SEC Form 5
FORM 5 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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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).
  
Form 3 Holdings Reported.
  
Form 4 Transactions Reported.
1. Name and Address of Reporting Person*
HADLEY PHILIP A

(Last) (First) (Middle)
FACTSET RESEARCH SYSTEMS INC
601 MERRITT 7

(Street)
NORWALK CT 06851

(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)
X Director 10% Owner
X Officer (give title below) Other (specify below)
Chairman of the Board & CEO
3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
10/13/2005
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 at end of Issuer's Fiscal Year (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Amount (A) or (D) Price
FactSet Common Stock 09/01/2004 A 209 ( 1 ) A $44.53 849,178 D
FactSet Common Stock 09/21/2004 A 310 ( 1 ) A $48.9 849,488 D
FactSet Common Stock 11/30/2004 A 23 ( 2 ) A $39.015 849,511 D
FactSet Common Stock 12/21/2004 A 283 ( 1 ) A $53.66 849,794 D
FactSet Common Stock 02/05/2005 A 108,652 ( 3 ) A $36.4933 958,446 D
FactSet Common Stock 02/28/2005 A 246 ( 2 ) A $28.0415 958,692 D
FactSet Common Stock 03/21/2005 A 497 ( 1 ) A $32.8 959,189 D
FactSet Common Stock 05/31/2005 A 220 ( 2 ) A $27.2085 959,409 D
FactSet Common Stock 06/17/2005 A 485 ( 1 ) A $33.665 959,894 D
FactSet Common Stock 08/31/2005 A 255 ( 2 ) A $27.2765 960,149 D
FactSet Common Stock 09/21/2005 A 432 ( 1 ) A $37.8 960,581 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)
(A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Explanation of Responses:
1. Additional shares received as dividends on ESOP participation.
2. Additional shares acquired through FactSet Research Systems Inc. Employee Stock Purchase Plan.
3. Additional shares received as a result of 3 for 2 stock split on February 4, 2005.
Philip A. Hadley 10/13/2005
** 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).
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