Michael O'Grady - Dec 3, 2025 Form 4 Insider Report for NORTHERN TRUST CORP (NTRS)

Role
Chairman and CEO, Director
Signature
David A. Serna, Attorney-In-Fact for Michael G. O'Grady
Stock symbol
NTRS
Transactions as of
Dec 3, 2025
Transactions value $
-$101,116
Form type
4
Date filed
12/5/2025, 06:34 PM
Previous filing
Apr 29, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
O'Grady Michael Chairman and CEO, Director 50 SOUTH LA SALLE ST, CHICAGO David A. Serna, Attorney-In-Fact for Michael G. O'Grady 2025-12-05 0001527742

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NTRS Common Stock Tax liability -$101K -770 -1.19% $131.32 64K Dec 3, 2025 Direct F1, F2
holding NTRS Common Stock 344K Dec 3, 2025 By Trust F3
holding NTRS Common Stock 0 Dec 3, 2025 2023 GRAT F3
holding NTRS Common Stock 6.96K Dec 3, 2025 By Trust fbo Child 1 F3, F4
holding NTRS Common Stock 6.96K Dec 3, 2025 By Trust fbo Child 2 F3, F4
holding NTRS Common Stock 6.96K Dec 3, 2025 By Trust fbo Child 3 F3, F4
* 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 Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.
F3 On July 30, 2025, the reporting person's 2023 grantor retained annuity trust ("GRAT") distributed 5,415.12 shares of the Corporation's common stock to the reporting person's existing trust as an annuity payment. On such date 4,499.55 shares also were distributed to the remaindermen of the 2023 GRAT. Each distribution was made in accordance with the terms of the 2023 GRAT instrument.
F4 The reporting person's spouse is trustee of this trust.