/4.02 confidence 0.9

HORNE LLP resigned as auditor of Investar Holding Corp.

Action: resignation
Auditor: HORNE LLP

Exact text from the filing

☐ Item 4.01 Changes in Registrant's Certifying Accountant On November 1, 2025, the partners and professional staff of HORNE LLP (“Horne”), which was engaged as the independent registered public accounting firm of the registrant, Investar Holding Corporation (the “Company”), joined BDO USA, P.C. (“BDO”). As a result of this transaction, Horne resigned as the Company’s independent registered public accounting firm on November 1, 2025. On November 3, 2025, following the resignation of Horne, the Company, through and with the approval of its Audit Committee, appointed BDO as its independent registered public accounting firm.

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Auditor Changes SEC 8-K Item 4.01/4.02 confidence 0.9

Investar Holding Corp engaged BDO USA, P.C. as its auditor.

Action: engagement
Auditor: BDO USA, P.C.

Exact text from the filing

On November 3, 2025, following the resignation of Horne, the Company, through and with the approval of its Audit Committee, appointed BDO as its independent registered public accounting firm.

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Source: SEC EDGAR

accession 0001437749-25-032815

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