Thomas A. South - 11 Dec 2025 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
11 Dec 2025
Net transactions value
-$695,150
Form type
4
Filing time
15 Dec 2025, 16:06:45 UTC
Previous filing
05 Dec 2025
Next filing
09 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 15 Dec 2025 0001751051

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NTRS Common Stock Sale $695,150 -5,000 -6.5% $139.03 71,888 11 Dec 2025 Direct F1, F2
transaction NTRS Common Stock Gift $0 -80 -0.11% $0.000000 71,808 11 Dec 2025 Direct F2
holding NTRS Common Stock 4,143 11 Dec 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 Price reflects the weighted average sales price from $138.83 to $139.13. Information regarding the number of shares sold at each separate price will be provided by the reporting person upon request.
F2 Includes 33,172 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.