// company-profile
Nisource Inc.
NIExchangeNYSESectorElectric & Other Services CombinedInc.DEFilings129Insiders23
// api This Nisource Inc. insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Nisource Inc. insiders bought $2.0M (11 transactions) and sold $2.3M (4 transactions).
- Most active insider: BIRMINGHAM MELODY with 2 transactions totaling $590K.
- Largest single sale: $950K by Yates Lloyd M on May 21, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Nisource Inc. as of 2026-03-31
Total reported AUM
$16.32B
QoQ change
+13.6%
Reporting period
2026-03-31
#1
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$1.45B
31.1M shares
#2
STATE STREET CORP
CIK 93751
$1.26B
27.1M shares
#3
BlackRock, Inc.
CIK 2012383
$1.12B
24.1M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 22, 2026 | Berman Melanie B. | NI | Sale | 15,000 | $47.68 | $715K |
| May 21, 2026 | Yates Lloyd M | NI | Sale | 19,905 | $47.73 | $950K |
| May 20, 2026 | BIRMINGHAM MELODY | NI | Sale | 2,500 | $47.43 | $119K |
| May 14, 2026 | BIRMINGHAM MELODY | NI | Sale | 10,000 | $47.19 | $472K |
| May 11, 2026 | Barbour Sondra L | NI | Award | 3,807 | $47.03 | $179K |
45 more transactions hidden
Free account · No credit card required
Building something? Get API access →
Popular companies on Form4API
Browse insider trading activity for other actively-filed companies.