Susan Crown - 01 Oct 2025 Form 4 Insider Report for NORTHERN TRUST CORP (NTRS)

Role: Director
Signature: David A. Serna, Attorney-in-Fact for Susan Crown
Issuer symbol: NTRS
Transactions as of: 01 Oct 2025
Net transactions value: +$11,548
Form type: 4
Filing time: 02 Oct 2025, 16:17:21 UTC
Previous filing: 02 Jul 2025
Next filing: 05 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
CROWN SUSAN	Director	50 S LASALLE ST, CHICAGO	David A. Serna, Attorney-in-Fact for Susan Crown	02 Oct 2025	0001124194

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NTRS	Common Stock Units	Award	$11,548	+88	+0.24%	$131.20	37,493	01 Oct 2025	Direct	F1
holding	NTRS	Common Stock						18,400	01 Oct 2025	Direct
holding	NTRS	Common Stock						4,000	01 Oct 2025	See ftn.	F2
holding	NTRS	Common Stock						339,696	01 Oct 2025	See ftn.	F3

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

Explanation of Responses:

Id	Content
F1	Represents common stock units payable automatically on a one-for-one basis in shares of NTRS stock upon termination of service as a director.
F2	Owned by various trusts of which the children of the Reporting Person are the beneficiaries.
F3	Owned by a limited liability company, HCNI II LLC, of which trusts for the benefit of the Reporting Person and the children of the Reporting Person are members.

Remarks:

The Reporting Person disclaims beneficial ownership of the shares described in Footnotes 2 and 3, except to the extent of her beneficial ownership in the trusts and entity that own such shares.