[Form 4] Northern Trust Corp Insider Trading Activity

Insider Trade Summary

Net Seller: 21,680 shares

Net Sell 8 txns

Insider FRADKIN STEVEN L

Role Vice Chairman

Sold 21,680 shs ($2.83M)

Type	Security	Shares	Price	Value
Sale	Common Stock	3,775	$132.50	$500K
Sale	Common Stock	5,680	$132.11	$750K
Sale	Common Stock	8,775	$129.52	$1.14M
Sale	Common Stock	3,450	$129.37	$446K
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 155,596 shares (Indirect, By Trust); Common Stock — 44,347 shares (Indirect, Gift Trust); Common Stock — 43,593 shares (Direct); Common Stock — 1,762 shares (Indirect, Spouse as trustee for Daughter); Common Stock — 1,762 shares (Indirect, Spouse as trustee for Son); Common Stock — 12,357.79 shares (Indirect, 401(k) as of 06-30-2025)

Footnotes (6)

1. F1. Price reflects the weighted average sales price from $129.25 to $129.85. Information regarding the number of shares sold at each separate price will be provided by the reporting person upon request.
2. F2. Reflects the March 7, 2025, transfer of 5,970 shares directly held by the reporting person into the reporting person's existing trust account.
3. F3. Price reflects the weighted average sales price from $132.03 to $132.295. Information regarding the number of shares sold at each separate price will be provided by the reporting person upon request.
4. F4. Price reflects the weighted average sales price from $129.34 to $129.49. Information regarding the number of shares sold at each separate price will be provided by the reporting person upon request.
5. F5. The reporting person's spouse is trustee of this trust.
6. F6. Represents stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

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Accepted by SEC EDGAR 07/30/2025 - 04:07 PM 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^*

FRADKIN STEVEN L

(Last) (First) (Middle)

50 SOUTH LA SALLE ST

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
07/28/2025

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	07/28/2025		S		8,775	D	$129.52(1)	165,051(2)	I	By Trust
Common Stock	07/29/2025		S		5,680	D	$132.11(3)	159,371	I	By Trust
Common Stock	07/30/2025		S		3,775	D	$132.5	155,596	I	By Trust
Common Stock	07/28/2025		S		3,450	D	$129.37(4)	44,347	I	Gift Trust(5)
Common Stock								43,593(2)(6)	D
Common Stock								1,762	I	Spouse as trustee for Daughter
Common Stock								1,762	I	Spouse as trustee for Son
Common Stock								12,357.79	I	401(k) as of 06-30-2025

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. Price reflects the weighted average sales price from $129.25 to $129.85. Information regarding the number of shares sold at each separate price will be provided by the reporting person upon request.

2. Reflects the March 7, 2025, transfer of 5,970 shares directly held by the reporting person into the reporting person's existing trust account.

3. Price reflects the weighted average sales price from $132.03 to $132.295. Information regarding the number of shares sold at each separate price will be provided by the reporting person upon request.

4. Price reflects the weighted average sales price from $129.34 to $129.49. Information regarding the number of shares sold at each separate price will be provided by the reporting person upon request.

5. The reporting person's spouse is trustee of this trust.

6. Represents 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 Steven L. Fradkin	07/30/2025
	** 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.