---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-286764"
form_type: "8-K"
ticker: "NI"
cik: "0001111711"
company_name: "NISOURCE INC."
filed_at: "2023-12-01T23:59:59+00:00"
generated_at: "2026-06-07T19:10:28.086279+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# NiSource sets settlement rate at 3.9295 shares per Corporate Unit; voluntarily delists units from NYSE

## Summary
- Each Series A Corporate Unit converts into 3.9295 shares of NiSource common stock, with cash for fractional shares.
- Settlement rate based on 40-day VWAP ending November 29, 2023; conversion effective December 1, 2023.
- Series C Mandatory Convertible Preferred Stock will be retired and cancelled upon conversion.
- NiSource voluntarily delists the Series A Corporate Units (ticker NIMC) from the NYSE effective December 1, 2023.
- Delisting does not affect listing of common stock (NI) or periodic reporting obligations.

## SEC filing metadata
- accession: 0001193125-23-286764
- form_type: 8-K
- ticker: NI
- cik: 0001111711
- company_name: NISOURCE INC.
- filed_at: 2023-12-01T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 3.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1111711/000119312523286764/0001193125-23-286764-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1111711/000119312523286764/d29965d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-286764
- JSON: https://secwatch.observer/filing/0001193125-23-286764.json
- Plain text: https://secwatch.observer/filing/0001193125-23-286764.txt

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