Northern Trust director acquires 80 shares by award

A director's direct post-transaction amount was 35,949 shares, with a separate 4,724-share holding reported indirectly by trust.

Rhea-AI Filing Summary

Northern Trust Corp director Charles A. Tribbett acquired 80 shares of common stock through a grant/award on October 1, 2026. The reported price per share was $169.20. His reported direct post-transaction amount was 35,949 shares, identified as stock units payable automatically on a 1-for-1 basis in common shares. A separate 4,724-share common-stock holding was reported indirectly by trust.

Insider Trade Summary

Grant/Award: 80.16 shares

Grant/Award 2 txns

Insider Tribbett Charles A

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	80.16	$169.20	$14K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 35,948.64 shares (Direct); Common Stock — 4,724 shares (Indirect, By Trust)

Footnotes (1)

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

Key Figures

Award shares: 80 shares Reported price per share: $169.20 per share Direct post-transaction amount: 35,949 shares +1 more

4 metrics

Award shares 80 shares Grant/award acquisition reported October 1, 2026

Reported price per share $169.20 per share Grant/award reported October 1, 2026

Direct post-transaction amount 35,949 shares Reported October 1, 2026; stock units payable automatically on a 1-for-1 basis in common shares

Indirect trust holding 4,724 shares Reported October 1, 2026

Key Terms

stock units, payable automatically, 1-for-1 basis

3 terms

stock units financial

"Represents stock units payable automatically"

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.

payable automatically financial

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

1-for-1 basis financial

"automatically on a 1-for-1 basis in shares"

FAQ

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

How many shares did Northern Trust (NTRS) director Charles A. Tribbett acquire?

Charles A. Tribbett acquired 80 shares of Northern Trust Corp common stock through a grant/award on October 1, 2026. The reported price per share was $169.20. His direct post-transaction amount was 35,949 shares; a separate 4,724-share holding was reported indirectly by trust.

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

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 10/02/2026 - 06:09 PM Accepted by SEC EDGAR 10/02/2026 - 06:09 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^*

Tribbett Charles 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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/01/2026

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	10/01/2026		A		80.16	A	$169.2	35,948.64(1)	D
Common Stock								4,724	I	By Trust

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. 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 Charles A. Tribbett	10/02/2026
	** 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)