NiSource Inc. (NI)
NYSE: NI · Electric & Other Services Combined · Merrillville, IN · filing with the SEC since 2000
Grade4.8
◀ Past 2.8● Present 5.0▶ Future 6.3
Who owns NiSource Inc.
As filed with the SECHolders of 5% or more
4
Vanguard Capital Management holds 7.55% of Common Stock, as its SCHEDULE 13G filed Apr 30, 2026 says.
Directors and officers
19
report now, of 44 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Vanguard Capital Management
SCHEDULE 13G · filed Apr 30, 2026 · Common Stock
T. Rowe Price Investment Management, Inc.
SCHEDULE 13G/A · filed Aug 14, 2026 · COMMON STOCK · 10.5% in Dec 5, 2025
Vanguard Portfolio Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
State Street Corporation
SCHEDULE 13G · filed May 13, 2025 · COMMON STOCK · 4.9% in Feb 4, 2025
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
What NI reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Consolidated Variable Interest Entities
An entity · co registrant · owns, named in the 10-K filed Feb 11, 2026
34 subsidiaries in 1 country, from the list filed with the 10-K filed Feb 11, 2026.
Insider tradesForm 4
11sales
0purchases
3sales on a scheduled plan
7people selling
$7.2Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 9, 2025 to Nov 9, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 9, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window7 of 44 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Birmingham Melody | EVP & Grp President, Utilities | 3 | $2.2M | 0 | 0 | $0 |
| Jefferson William Jr. | EVP, Chief Op & Safety Officer | 1 | $1.8M | 0 | 0 | $0 |
| Anderson Shawn | EVP & CFO | 3 | $1.2M | 3 | 0 | $0 |
| Yates Lloyd M | Director and President & CEO | 1 | $1.0M | 0 | 0 | $0 |
| Berman Melanie B. | EVP Administration & CHRO | 1 | $700,000 | 0 | 0 | $0 |
| Cuccia Kimberly S | EVP, GC & Corporate Secretary | 1 | $300,000 | 0 | 0 | $0 |
| Gode Gunnar | SVP Chief Accting&Tax Officer | 1 | $100,000 | 0 | 0 | $0 |