---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-279290"
form_type: "8-K"
ticker: "NI"
cik: "0001111711"
company_name: "NISOURCE INC."
filed_at: "2023-11-17T23:59:59+00:00"
generated_at: "2026-06-07T23:50:37.456281+00:00"
event_type: "other_material"
sentiment: "negative"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# NiSource announces unsuccessful remarketing of Series C Preferred Stock, plans up to $600M equity in 2024

## Summary
- Unsuccessful final remarketing of Series C Mandatory Convertible Preferred Stock (liquidation preference $1,000 per share) originally issued April 2021.
- Will issue up to $600M of equity in 2024 via ATM program; no equity issuances in 2023.
- Equity issuances of $200-300M annually expected from 2025-2028 to support base capital plan.
- Reaffirms 2023 non-GAAP NOEPS upper half of $1.54-1.60 range; 2024 NOEPS expected $1.68-1.72.
- Continues to expect 14-16% Funds From Operations/debt annually for 2023-2028 period.

## SEC filing metadata
- accession: 0001193125-23-279290
- 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: negative
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1111711/000119312523279290/0001193125-23-279290-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1111711/000119312523279290/d559728d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-279290
- JSON: https://secwatch.observer/filing/0001193125-23-279290.json
- Plain text: https://secwatch.observer/filing/0001193125-23-279290.txt

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