---
schema_version: "secwatch.filing_event.v1"
accession: "0001437749-25-031359"
form_type: "8-K"
ticker: "ISTR"
cik: "0001602658"
company_name: "Investar Holding Corp"
filed_at: "2025-10-20T23:59:59+00:00"
generated_at: "2026-05-17T03:13:51.239515+00:00"
event_type: "litigation"
sentiment: "negative"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# Investar faces shareholder lawsuits over merger disclosures; adds supplemental proxy data

## Summary
- Shareholder lawsuits filed Oct 1, 2025 in NY Supreme Court (Murphy and Scott) challenge merger proxy disclosures.
- Lawsuits allege negligent misrepresentation/concealment; seek injunction and rescissory damages.
- Company believes claims meritless but voluntarily supplements proxy with valuation tables to avoid delay.
- Supplemental disclosures include updated comparable company, merger transaction, and DCF analyses for WFB.
- Special shareholder meetings to vote on merger scheduled Oct 23 (WFB) and Oct 24, 2025 (Investar).

## SEC filing metadata
- accession: 0001437749-25-031359
- form_type: 8-K
- ticker: ISTR
- cik: 0001602658
- company_name: Investar Holding Corp
- filed_at: 2025-10-20T23:59:59+00:00
- event_type: litigation
- sentiment: negative
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 8.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1602658/000143774925031359/0001437749-25-031359-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1602658/000143774925031359/istr20251020c_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001437749-25-031359
- JSON: https://secwatch.observer/filing/0001437749-25-031359.json
- Plain text: https://secwatch.observer/filing/0001437749-25-031359.txt

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