---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-26-000650"
form_type: "8-K"
ticker: "ISTR"
cik: "0001602658"
company_name: "Investar Holding Corp"
filed_at: "2026-01-06T23:59:59+00:00"
generated_at: "2026-05-16T11:32:23.848468+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Investar completes $112.9M acquisition of Wichita Falls Bancshares, adds $1.2B assets

## Summary
- Aggregate consideration: 3,955,334 shares of ISTR common stock + $7.2M cash, total $112.9M.
- First National Bank had $1.2B total assets, $1.0B net loans, $1.0B deposits as of Dec 31, 2025.
- Assumed $9.3M in junior subordinated debentures (SOFR+3.1%, maturing 2033) and a $10M TIB note.
- David Flack and James Dunkerley appointed to the boards of Investar and Investar Bank.
- CEO says deal expands into north Dallas and Wichita Falls markets; aligns with multi-state strategy.

## SEC filing metadata
- accession: 0001437749-26-000650
- form_type: 8-K
- ticker: ISTR
- cik: 0001602658
- company_name: Investar Holding Corp
- filed_at: 2026-01-06T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 2.01, 2.03, 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1602658/000143774926000650/0001437749-26-000650-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1602658/000143774926000650/istr20251230_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-26-000650
- JSON: https://secwatch.observer/filing/0001437749-26-000650.json
- Plain text: https://secwatch.observer/filing/0001437749-26-000650.txt

## Source-grounded claims
- claim_id: 79e23640ef28a37174b80374b0bdb77e402fcb9a
  claim: Investar Holding Corp incurred senior notes of $9.3 million at three-month SOFR rate plus 3.1% maturing June 26, 2033.
  evidence_excerpt: Investar assumed WFB’s obligations with respect to an aggregate principal amount of $9.3 million of junior subordinated debentures (the “Debentures”) underlying $9.0 million in aggregate liquidation amount of trust preferred securities, comprised of (i) $6,186,000 in aggregate principal amount issued to Wichita Falls Statutory Trust I and (ii) $3,093,000 in aggregate principal amount issued to Chico Statutory Trust I.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1602658/000143774926000650/0001437749-26-000650-index.htm
- claim_id: fcc72c5d0153ade4b112ad67cc59348dad869a8f
  claim: Investar Holding Corp incurred loan of $10.0 million with TIB, N.A. at Wall Street Journal prime rate.
  evidence_excerpt: Investar assumed WFB’s obligations on an unsecured basis with respect to a $10.0 million note to TIB, N.A.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1602658/000143774926000650/0001437749-26-000650-index.htm
- claim_id: 91e31d585ffa289a7cce3e4d393dbaca76d5ef1c
  claim: Investar Holding Corp completed an acquisition involving Wichita Falls Bancshares, Inc. for 3,955,334 shares of common stock and $7.2 million in cash (closed 2026-01-01).
  evidence_excerpt: the merger of First National Bank with and into Investar Bank, with Investar Bank as the surviving bank. Under the terms of the Merger Agreement, Investar issued an aggregate of 3,955,334 shares of its common stock and $7.2 million in cash to the shareholders of WFB as consideration for the exchange of their shares of WFB common stock. The foregoing description of
  evidence_url: https://www.sec.gov/Archives/edgar/data/1602658/000143774926000650/0001437749-26-000650-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.