Northern Trust: Taylor has 3,823 shares withheld for tax

The vesting also resulted in 4,805 common shares being distributed to Alexandria Taylor; 15,009 stock units were payable automatically one-for-one in common stock.

Rhea-AI Filing Summary

Northern Trust Corp Chief Administrative Officer Alexandria Taylor had 3,823 common shares withheld on October 17, 2026, to pay Federal, State and Medicare taxes upon vesting of 8,628 previously reported stock units. The remaining 4,805 shares were distributed to Taylor as common stock. The reported post-transaction position was 43,629 shares, including 15,009 stock units payable automatically one-for-one in common stock. No Rule 10b5-1 plan is reported.

Insider Trade Summary

Tax Withholding: 3,823 shares

Tax Withholding 1 txn

Insider Taylor Alexandria

Role Chief Administrative Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock F1, F2	3,823	$165.40	$632K

Holdings After Transaction: Common Stock — 43,628.536 shares (Direct)

Footnotes (2)

1. F1. Reflects 3,823 shares withheld in payment of Federal, State and Medicare taxes upon the vesting of 8,628 previously reported stock units. The remaining 4,805 shares were distributed to the reporting person as shares of common stock.
2. F2. Includes 15,009 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Key Figures

Shares withheld for taxes: 3,823 shares Reported price per share: $165.40 per share Stock units vested: 8,628 stock units +3 more

6 metrics

Shares withheld for taxes 3,823 shares Upon vesting of previously reported stock units on October 17, 2026

Reported price per share $165.40 per share Price reported for the October 17, 2026 transaction

Stock units vested 8,628 stock units Previously reported stock units that vested

Shares distributed 4,805 shares Remaining shares distributed to Alexandria Taylor as common stock

Reported post-transaction position 43,629 shares Includes 15,009 stock units payable automatically one-for-one in common stock

Stock units payable 15,009 stock units Payable automatically one-for-one in common stock

Key Terms

tax liability, stock units, Rule 10b5-1 plan

3 terms

tax liability financial

"payment of Federal, State and Medicare taxes"

stock units financial

"vesting of 8,628 previously reported stock units"

Stock units are individual pieces of ownership in a company, like slices of a pie that together make up the whole business. They matter to investors because each unit represents a claim on the company’s assets, profits and sometimes voting power, and changes in the number or value of these units affect ownership percentages, potential dividends and share dilution — all of which influence an investment’s worth.

Rule 10b5-1 plan regulatory

"No Rule 10b5-1 plan is reported"

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

FAQ

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

How many NTRS shares did Alexandria Taylor have withheld, and at what price?

On October 17, 2026, Northern Trust Corp Chief Administrative Officer Alexandria Taylor had 3,823 shares withheld at a reported price of $165.40 per share to pay Federal, State and Medicare taxes upon vesting of 8,628 previously reported stock units. No Rule 10b5-1 plan is reported.

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

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Available on EDGAR 10/20/2026 - 05:20 PM EDT Accepted by SEC EDGAR 10/20/2026 - 05:20 PM EDT Learn about SEC filing dates

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
Estimated average burden
hours per response:			0.5

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^*

Taylor Alexandria

(Last) (First) (Middle)

50 SOUTH LA SALLE STREET

(Street)

CHICAGO ILLINOIS 60603

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/17/2026

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

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

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

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	10/17/2026		F		3,823	D	$165.4	43,628.536(1)(2)	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. Reflects 3,823 shares withheld in payment of Federal, State and Medicare taxes upon the vesting of 8,628 previously reported stock units. The remaining 4,805 shares were distributed to the reporting person as shares of common stock.

2. Includes 15,009 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Remarks:

	David A. Serna, Attorney-in-Fact for Alexandria Taylor	10/20/2026
	** 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.
* Form 4: SEC 1474 (03-26)