FactSet officer Moskoff receives 97 vested shares

45 shares were withheld for taxes at a reported price of $329.57 per share.

Available on EDGAR 11/02/2026 - 04:56 PM EST Accepted by SEC EDGAR 11/02/2026 - 04:55 PM EST

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Form Type

Rhea-AI Filing Summary

FactSet Research Systems Inc. officer Gregory T. Moskoff, identified as MD, Controller and CAO, reported the November 1, 2026 vesting of 97 performance share units granted November 1, 2023, and receipt of 97 common shares. The PSU position following vesting was 0 units. Separately, 45 common shares were withheld to cover taxes upon vesting; the reported price was $329.57 per share.

Insider Trade Summary

97 shares exercised/converted

Exercise 3 txns

Insider Moskoff Gregory T

Role MD,Controller and CAO

Type	Security	Shares	Price	Value
Exercise	Performance Share Unit ^F3	97	$0.00	$0.00
Exercise	Common Stock ^F1	97	$0.00	$0.00
Tax Withholding	Common Stock ^F2	45	$329.57	$15K

Holdings After Transaction: Performance Share Unit — 0 contracts (Direct); Common Stock — 276.5311 shares (Direct)

Footnotes (3)

F1. Represents common stock received upon the vesting on November 1, 2026 of performance share units ("PSUs") granted on November 1, 2023.
F2. Represents the number of shares withheld to cover the cost of taxes upon vesting on November 1, 2026 of PSUs granted on November 1, 2023.
F3. Reflects vesting on November 1, 2026 of PSUs granted on November 1, 2023.

Key Figures

Performance share units vested: 97 units Common shares received: 97 shares Common shares withheld for taxes: 45 shares +2 more

5 metrics

Performance share units vested 97 units Vested November 1, 2026

Common shares received 97 shares Upon vesting on November 1, 2026

Common shares withheld for taxes 45 shares Upon vesting on November 1, 2026

Reported price per share withheld $329.57 per share Tax withholding upon vesting

Performance share unit position following vesting 0 units Following the November 1, 2026 vesting

Key Terms

performance share units, vesting, shares withheld to cover the cost of taxes

3 terms

vesting financial

"upon the vesting on November 1, 2026"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

shares withheld to cover the cost of taxes financial

"shares withheld to cover the cost of taxes upon vesting"

FAQ

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

How many shares did the FDS officer receive from PSU vesting?

FactSet Research Systems Inc. officer Gregory T. Moskoff, identified as MD, Controller and CAO, received 97 common shares when 97 performance share units vested on November 1, 2026. The units were granted on November 1, 2023.

How many FDS shares were withheld for taxes when the officer's PSUs vested?

FactSet Research Systems Inc. officer Gregory T. Moskoff, identified as MD, Controller and CAO, had 45 common shares withheld to cover the cost of taxes upon vesting on November 1, 2026. The reported price was $329.57 per share.

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

Form 4 Insider Transactions: What Each Field Means →

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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^*

Moskoff Gregory T

(Last)

(First)

(Middle)

C/O FACTSET RESEARCH SYSTEMS INC.

45 GLOVER AVENUE

(Street)

NORWALK

CONNECTICUT

06850

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
FACTSET RESEARCH SYSTEMS INC [ FDS ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	MD,Controller and CAO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/01/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	11/01/2026		M		97⁽¹⁾	A	$0	321.5311	D
Common Stock	11/01/2026		F		45⁽²⁾	D	$329.57	276.5311	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Performance Share Unit	⁽³⁾	11/01/2026		M			97	⁽³⁾	⁽³⁾	Common Stock	97	$0	0	D

Explanation of Responses:

1. Represents common stock received upon the vesting on November 1, 2026 of performance share units ("PSUs") granted on November 1, 2023.

2. Represents the number of shares withheld to cover the cost of taxes upon vesting on November 1, 2026 of PSUs granted on November 1, 2023.

3. Reflects vesting on November 1, 2026 of PSUs granted on November 1, 2023.

Remarks:

	/s/ WINNIFRED LEWIS, Attorney in Fact for Gregory T. Moskoff	11/02/2026
	** 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)

Source: View Original Filing on SEC EDGAR