NiSource Inc. (NI)

NiSource Inc. at a glance — key fundamentals, SEC filings, insider buying and selling, and earnings dates.

NiSource Inc. (NI) is a Regulated Gas company based in US with a market capitalization of $22.2B. Revenue grew 21.8% year-over-year and free cash flow was negative at -$420M. This page tracks NI's SEC filings, insider buying and selling, earnings dates, and key fundamentals in one place.

US · 7.69K employees · IPO Dec 16, 1962

Valuation

Valuation & price

$46.30 · as of May 17, 2026 · -5.7% vs 52w high

23.6

P/E ratio

Latest-FY diluted EPS

2.35

P/B ratio

Market cap ÷ book equity

Dividend yield

Price — last 12 months

$49.08$44.21$39.34Jul 25Dec 25Jul 26Jul 7, 25$39.63Jul 9, 25$39.34Jul 11, 25$39.57Jul 15, 25$39.87Jul 17, 25$40.22Jul 21, 25$41.72Jul 23, 25$41.69Jul 25, 25$42.18Jul 29, 25$42.18Jul 31, 25$42.45Aug 4, 25$43.33Aug 6, 25$41.84Aug 11, 25$42.15Aug 13, 25$42.68Aug 15, 25$41.95Aug 19, 25$42.28Aug 21, 25$42.29Aug 25, 25$42.67Aug 27, 25$42.44Aug 29, 25$42.27Sep 3, 25$41.80Sep 5, 25$40.33Sep 9, 25$40.49Sep 11, 25$41.13Sep 16, 25$39.37Sep 18, 25$40.16Sep 22, 25$41.30Sep 24, 25$42.38Sep 26, 25$42.57Sep 30, 25$43.30Oct 2, 25$43.10Oct 6, 25$44.17Oct 8, 25$43.90Oct 10, 25$42.86Oct 14, 25$42.93Oct 16, 25$43.22Oct 21, 25$43.71Oct 23, 25$43.87Oct 27, 25$43.73Oct 29, 25$42.46Oct 31, 25$42.11Nov 4, 25$42.87Nov 6, 25$42.78Nov 10, 25$43.72Nov 12, 25$43.64Nov 14, 25$42.88Nov 18, 25$43.06Nov 20, 25$42.40Nov 25, 25$43.14Nov 28, 25$44.13Dec 2, 25$42.26Dec 4, 25$41.89Dec 8, 25$41.32Dec 10, 25$41.33Dec 12, 25$41.41Dec 16, 25$41.43Dec 18, 25$41.51Dec 22, 25$41.45Dec 24, 25$41.88Dec 29, 25$41.93Jan 2, 26$42.16Jan 6, 26$41.88Jan 8, 26$41.55Jan 12, 26$42.39Jan 14, 26$43.31Jan 16, 26$43.93Jan 21, 26$43.79Jan 23, 26$43.41Jan 27, 26$44.39Jan 29, 26$44.65Feb 2, 26$44.03Feb 4, 26$44.03Feb 9, 26$44.45Feb 11, 26$44.66Feb 13, 26$46.36Feb 18, 26$45.30Feb 20, 26$46.37Feb 24, 26$46.42Feb 26, 26$46.70Mar 2, 26$47.05Mar 4, 26$47.56Mar 6, 26$46.46Mar 10, 26$46.57Mar 12, 26$46.69Mar 17, 26$47.26Mar 19, 26$46.69Mar 23, 26$45.47Mar 25, 26$45.68Mar 27, 26$45.97Mar 31, 26$46.66Apr 2, 26$47.49Apr 7, 26$47.65Apr 9, 26$48.47Apr 13, 26$47.19Apr 15, 26$47.37Apr 17, 26$48.31Apr 22, 26$46.85Apr 24, 26$47.99Apr 28, 26$48.50Apr 30, 26$48.28May 4, 26$48.08May 6, 26$47.51May 8, 26$46.72May 12, 26$47.19May 14, 26$47.42May 18, 26$46.55May 20, 26$47.02May 22, 26$47.85May 28, 26$46.77Jun 1, 26$45.10Jun 3, 26$45.53Jun 5, 26$46.61Jun 9, 26$46.33Jun 11, 26$46.62Jun 15, 26$47.47Jun 17, 26$46.77Jun 22, 26$47.63Jun 24, 26$47.63Jun 26, 26$49.08Jul 2, 26$47.82
$39.0052-week range$49.08
Loading valuation history…

Fundamentals

Key fundamentals

$22.2B

Market cap

21.8%

Revenue growth (YoY)

58.6%

Gross margin

-$420M

Free cash flow (USD)

$16.1B

Net debt

4.1%

Share dilution

3/5

Graham criteria passed

Defensive-investor screen

Utilities

Sector

Trajectory

Long-term trends

Revenue by year

20162025

FY 2016$4.5BFY 2017$4.9BFY 2018$5.1BFY 2019$5.2BFY 2020$4.7BFY 2021$4.9BFY 2022$5.9BFY 2023$5.5BFY 2024$5.5BFY 2025$6.6B
$4.5B$6.6B

Free cash flow by year

20162025

FY 2016$-671.9MFY 2017$-953.6MFY 2018$-1.3BFY 2019$-219.1MFY 2020$-654.1MFY 2021$-620.1MFY 2022$-793.7MFY 2023$-710.7MFY 2024$-861.5MFY 2025$-420.0M
-$671.9M-$420M

Gross margin by year

20212025

FY 202141.9%FY 202238.5%FY 202345.0%FY 202451.5%FY 202558.6%
41.9%58.6%

Value screen

Graham defensive-investor tests

Computing the scorecard — refreshing any stale inputs…

0

Insider buys · 90 days

3

Insider sells · 90 days

Earnings

Last report: 10-Q filed May 6, 2026

Next expected: not yet scheduled

On the tape

Recent SEC & insider activity

  • Insider sellInsider Sell $715KBerman Melanie B. · EVP Administration & CHRO · $715.2KMay 27, 2026Filing
  • Insider sellInsider Sell $950KYates Lloyd M · Director, Director and President & CEO · $950.1KMay 26, 2026Filing
  • Insider sellInsider Sell $590KBIRMINGHAM MELODY · EVP & Grp President, Utilities · $590.4KMay 21, 2026Filing
  • 8-K eventDebt IssuanceMay 18, 2026Filing
  • 8-K eventAnnual Meeting ResultsMay 12, 2026Filing
  • 8-K eventEarnings ReleaseMay 6, 2026Filing
  • Quarterly report10-Q FiledMay 6, 2026Filing

Questions

Frequently asked questions

What is NiSource Inc.'s market cap?

NiSource Inc. (NI) has a market capitalization of $22.2B.

What is NI's P/E ratio?

NI trades at a price-to-earnings ratio of 23.6, based on its latest fiscal-year diluted earnings per share and the most recent cached price.

What is NI's price-to-book (P/B) ratio?

NI trades at 2.35 times book value per share.

Are insiders buying NI stock?

SEC Form 4 filings show no open-market insider buys at NiSource Inc. in the last 90 days (3 sells).

Same arena

Related companies in Regulated Gas

Timeline

Every filing, insider trade & earnings on a price-anchored timeline

Filing Analyzer

Search the actual 10-K / 10-Q text with AI research angles

News

Latest press coverage in one feed

Data: SEC EDGAR filings and cached fundamental data; prices and ratios use the most recent cached quote and statements (may lag by up to a day). Educational and research purposes only. Not investment advice.