Northern Trust (NTRS) director adds stock units and reports trust holdings

Rhea-AI Filing Summary

Tribbett Charles A reported acquisition or exercise transactions in this Form 4 filing.

Northern Trust Corp director Charles A. Tribbett received 86.31 stock units of common stock on April 1, 2026 at a reference value of $141.41 per share. After this award, he directly holds 36,711.58 shares. He also has 2,822 shares held indirectly through a trust. The stock units are payable on a 1-for-1 basis in common shares.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Tribbett Charles A

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	86.31	$141.41	$12K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 36,711.58 shares (Direct); Common Stock — 2,822 shares (Indirect, By Trust)

Footnotes (1)

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Key Figures

Stock units granted: 86.31 units Grant reference price: $141.41 per share Direct holdings after award: 36,711.58 shares +2 more

5 metrics

Stock units granted 86.31 units Director stock unit award on April 1, 2026

Grant reference price $141.41 per share Value used for stock unit award reporting

Direct holdings after award 36,711.58 shares Common stock directly held by Tribbett after transaction

Indirect trust holdings 2,822 shares Common stock held indirectly by trust

Stock unit conversion ratio 1 unit : 1 share Stock units payable 1-for-1 in common stock

Key Terms

stock units, 1-for-1 basis, indirect ownership, By Trust, +1 more

5 terms

stock units financial

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

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

"payable automatically on a 1-for-1 basis in shares of the Corporation's common stock"

indirect ownership financial

"total_shares_following_transaction: 2822.0000, direct_or_indirect: I, nature_of_ownership: By Trust"

By Trust financial

"direct_or_indirect: I, nature_of_ownership: By Trust"

grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

Form 4 Insider Transactions: What Each Field Means →

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)
04/01/2026

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	04/01/2026		A		86.31	A	$141.41	36,711.58(1)	D
Common Stock								2,822	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	04/02/2026
	** 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)

FAQ

What did Northern Trust (NTRS) director Charles A. Tribbett receive in this report?

Charles A. Tribbett received 86.31 stock units tied to Northern Trust common stock. These units are payable on a 1-for-1 basis in shares, increasing his direct holdings to 36,711.58 shares, separate from additional shares held indirectly through a trust.

At what value were the Northern Trust (NTRS) stock units awarded to Charles A. Tribbett?

The 86.31 stock units were awarded at a reference value of $141.41 per share. This value is used for reporting the grant and does not necessarily represent a cash transaction or open‑market purchase by the director.

How many Northern Trust (NTRS) shares does Charles A. Tribbett hold after this award?

After the stock unit award, Charles A. Tribbett directly holds 36,711.58 Northern Trust common shares. In addition, a separate indirect holding of 2,822 shares is reported as held by a trust, reflecting ownership through an affiliated entity.

What does it mean that Tribbett’s Northern Trust (NTRS) units are payable 1-for-1 in common stock?

The 1-for-1 description means each stock unit represents the right to receive one share of Northern Trust common stock. This structure is common for director compensation, aligning their interests with shareholders by tying value directly to the share price.

What is the significance of the ‘By Trust’ indirect ownership for NTRS in this report?

The report shows 2,822 Northern Trust shares held indirectly “By Trust,” indicating ownership through a trust entity. This distinguishes shares held via an intermediary from Tribbett’s 36,711.58 shares held directly in his own name.