State Street (NYSE: STT) EVP and COO reports 91-share tax withholding

Rhea-AI Filing Summary

STATE STREET CORP EVP and COO Mostapha Tahiri reported a small, routine tax-related share disposition. On the vesting of previously awarded deferred stock, 91 shares of Common Stock were withheld to satisfy tax withholding obligations. Following this withholding, Tahiri directly holds 64,551 shares of State Street common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider TAHIRI MOSTAPHA

Role EVP and COO

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	91	$152.85	$14K

Holdings After Transaction: Common Stock — 64,551 shares (Direct, null)

Footnotes (1)

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Key Figures

Shares withheld for taxes: 91 shares Tax withholding reference price: $152.85 per share Shares held after transaction: 64,551 shares

3 metrics

Shares withheld for taxes 91 shares Tax-withholding disposition on deferred stock vesting

Tax withholding reference price $152.85 per share Price per share used in the F-code transaction

Shares held after transaction 64,551 shares Direct holdings after tax-withholding event

Key Terms

tax withholding obligations, deferred stock, Form 4

3 terms

tax withholding obligations financial

"These shares were withheld to satisfy tax withholding obligations in connection with the vesting..."

deferred stock financial

"in connection with the vesting of previously awarded deferred stock."

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.

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^*

TAHIRI MOSTAPHA

(Last) (First) (Middle)

STATE STREET CORPORATION

ONE CONGRESS STREET

(Street)

BOSTON MASSACHUSETTS 02114

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
STATE STREET CORP [ STT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/15/2026

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	05/15/2026		F		91(1)	D	$152.85	64,551	D

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. These shares were withheld to satisfy tax withholding obligations in connection with the vesting of previously awarded deferred stock.

Remarks:

	/s/ Shannon C. Stanley, Attorney-in-fact	05/19/2026
	** 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 insider transaction did STATE STREET CORP (STT) report for Mostapha Tahiri?

STATE STREET CORP reported that EVP and COO Mostapha Tahiri had 91 common shares withheld for taxes. The withholding was tied to vesting of previously awarded deferred stock, not an open-market sale, and is a standard compensation-related event.

Was the STT insider transaction by Mostapha Tahiri a market sale of shares?

No, the transaction was not a market sale. It was a tax-withholding disposition where 91 shares were withheld to cover tax obligations when deferred stock vested, rather than shares being sold on the open market.

How many STATE STREET CORP shares were involved in Mostapha Tahiri’s Form 4 filing?

The Form 4 shows 91 common shares were withheld to satisfy tax obligations. This occurred in connection with the vesting of previously awarded deferred stock, and represents a very small portion of his total reported holdings.

How many STATE STREET CORP (STT) shares does Mostapha Tahiri hold after this transaction?

After the tax-withholding transaction, Mostapha Tahiri directly holds 64,551 shares of STATE STREET CORP common stock. This figure reflects his position after 91 shares were withheld to satisfy tax obligations on vesting deferred stock.

What does transaction code F mean in the STT Form 4 for Mostapha Tahiri?

Transaction code F indicates a tax-withholding disposition. In this case, 91 shares of STATE STREET CORP common stock were withheld to pay tax liabilities arising from the vesting of previously granted deferred stock, rather than being voluntarily sold in the market.