[Form 3] NORTHERN TRUST CORP Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Northern Trust Corp (NTRS) Form 3 filed for Michael Hunstad discloses that the reporting person directly owns 25,185 shares of the issuer's common stock, including 24,268 stock units payable 1-for-1 into common shares. The filing identifies Hunstad as a director and an officer (President/Asset Management) and reflects the event date of 09/03/2025. The form was signed by Michael Rouvina, Attorney-in-Fact, on 09/16/2025. The filing includes Exhibit 24 (Power of Attorney).

Positive

• Disclosure compliance: The filing fulfills Section 16 initial reporting requirements for an officer/director.
• Clear ownership detail: Specifies total shares (25,185) and the portion represented by stock units (24,268).
• Power of attorney included: Exhibit 24 attached and filing signed by Attorney-in-Fact, indicating proper authorization.

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: Routine initial ownership disclosure by an officer/director; confirms holdings and compliance with Section 16 reporting.

The Form 3 is a standard Section 16 initial statement showing direct beneficial ownership of 25,185 common shares by Michael Hunstad, with 24,268 of those as stock units convertible 1-for-1 into shares. The filing names Hunstad as both a director and an officer (President/Asset Management), establishing his insider status for future Section 16 reporting obligations. Inclusion of Exhibit 24 indicates a power of attorney was used to execute the filing.

Securities Analyst

TL;DR: Non-material disclosure for investors; quantifies insider stake but does not indicate transactions or material changes.

The report documents an existing beneficial position of 25,185 shares, including 24,268 attributable stock units payable into common shares, recorded as direct ownership. There are no derivative securities or transactions reported on this Form 3, so the filing does not by itself alter the company capital structure or investor valuation metrics. It serves primarily to notify the market of insider status and baseline holdings.

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

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1. Name and Address of Reporting Person^*

Hunstad Michael

(Last) (First) (Middle)

50 SOUTH LASALLE STREET

(Street)

CHICAGO IL 60603

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
09/03/2025

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President/Asset Management

5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	25,185(1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Includes 24,268 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Remarks:

Exhibit List: Exhibit 24 Power of Attorney

	Michael Rouvina, Attorney-in-Fact for Michael Hunstad	09/16/2025
	** 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 5 (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 does the Form 3 for Northern Trust (NTRS) disclose about Michael Hunstad's holdings?

The Form 3 reports 25,185 shares of common stock beneficially owned by Michael Hunstad, including 24,268 stock units payable 1-for-1 into common shares.

What is Michael Hunstad's role at Northern Trust as stated in the filing?

The filing lists Hunstad as a director and an officer with the title President/Asset Management.

When is the event date and signature date on the Form 3?

The event requiring the statement is dated 09/03/2025 and the form was signed by an Attorney-in-Fact on 09/16/2025.

Are there any derivative securities or transactions reported on this Form 3 for NTRS?

No. The Form 3 shows only non-derivative common stock ownership and lists no derivative securities or transactions.

Does the filing include any exhibits?

Yes. The filing lists Exhibit 24, the Power of Attorney.