Question 1

Who are the insiders buying NISOURCE INC. stock?

Accepted Answer

InsiderAct tracks all open-market purchases of NISOURCE INC. stock by corporate insiders — including officers, directors, and shareholders owning more than 10% — sourced from public SEC Form 4 filings.

Question 2

What does insider buying at a company mean?

Accepted Answer

When a corporate officer, director, or major shareholder purchases their own company's stock on the open market using personal funds, it signals confidence in the company's outlook. This is especially meaningful when multiple insiders buy within the same 7–14 day window (cluster buying) or when the purchase size exceeds $100,000.

Question 3

How do I find cluster buying signals for a company?

Accepted Answer

InsiderAct automatically detects cluster buying — two or more insiders independently purchasing shares within a 14-day window. When a cluster buy signal is active for a company, it appears prominently on the company's InsiderAct page and on the Signals tab.

Question 4

Has NISOURCE INC. had any recent large insider purchases?

Accepted Answer

InsiderAct tracks all open-market purchases of $100,000 or more at NISOURCE INC.. Large insider purchases are flagged as high-conviction signals because they represent meaningful personal capital commitments by executives or directors who have direct visibility into the company's operations and prospects.

Question 5

Where do the insider transactions on this page come from?

Accepted Answer

All transactions shown on InsiderAct company pages are sourced directly from SEC EDGAR Form 4 filings — the mandatory public disclosures that corporate insiders must submit within 2 business days of any stock transaction. InsiderAct ingests these filings in near real time and filters for open-market purchases and sales.


2026-05-27	2026-05-22	Berman Melanie B.	CHRO	Sale	15,000	$47.68	$715,200
2026-05-26	2026-05-21	Yates Lloyd M	CEO	Sale	19,905	$47.73	$950,066
2026-05-21	2026-05-20	Birmingham Melody	EVP	Sale	2,500	$47.43	$118,575
2026-05-21	2026-05-14	Birmingham Melody	EVP	Sale	10,000	$47.19	$471,850
2026-05-13	2026-05-11	Kabat Kevin T	Director	Award	3,807	$47.03	$179,043
2026-05-13	2026-05-11	Johnson William D	Director	Award	3,807	$47.03	$179,043
2026-05-13	2026-05-11	Jesanis Michael E	Director	Award	3,807	$47.03	$179,043
2026-05-13	2026-05-11	Henretta Deborah A	Director	Award	3,807	$47.03	$179,043
2026-05-13	2026-05-11	Bunting Theodore H Jr	Director	Award	3,807	$47.03	$179,043
2026-05-13	2026-05-11	Altabef Peter	Director	Award	3,807	$47.03	$179,043

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