Northern Trust officer proposes $662K share sale

The notice also reports 16,984 common shares sold during the past three months for $2,855,912.25.

Rhea-AI Filing Summary

Northern Trust Corp. officer Susan Levy reported a proposed sale of 3,922 common shares, with an aggregate market value of $661,602.18 and an approximate sale date of October 26, 2026. The notice lists 182,955,653 shares outstanding and says the shares were acquired from the issuer through a cash stock-option exercise on October 26, 2026. It also reports that Susan Levy sold 16,984 common shares on October 23, 2026, for $2,855,912.25.

Key Figures

Common shares proposed for sale: 3,922 shares Aggregate market value: $661,602.18 Shares outstanding: 182,955,653 shares +2 more

5 metrics

Common shares proposed for sale 3,922 shares Approximate sale date: October 26, 2026

Aggregate market value $661,602.18 Proposed sale of common shares

Shares outstanding 182,955,653 shares Listed in the proposed-sale information

Shares sold during the past three months 16,984 shares Sale reported for October 23, 2026

Reported proceeds $2,855,912.25 Sale reported for October 23, 2026

Key Terms

Rule 144, Stock Option Exercise, gross proceeds

3 terms

Rule 144 regulatory

"See the definition of "person" in paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Stock Option Exercise financial

"Stock Option Exercise"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

gross proceeds financial

"Securities Sold During The Past 3 Months"

The total amount of cash a company receives from a financing event or sale before any fees, expenses, taxes or deductions are taken out. Investors watch gross proceeds because it shows the raw scale of new capital being raised—think of it as the paycheck amount before withholdings—which helps assess how much funding is available for operations, growth, debt payoff or how much shareholder dilution might occur once costs are removed.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many NTRS shares did Susan Levy report for sale?

Susan Levy, an officer of Northern Trust Corp., reported a proposed sale of 3,922 common shares with an aggregate market value of $661,602.18. The approximate sale date listed is October 26, 2026.

How many NTRS shares did Susan Levy sell in the past three months?

The notice reports that Susan Levy sold 16,984 common shares on October 23, 2026, with $2,855,912.25 reported for the sale.

How did Susan Levy obtain the NTRS shares reported for sale?

The 3,922 common shares were acquired from the issuer through a stock-option exercise on October 26, 2026, with cash shown as the payment method.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/26/2026 - 09:56 AM EDT Accepted by SEC EDGAR 10/26/2026 - 09:56 AM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001607570
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	NORTHERN TRUST CORP
SEC File Number	001-36609
Address of Issuer	50 S LASALLE ST CHICAGO ILLINOIS 60603
Phone	3126306000
Name of Person for Whose Account the Securities are To Be Sold	Levy Susan Cohen
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	3922	661602.18	182955653	10/26/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	10/26/2026	Stock Option Exercise	Issuer			3922	10/26/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Susan Levy 50 South LaSalle Street Chicago IL 60603	Common	10/23/2026	16984	2855912.25

144: Remarks and Signature

Remarks
Date of Notice	10/26/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Susan Levy
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)