Alexandria Taylor - 01 Mar 2026 Form 4 Insider Report for NORTHERN TRUST CORP (NTRS)

Role: Chief Administrative Officer
Signature: David A. Serna, Attorney-in-Fact for Alexandria Taylor
Issuer symbol: NTRS
Transactions as of: 01 Mar 2026
Net transactions value: $0
Form type: 4
Filing time: 04 Mar 2026, 19:11:32 UTC
Previous filing: 19 Feb 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Taylor Alexandria	Chief Administrative Officer	50 SOUTH LA SALLE STREET, CHICAGO	David A. Serna, Attorney-in-Fact for Alexandria Taylor	04 Mar 2026	0001950022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NTRS	Common Stock	Tax liability		-1,868	-3.8%	$143.15^*	47,452	01 Mar 2026	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Includes 23,637 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.
F2	Reflects 1,868 shares withheld in payment of Federal, State and Medicare taxes upon the vesting of 4,211 previously reported stock units. The remaining 2,343 shares were distributed to the reporting person as shares of common stock.