STOCK TITAN

[Form 4] NORTHERN TRUST CORP Insider Trading Activity

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

NORTHERN TRUST CORP Executive Vice President Thomas A. South reported a routine gift transfer of common stock. He made a bona fide gift of 1,300 shares of Northern Trust common stock, a non-market transaction that does not involve a sale for cash.

After the gift, South directly holds 95,037 common shares. He also has 4,284.3200 shares held indirectly through a 401(k) plan as of March 31, 2026, and a separate position of 44,130 stock units that are payable on a 1-for-1 basis in shares of Northern Trust common stock.

Positive

  • None.

Negative

  • None.
Insider South Thomas A
Role Executive Vice President
Type Security Shares Price Value
Gift Common Stock 1,300 $0.00 --
holding Common Stock -- -- --
Holdings After Transaction: Common Stock — 95,037 shares (Direct, null); Common Stock — 4,284.32 shares (Indirect, 401(k) as of 3-31-2026)
Footnotes (1)
  1. [object Object]
Shares gifted 1,300 shares Bona fide gift of common stock
Direct shares after transaction 95,037 shares Common stock held directly by Thomas A. South
401(k) plan holdings 4,284.3200 shares Common stock held indirectly via 401(k) as of March 31, 2026
Stock units 44,130 units Stock units payable 1-for-1 in common stock
Gift transactions 1 Single bona fide gift recorded in this Form 4
bona fide gift financial
"transaction_code_description": "Bona fide gift""
A bona fide gift is a genuine, voluntary transfer of money, property, or benefits from one party to another made without expectation of repayment, services, or hidden conditions. Investors care because such gifts can affect company disclosures, related‑party transaction rules, tax treatment, and perceived conflicts of interest; think of it like someone giving you a present with no strings attached — but on a corporate scale, auditors and regulators need to verify it really is unconditional.
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.
401(k) financial
"nature_of_ownership": "401(k) as of 3-31-2026""
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""
Form 4 regulatory
"INSIDER FILING DATA (Form 4):"
Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.
SEC Form 4
FORM 4UNITED 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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Executive Vice President
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/04/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock05/04/2026G1,300D$095,037(1)D
Common Stock4,284.32I401(k) as of 3-31-2026
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount 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. South05/04/2026
** Signature of Reporting PersonDate
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 insider transaction did NORTHERN TRUST CORP (NTRS) disclose for Thomas A. South?

NORTHERN TRUST CORP reported that Executive Vice President Thomas A. South made a bona fide gift of 1,300 shares of common stock. This Form 4 filing records a non-market transfer, meaning no cash sale occurred and the shares were transferred as a gift.

How many NORTHERN TRUST CORP (NTRS) shares does Thomas A. South hold after the reported gift?

After the 1,300-share gift, Thomas A. South directly holds 95,037 Northern Trust common shares. This direct position is separate from his retirement-plan holdings and stock units, which are reported as indirect and deferred equity interests in the filing.

What indirect NORTHERN TRUST CORP (NTRS) holdings does Thomas A. South report?

Thomas A. South reports 4,284.3200 Northern Trust common shares held indirectly through a 401(k) plan as of March 31, 2026. These retirement-plan holdings are separate from his directly owned shares and are classified as indirect ownership in the filing.

What are the 44,130 stock units reported for NORTHERN TRUST CORP (NTRS)?

The filing notes 44,130 stock units payable automatically on a 1-for-1 basis in Northern Trust common stock. These units represent deferred equity-based compensation that will be settled in common shares rather than cash when they become payable.

Does the NORTHERN TRUST CORP (NTRS) Form 4 show any stock sales by Thomas A. South?

The Form 4 does not report any open-market stock sales by Thomas A. South. It records a bona fide gift of 1,300 shares and updates his direct and indirect share and stock unit holdings following this non-cash transfer.