Northern Trust EVP sells 1,800 shares for $333K

NORTHERN TRUST CORP (NTRS) Executive Vice President Thomas A. South reported a sale of 1,800 shares of common stock on 2026-08-24 at $184.90 per share.

Rhea-AI Filing Summary

NORTHERN TRUST CORP (NTRS) Executive Vice President Thomas A. South reported a sale of 1,800 shares of common stock on 2026-08-24 at $184.90 per share. Following this transaction, he directly holds 92,917 shares, which includes 44,130 stock units payable 1-for-1 in common shares, and indirectly holds 4,316.57 shares through a 401(k) plan as of 2026-06-30.

Insider Trade Summary

Net Seller: 1,800 shares

Net Sell 2 txns

Insider South Thomas A

Role Executive Vice President

Sold 1,800 shs ($333K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	1,800	$184.90	$333K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 92,917 shares (Direct); Common Stock — 4,316.57 shares (Indirect, 401(k) as of 6-30-2026)

Footnotes (1)

1. F1. Includes 44,130 stock units payable automatically on a 1-for-1 basis in shares of the Corporation's common stock.

Key Figures

Shares sold: 1,800 shares Sale price per share: $184.90 per share Approximate sale value: $332,820 +3 more

6 metrics

Shares sold 1,800 shares Common Stock sale on 2026-08-24

Sale price per share $184.90 per share Price for the 1,800 shares sold on 2026-08-24

Approximate sale value $332,820 1,800 shares sold at $184.90 per share

Direct holdings after transaction 92,917 shares Common Stock directly owned after the sale

Included stock units 44,130 stock units Units payable 1-for-1 in common shares included in direct holdings

Indirect 401(k) holdings 4,316.57 shares Common Stock held indirectly in 401(k) as of 2026-06-30

Key Terms

stock units, 1-for-1 basis, 401(k), indirect ownership

4 terms

stock units financial

"Includes 44,130 stock units payable automatically on a 1-for-1 basis"

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.

1-for-1 basis financial

"stock units payable automatically on a 1-for-1 basis in shares"

401(k) financial

"indirect ownership: 401(k) as of 6-30-2026"

A 401(k) is a type of retirement savings plan offered by employers that allows workers to set aside a portion of their paycheck before taxes are taken out. The money saved in a 401(k) can grow over time through investments, helping individuals build funds for their future retirement. It matters to investors because it provides a tax-advantaged way to save and invest for long-term financial security.

indirect ownership financial

"ownership_type: indirect, nature_of_ownership: 401(k)"

FAQ

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

What did NTRS Executive Vice President Thomas A. South report in this Form 4?

He reported a sale of 1,800 shares of Northern Trust common stock on 2026-08-24 at $184.90 per share, and updated his direct and indirect holdings after the transaction.

How many NTRS shares did Thomas A. South sell and at what price?

Thomas A. South sold 1,800 shares of Northern Trust common stock at a price of $184.90 per share, according to the Form 4 filing.

What are Thomas A. South’s direct holdings in NTRS after the reported sale?

After the sale, Thomas A. South directly holds 92,917 shares of Northern Trust common stock, which the filing states includes 44,130 stock units payable automatically on a 1-for-1 basis in common shares.

What indirect NTRS holdings does Thomas A. South report in this filing?

He reports indirect ownership of 4,316.57 shares of Northern Trust common stock through a 401(k) plan, with the holdings stated as of 2026-06-30.

How much stock value did Thomas A. South dispose of in this NTRS Form 4 transaction?

Based on 1,800 shares sold at $184.90 per share, the transaction value is approximately $332,820, reflecting the aggregate proceeds from the reported sale.

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

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Available on EDGAR 08/25/2026 - 04:18 PM EDT Accepted by SEC EDGAR 08/25/2026 - 04:18 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^*

South Thomas A

(Last) (First) (Middle)

50 SOUTH LA SALLE ST

(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)
	Executive Vice President

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/24/2026

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	08/24/2026		S		1,800	D	$184.9	92,917(1)	D
Common Stock								4,316.57	I	401(k) as of 6-30-2026

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 44,130 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 Thomas A. South	08/25/2026
	** 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)