Thomas A. South - 05 Feb 2026 Form 4 Insider Report for NORTHERN TRUST CORP (NTRS)

Signature
David A. Serna, Attorney-in-Fact for Thomas A. South
Issuer symbol
NTRS
Transactions as of
05 Feb 2026
Net transactions value
-$158,259
Form type
4
Filing time
09 Feb 2026, 19:54:46 UTC
Previous filing
15 Dec 2025
Next filing
19 Feb 2026

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 09 Feb 2026 0001751051

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NTRS Common Stock Award $0 +16,850 +23% $0.000000 88,658 05 Feb 2026 Direct F1
transaction NTRS Common Stock Tax liability $158,259 -1,063 -1.2% $148.88 87,595 05 Feb 2026 Direct F1, F2
holding NTRS Common Stock 4,168 05 Feb 2026 401(k) as of 12-31-2025
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 50,189 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock and reflects a correction to the amount of stock units previously reported on a Form 4 filed December 5, 2025 in footnote 1 thereto. The actual amount of stock units on such date was 33,339 shares, rather than the 33,172 shares originally reported in the footnote.
F2 Reflects 1,063 shares withheld in payment of Federal, State and Medicare taxes upon the vesting of 3,941 previously reported stock units. The remaining 2,878 shares were distributed to the reporting person as shares of common stock.