---
schema_version: "secwatch.filing_event.v1"
accession: "0000732417-26-000065"
form_type: "8-K"
ticker: "HBIA"
cik: "0000732417"
company_name: "HILLS BANCORPORATION"
filed_at: "2026-05-20T15:53:21+00:00"
generated_at: "2026-05-20T15:54:57.985217+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Hills Bancorporation approves 2-for-1 stock split; authorized shares doubled to 40M

## Summary
- Board increased authorized common shares from 20M to 40M via Articles of Amendment.
- Two-for-one stock split; one additional share issued for each share held.
- Record date June 1, 2026; stock split effective June 8, 2026.
- Amendment filed with Iowa Secretary of State on May 15, 2026.

## SEC filing metadata
- accession: 0000732417-26-000065
- form_type: 8-K
- ticker: HBIA
- cik: 0000732417
- company_name: HILLS BANCORPORATION
- filed_at: 2026-05-20T15:53:21+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.03, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/732417/000073241726000065/0000732417-26-000065-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/732417/000073241726000065/hbia-20260515.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000732417-26-000065
- JSON: https://secwatch.observer/filing/0000732417-26-000065.json
- Plain text: https://secwatch.observer/filing/0000732417-26-000065.txt

## Key facts
- Governance Changes
  HILLS BANCORPORATION: Articles amended to increase authorized common stock from 20,000,000 to 40,000,000 shares to effect a two-for-one stock split (effective 2026-05-15).
  - Change: charter amendment
  - Effective: 2026-05-15
  source text: On April 14, 2026, the Board of Directors of Hills Bancorporation approved an amendment (the “Amendment”) to the Company's Restated Articles of Incorporation (the “Articles”) pursuant to paragraph 4 of §1005 of the Iowa Business Corporation Act, Chapter 490, Code of Iowa, to increase the number of shares of stock that the Company is authorized to issue from 20,000,000 shares of common stock, no par value, to 40,000,000 shares of common stock, no par value.
  evidence_url: https://www.sec.gov/Archives/edgar/data/732417/000073241726000065/0000732417-26-000065-index.htm

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