Dean M. Harrison - 30 Sep 2025 Form 4 Insider Report for NORTHERN TRUST CORP (NTRS)

Role: Director
Signature: David A. Serna, Attorney-in-Fact for Dean M. Harrison
Issuer symbol: NTRS
Transactions as of: 30 Sep 2025
Net transactions value: +$65,299
Form type: 4
Filing time: 02 Oct 2025, 16:18:12 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
Harrison Dean M	Director	50 SOUTH LA SALLE ST, CHICAGO	David A. Serna, Attorney-in-Fact for Dean M. Harrison	02 Oct 2025	0001629460

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	NTRS	Common Stock	Award	$44,999	+334	+1%	$134.60	32,384	30 Sep 2025	Direct	F1, F2
transaction	NTRS	Common Stock	Award	$20,299	+155	+0.48%	$131.20	32,539	01 Oct 2025	Direct	F1, F2
holding	NTRS	Common Stock						1,000	30 Sep 2025	By Trust
holding	NTRS	Common Stock						47	30 Sep 2025	By LLC

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

Explanation of Responses:

Id	Content
F1	Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.
F2	Reflects a correction to the amount of shares on April 1, 2025, previously reported on a Form 4 filed April 24, 2025. The actual amount on such date was 171.60 shares, rather than the 168.49 shares originally reported.