---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-26-010364"
form_type: "8-K"
ticker: "ISTR"
cik: "0001602658"
company_name: "Investar Holding Corp"
filed_at: "2026-03-30T23:59:59+00:00"
generated_at: "2026-05-15T08:23:25.511483+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Investar files pro forma financials for Wichita Falls Bancshares merger; combined assets $3.99B

## Summary
- Total transaction value of $112.9M: 3.955M shares of ISTR common stock at $26.72/share plus $7.2M cash.
- Pro forma net income for 2025: $32.7M, diluted EPS $2.32, including $9.1M accretion from loan fair value marks.
- Pro forma total assets $3.99B, loans $3.14B, deposits $3.37B; goodwill of $16.7M recorded.
- WFB contributed $981.6M loans, $1.02B deposits; loan fair value mark of $21.9M (premium).
- Core deposit intangible of $13.6M recognized; estimated annual amortization $2.0M.

## SEC filing metadata
- accession: 0001437749-26-010364
- form_type: 8-K
- ticker: ISTR
- cik: 0001602658
- company_name: Investar Holding Corp
- filed_at: 2026-03-30T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1602658/000143774926010364/0001437749-26-010364-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1602658/000143774926010364/istr20260320_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-26-010364
- JSON: https://secwatch.observer/filing/0001437749-26-010364.json
- Plain text: https://secwatch.observer/filing/0001437749-26-010364.txt

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