[Form 4] Northern Trust Corp Insider Trading Activity

Rhea-AI Filing Summary

Northern Trust Corporation (NTRS) Form 4 shows that director Robert Edward Moritz Jr. (reporting address: 50 South LaSalle Street, Chicago) acquired 256 shares of the company's common stock on 08/13/2025 at a price of $126.34 per share under transaction code P. After the purchase, Mr. Moritz beneficially owned 2,525 shares in total, which includes 1,902 stock units payable on a one-for-one basis into common shares. The filing was signed by Michael Rouvina as attorney-in-fact on 08/18/2025. The Form 4 discloses a routine director purchase; no options, derivative transactions, or other material events are reported.

Positive

• Insider purchase disclosed — director acquired 256 shares, demonstrating compliance with reporting requirements
• Clear ownership disclosure — filing specifies total beneficial ownership of 2,525 shares including 1,902 stock units payable 1-for-1

Negative

• None.

Insights

Financial Analyst

TL;DR: A small director purchase occurred; it's a routine insider buy with limited immediate financial impact.

The reported purchase of 256 shares at $126.34 is modest relative to typical institutional holdings and does not materially change ownership or control. The filing clarifies total beneficial ownership of 2,525 shares, of which 1,902 are stock units convertible one-for-one into common shares. There are no derivative transactions or disclosure of planned future trades, and the transaction code indicates a standard purchase rather than a grant or exercise.

Corporate Governance Expert

TL;DR: Governance disclosure is in order; this is a routine Section 16 report showing a director purchase and aggregated holdings.

The Form 4 properly identifies the reporting person as a director and files under Section 16. The inclusion of stock units in the beneficial ownership calculation is explicitly noted, which improves transparency about potential future share conversion. The signature by an attorney-in-fact is documented with date. No governance red flags, such as undisclosed related-party transactions or material changes, are present in this filing.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Moritz Robert Edward Jr.

(Last) (First) (Middle)

50 SOUTH LASALLE STREET

(Street)

CHICAGO IL 60603

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
NORTHERN TRUST CORP [ NTRS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
08/13/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/13/2025		P		256	A	$126.34	2,525(1)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Includes 1,902 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Remarks:

	Michael Rouvina, Attorney-in-Fact for Robert Edward Moritz, Jr.	08/18/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did NTRS director Robert Edward Moritz Jr. report on Form 4?

He reported the purchase of 256 shares of Northern Trust common stock on 08/13/2025 at $126.34 per share.

How many NTRS shares does Robert Edward Moritz Jr. beneficially own after the transaction?

The Form 4 reports 2,525 shares beneficially owned following the reported transaction.

Does the Form 4 disclose any derivative or option transactions for NTRS?

No. The filing shows only a non-derivative purchase of common stock; there are no derivative securities reported.

What portion of the reported ownership consists of stock units?

The filing states 1,902 stock units are included, payable on a 1-for-1 basis into common shares.

Who signed the Form 4 for Robert Edward Moritz Jr. and when?

The Form 4 was signed by Michael Rouvina, attorney-in-fact, on 08/18/2025.