form4-mfd2.htm

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 4

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 Act of 1935 or Section 30(f) of the Investment Company Act of 1940

  1. Name and Address of Reporting Person:

           Wong, Ernest S.
           FactSet Research Systems Inc.
           One Greenwich Plaza
           Greenwich, CT 06830

  2. Issuer Name and Ticker or Trading Symbol:

           FactSet Research Systems Inc. (FDS)

  3. IRS Number of Reporting Person, if an entity (voluntary)

            N/A

  4. Statement for Month/Year:

           December 2001

  5. If Amendment, Date of Original ( Month/Year):

            N/A

  6. Relationship of Reporting Person to Issuer:

           ( ) Director    (X) Officer (*give title below)   ( ) 10% Owner

           ( ) Other (specify below)

           * Senior Vice President, Chief Financial Officer, and Secretary

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

           (X) Form filed by one reporting person

           ( ) Form filed by more then one reporting person








TABLE  I  -  NON-DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED

      4. Securities Acquired (A)
3. Transaction Code
 or Disposed (D)
1. Title of Security 2. Transaction Date Code              V Amount (A) or (D) Price
FactSet Research 12/27/01 P                5,000      A $5.6667
Systems Inc.                            
Common Stock                            


  1. Amount of Securities Beneficially Owned at End of Month

           54,012

  2. Ownership Form:   Direct (D) or Indirect (I)

           D

  3. Nature of Indirect Beneficial Ownership

           N/A


TABLE II    -   DERIVATIVE SECURITIES ACQUIRED, DISPOSED OF, OR BENEFICIALLY OWNED
(e.g., puts, calls, warrants, options, convertible securities)
1.  Title of 2.  Conversion or 3.  Transaction 4.  Transaction 5.  Number of Derivative
      Derivative       Exercise Price       Date       Code      Securities Acquired  (A)
      Security       of Derivative                     or Disposed  (D)
      Security       
          Code          V (A)              (D)
FactSet Research $5.6667 12/27/01 X                                        5,000
Systems Inc.                                             
Stock Options                                             


  1. Date Exercisable and Expiration Date (Month/Day/Year)

           N/A

  2. Title and Amount of Underlying Securities

           N/A

  3. Price of Derivative Security

           N/A



  4. Number of Derivative Securities Beneficially Owned at End of Month

           150,890

  5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)

           D

  6. Nature of Indirect Beneficial Ownership

           N/A



Explanation of Responses:







 
Signature of Reporting Person
       
Date: January 10, 2002 /s/  Ernest S. Wong
---------------------------
Ernest S. Wong