Thomas A. South - Dec 3, 2025 Form 4 Insider Report for NORTHERN TRUST CORP (NTRS)

Role
Executive Vice President
Signature
David A. Serna, Attorney-in-Fact for Thomas A. South
Stock symbol
NTRS
Transactions as of
Dec 3, 2025
Transactions value $
-$137,623
Form type
4
Date filed
12/5/2025, 06:34 PM
Previous filing
Sep 9, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
South Thomas A Executive Vice President 50 SOUTH LA SALLE ST, CHICAGO David A. Serna, Attorney-in-Fact for Thomas A. South 2025-12-05 0001751051

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NTRS Common Stock Tax liability -$138K -1.05K -1.34% $131.32 76.9K Dec 3, 2025 Direct F1, F2
holding NTRS Common Stock 4.14K Dec 3, 2025 401(k) as of 9-30-2025
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents shares withheld to satisfy tax withholding obligations related to previously reported stock units.
F2 Includes 33,172 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.