William Jefferson Jr.

CIK: 0001935312

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (11.1%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)4 (44.4%)

Compensation grants

Other (G, F, J, C, D, …)4 (44.4%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

NISOURCE INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (9 total)

NI
NISOURCE INC.
Oct 30, 2026
Sale(S)
Direct
40K shares at avg. $44.56$1.8M
NI
NISOURCE INC.
Feb 27, 2026
Award(A)
Direct
60.6K shares at avg. $47.30$2.9M
NI
NISOURCE INC.
Feb 27, 2026
Tax Payment(F)
Direct
25.5K shares at avg. $47.30$1.2M
NI
NISOURCE INC.
Feb 27, 2026
Tax Payment(F)
Direct
3.5K shares at avg. $47.30$165K
NI
NISOURCE INC.
Jan 21, 2026
Award(A)
Direct
6.9K shares at avg. $43.79$300K
NI
NISOURCE INC.
Feb 28, 2025
Tax Payment(F)
Direct
2K shares at avg. $40.81$81K
NI
NISOURCE INC.
Feb 28, 2025
Award(A)
Direct
36K shares at avg. $40.81$1.5M
NI
NISOURCE INC.
Feb 28, 2025
Tax Payment(F)
Direct
15K shares at avg. $40.81$614K
NI
NISOURCE INC.
Jan 22, 2025
Award(A)
Direct
7.7K shares at avg. $37.78$292K

		Type	Shares	Price		Ownership
Oct 30, 2026	NI NISOURCE INC.	Sale(S)	40,000	$44.56	$1,782,400	Direct
Feb 27, 2026	NI NISOURCE INC.	Award(A)	60,623	$47.30	$2,867,468	Direct
Feb 27, 2026	NI NISOURCE INC.	Tax Payment(F)	25,504	$47.30	$1,206,339	Direct
Feb 27, 2026	NI NISOURCE INC.	Tax Payment(F)	3,478	$47.30	$164,509	Direct
Jan 21, 2026	NI NISOURCE INC.	Award(A)	6,851	$43.79	$300,005	Direct
Feb 28, 2025	NI NISOURCE INC.	Tax Payment(F)	1,980	$40.81	$80,804	Direct
Feb 28, 2025	NI NISOURCE INC.	Award(A)	36,039	$40.81	$1,470,752	Direct
Feb 28, 2025	NI NISOURCE INC.	Tax Payment(F)	15,047	$40.81	$614,068	Direct
Jan 22, 2025	NI NISOURCE INC.	Award(A)	7,742	$37.78	$292,493	Direct

1-9 of 9 transactions

About Jefferson William Jr.

Jefferson William Jr. (SEC CIK 0001935312) files insider reports with the SEC as EVP, Chief Op & Safety Officer of NISOURCE INC. (NI).

Signal8 holds 5 ownership filings by Jefferson William Jr., all Form 4s, filed between Jan 24, 2025 and Nov 3, 2026. Those filings report 9 transactions, from Jan 22, 2025 to Oct 30, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Jefferson William Jr.'s filings is in MERRILLVILLE, IN.

Recent filings by Jefferson William Jr.

Oct 30, 2026: Open-market sale of NI shares (Form 4, code S).
Feb 27, 2026: Grant or award of NI shares (Form 4, code A).
Feb 27, 2026: Tax withholdings of NI shares (2 lines, Form 4, code F).
Jan 21, 2026: Grant or award of NI shares (Form 4, code A).
Feb 28, 2025: Tax withholding of NI shares (Form 4, code F).

Other insiders filing for NISOURCE INC. (NI)

Anderson Shawn, EVP & CFO
BIRMINGHAM MELODY, EVP & Grp President, Utilities
Jesanis Michael E, Director
Berman Melanie B., EVP Administration & CHRO
Yates Lloyd M, Director and President & CEO
Lee Cassandra S., Director

How to read Form 4 transaction codes