FDS Insider Files Form 4: 367 Performance Share Units to Vest Nov 1, 2025

Rhea-AI Filing Summary

John Costigan, Chief Data Officer of FactSet Research Systems Inc. (FDS), was awarded 367 Performance Share Units (PSUs) that were certified as earned by the Compensation and Talent Committee on 09/15/2025. Each PSU converts 1-for-1 into common stock and carries a reported price of $0. The PSUs are scheduled to vest on 11/01/2025 provided Costigan remains continuously employed through that date. Following the reported transaction, Costigan beneficially owns 367 shares on a direct basis. The Form 4 was executed on behalf of Costigan by an attorney in fact and filed to disclose this earned, time‑conditioned equity award.

Positive

• Performance-based award certified by the Compensation and Talent Committee, indicating achievement of specified goals
• 1-for-1 conversion of PSUs to common stock simplifies shareholder alignment
• Shares are direct ownership, increasing the reporting person's alignment with shareholders upon vesting

Negative

• None.

Insights

Corporate Governance Expert

TL;DR: A routine, committee-certified performance award that increases insider alignment with shareholder outcomes.

The filing documents a standard equity compensation outcome: 367 PSUs were certified as earned by the Compensation and Talent Committee and will vest subject to continued employment. This is a disclosure of earned, not purchased, shares and reflects compensation governance processes functioning as designed. The direct beneficial ownership of 367 shares is modest relative to company scale and represents a retention and performance incentive rather than material insider accumulation.

Compensation Analyst

TL;DR: Performance awards settled in PSUs with a set vesting date; no cash consideration was reported.

The report shows PSUs that convert 1-for-1 to common stock and are reported at a price of $0, consistent with award grants that vest into shares rather than representing a market purchase. Vesting is scheduled for 11/01/2025 contingent on continuous employment. The certification date of 09/15/2025 indicates the Compensation and Talent Committee has confirmed achievement of performance criteria. This is a routine compensation settlement with limited immediate market impact.

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

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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^*

Costigan John

(Last) (First) (Middle)

FACTSET RESEARCH SYSTEMS INC.

45 GLOVER AVENUE

(Street)

NORWALK CT 06850

(City) (State) (Zip)

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)
	Chief Data Officer

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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

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
Performance Share Unit	(1)	09/15/2025		A		367(2)		(2)	(2)	Common Stock	367	$0	367	D

Explanation of Responses:

1. PSUs correspond 1-for-1 with Common Stock.

2. Represents Performance Share Units ("PSUs") earned by Reporting Person upon achievement of performance goals, as certified by the Compensation and Talent Committee on September 15, 2025. The PSUs are scheduled to vest on November 1, 2025, provided the Reporting Person remains continuously employed by the Issuer on that date.

Remarks:

	/s/ WINNIFRED LEWIS, Attorney in Fact for John Costigan	09/17/2025
	** 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.

FAQ

What did John Costigan report on Form 4 for FDS?

He reported 367 Performance Share Units (PSUs) earned, certified on 09/15/2025, converting 1-for-1 to common stock and scheduled to vest on 11/01/2025.

Do the reported PSUs require payment or purchase by the reporting person?

No purchase price was reported; the PSUs are listed with a price of $0, consistent with an earned equity award rather than a purchase.

When will the PSUs vest into shares for FDS insider John Costigan?

The PSUs are scheduled to vest on 11/01/2025, provided the reporting person remains continuously employed by the issuer on that date.

How many shares does John Costigan beneficially own after this transaction?

367 shares are reported as beneficially owned following the transaction, held directly.

Who certified the PSUs and when was the Form 4 signed?

The Compensation and Talent Committee certified the PSUs on 09/15/2025 and the Form 4 was signed on behalf of John Costigan by an attorney in fact on 09/17/2025.