Shawn Anderson - 27 Feb 2026 Form 4 Insider Report for NISOURCE INC. (NI)

Role
EVP & CFO
Signature
/s/ Ashley Bancroft, Attorney-in-Fact
Issuer symbol
NI
Transactions as of
27 Feb 2026
Net transactions value
+$1,336,651
Form type
4
Filing time
03 Mar 2026, 16:53:44 UTC
Previous filing
17 Feb 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Anderson Shawn EVP & CFO 801 E. 86TH AVENUE, MERRILLVILLE /s/ Ashley Bancroft, Attorney-in-Fact 03 Mar 2026 0001813738

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NI Common Stock Award $1,539,662 +32,551 +24% $47.30 169,393 27 Feb 2026 Direct F1
transaction NI Common Stock Award $1,129,666 +23,883 +14% $47.30 193,276 27 Feb 2026 Direct F2
transaction NI Common Stock Tax liability $648,246 -13,705 -7.1% $47.30 179,571 27 Feb 2026 Direct F3
transaction NI Common Stock Tax liability $475,649 -10,056 -5.6% $47.30 169,515 27 Feb 2026 Direct F4
transaction NI Common Stock Tax liability $208,782 -4,414 -2.6% $47.30 165,101 27 Feb 2026 Direct F5, F6
holding NI Common Stock 812 27 Feb 2026 401(k) F7
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Vesting of non-derivative performance stock units granted in 2023, which are exempt from liability under Section 16(b) of the Securities Exchange Act pursuant to rule 16b-3(d).
F2 Vesting of non-derivative special performance stock units granted in 2023, which are exempt from liability under Section 16(b) of the Securities Exchange Act pursuant to rule 16b-3(d).
F3 Number of shares reported represent shares withheld to satisfy tax withholding obligations in connection with the vesting of the performance stock units above.
F4 Number of shares reported represent shares withheld to satisfy tax withholding obligations in connection with the vesting of the special performance stock units above.
F5 Number of shares reported represent shares withheld to satisfy tax withholding obligations in connection with the vestings of the 2023 Restricted Stock Unit awards.
F6 Includes shares acquired through dividend reinvestments.
F7 Constitutes shares acquired through the NiSource Inc. Retirement Savings Plan through February 27, 2026.