NiSource Ownership & Insider Activity

NiSource (NI) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.5% of shares outstanding. Institutional investors hold 71.1%. Over the past 90 days, insiders made 1 sale worth $1.6M.

Shares Outstanding

478.533M

Shares Float

376.226M

Insider Shares Owned

7.423M

Insider % Owned

1.5%

Institutional Shares Held

341.189M

Institutional % Held

71.1%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$1.6M total

Net Activity

Net Selling

Net Value (90d)

-$1.6M

NiSource Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Aug 14, 2026	MELODY BIRMINGHAM	EVP & GRP PRESIDENT, UTILITIES	SELL	37.509K	$42.40	$1.6M
May 22, 2026	Melanie Berman	EVP ADMINISTRATION & CHRO	SELL	15.000K	$47.68	$715K
May 21, 2026	Lloyd Yates	DIRECTOR AND PRESIDENT & CEO	SELL	19.905K	$47.73	$950K
May 14, 2026	MELODY BIRMINGHAM	EVP & GRP PRESIDENT, UTILITIES	SELL	12.500K	$47.23	$590K

Date	Member	Party	Chamber	Action	Amount
May 12, 2025	Jefferson Shreve	R	House	S	$50,001 - $100,000
Apr 11, 2025	Dan Newhouse	R	House	S (Partial)	$1,001 - $15,000
Apr 10, 2024	Dan Newhouse	R	House	P	$1,001 - $15,000