---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-279272"
form_type: "8-K"
ticker: "NI"
cik: "0001111711"
company_name: "NISOURCE INC."
filed_at: "2023-11-17T23:59:59+00:00"
generated_at: "2026-06-07T23:50:24.798337+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# NiSource final remarketing of Series C Mandatory Convertible Preferred Stock unsuccessful; holders to deliver shares

## Summary
- Final remarketing of Series C Mandatory Convertible Preferred Stock (liquidation preference $1,000/share) was unsuccessful.
- As of Dec 1, 2023, holders automatically deliver Mandatory Convertible Preferred Stock to NiSource to satisfy purchase contract obligations for common stock.
- The Mandatory Convertible Preferred Stock was originally issued April 19, 2021 as part of NiSource's 2021 Equity Units offering.
- Goldman Sachs, J.P. Morgan, and Wells Fargo acted as remarketing agents; BofA Securities, PNC Capital, and Scotiabank as co-remarketing agents.

## SEC filing metadata
- accession: 0001193125-23-279272
- form_type: 8-K
- ticker: NI
- cik: 0001111711
- company_name: NISOURCE INC.
- filed_at: 2023-11-17T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1111711/000119312523279272/0001193125-23-279272-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1111711/000119312523279272/d449824d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-279272
- JSON: https://secwatch.observer/filing/0001193125-23-279272.json
- Plain text: https://secwatch.observer/filing/0001193125-23-279272.txt

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