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[Form 4] Factset Research Systems Insider Trading Activity

Filing Impact
(Very High)
Filing Sentiment
(Negative)
Form Type
4
Insider Moskoff Gregory T
Role MD,Controller and CAO
Sold 2,500 shs ($1.11M)
Approx. gross sale proceeds $1.11M
Approx. exercise cost $689K
Approx. pre-tax spread $417K
Type Security Shares Price Value
Exercise Employee Stock Option (right to buy) 1,060 $0.00 $0.00
Exercise Employee Stock Option (right to buy) 1,039 $0.00 $0.00
Exercise Employee Stock Option (right to buy) 401 $0.00 $0.00
Exercise Common Stock 401 $316.71 $127K
Exercise Common Stock 1,060 $279.43 $296K
Exercise Common Stock 1,039 $255.87 $266K
Sale Common Stock 491 $440.56 $216K
Sale Common Stock 296 $441.36 $131K
Sale Common Stock 591 $442.54 $262K
Sale Common Stock 1,024 $443.80 $454K
Sale Common Stock 98 $444.48 $44K
Holdings After Transaction: Employee Stock Option (right to buy) — 622 shares (Direct); Common Stock — 43.9586 shares (Direct)
Footnotes (7)
  1. F1. This transaction was executed in multiple trades with sales prices ranging from $439.84 to $440.78. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
  2. F2. This transaction was executed in multiple trades with sales prices ranging from $441.08 to $441.59. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
  3. F3. This transaction was executed in multiple trades with sales prices ranging from $442.20 to $442.91. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
  4. F4. This transaction was executed in multiple trades with sales prices ranging from $443.35 to $444.32. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
  5. F5. Options were granted on August 1, 2019 and vest 20% per year over five years upon the anniversary of the date of grant.
  6. F6. Options were granted on November 1, 2019 and vest 20% per year over five years upon the anniversary of the date of grant.
  7. F7. Options were granted on November 9, 2020 and vest 20% per year over five years upon the anniversary of the date of grant.

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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*
Moskoff Gregory T
(Last) (First) (Middle)
C/O 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)
MD,Controller and CAO
3. Date of Earliest Transaction (Month/Day/Year)
07/09/2025
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
Common Stock 07/09/2025 M 401 A $316.71 444.9586 D
Common Stock 07/09/2025 M 1,060 A $279.43 1,504.9586 D
Common Stock 07/09/2025 M 1,039 A $255.87 2,543.9586 D
Common Stock 07/09/2025 S 491 D $440.56(1) 2,052.9586 D
Common Stock 07/09/2025 S 296 D $441.36(2) 1,756.9586 D
Common Stock 07/09/2025 S 591 D $442.54(3) 1,165.9586 D
Common Stock 07/09/2025 S 1,024 D $443.8(4) 141.9586 D
Common Stock 07/09/2025 S 98 D $444.48 43.9586 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
Employee Stock Option (right to buy) $279.43 07/09/2025 M 1,060 (5) 08/01/2029 Common Stock 1,060 $0 0 D
Employee Stock Option (right to buy) $255.87 07/09/2025 M 1,039 (6) 11/01/2029 Common Stock 1,039 $0 0 D
Employee Stock Option (right to buy) $316.71 07/09/2025 M 401 (7) 11/09/2030 Common Stock 401 $0 622 D
Explanation of Responses:
1. This transaction was executed in multiple trades with sales prices ranging from $439.84 to $440.78. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
2. This transaction was executed in multiple trades with sales prices ranging from $441.08 to $441.59. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
3. This transaction was executed in multiple trades with sales prices ranging from $442.20 to $442.91. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
4. This transaction was executed in multiple trades with sales prices ranging from $443.35 to $444.32. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
5. Options were granted on August 1, 2019 and vest 20% per year over five years upon the anniversary of the date of grant.
6. Options were granted on November 1, 2019 and vest 20% per year over five years upon the anniversary of the date of grant.
7. Options were granted on November 9, 2020 and vest 20% per year over five years upon the anniversary of the date of grant.
Remarks:
/s/ JILL CHAVARRIA, Attorney in Fact for Gregory T. Moskoff 07/10/2025
** 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.

Source: View Original Filing on SEC EDGAR