FORM 5
[ X ] 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 		UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

                                                                                  

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

SIEBECKER WALTER F

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
_____ Officer (give title below)      _____ Other (specify below)

(Last)          (First)          (Middle)

601 MERRITT 7

3. Statement for Issuer's Fiscal Year Ended (MM/DD/YYYY)
8/31/2015 
(Street)

NORWALK, CT 06851

(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
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. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. 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)
Amount (A) or (D) Price
FactSet Common Stock                 25828   (1) D    

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. 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
(MM/DD/YYYY) 		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 at End of Issuer's Fiscal Year
(Instr. 4) 		10. Ownership Form of Derivative Security: 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)  Represents 25,828 privately-held shares of FactSet Common Stock.

Remarks:
Prior to the 2015 Annual Meeting of Stockholders of FactSet Research Systems Inc. ("FactSet" or the "Company") held on December 15, 2015, the Board of Directors of FactSet accepted the resignation of Walter F. Siebecker, Director, and his related responsibilities as a member of both the Audit and Compensation Committees. Mr. Siebecker's resignation was effective December 15, 2015, the date of the Company's 2015 Annual Meeting of Stockholders. SEC guidelines require beneficial ownership reporting for former directors for six months after the effective date of their removal as a director of the Company. The detail presented herein represents Mr. Siebecker's holdings as of June 15, 2016. Accordingly, as of the date of the filing of this Form 5, Mr. Siebecker is no longer subject to Section 16 of the Exchange Act.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
SIEBECKER WALTER F
601 MERRITT 7
NORWALK, CT 06851 		X



Signatures
/s/ Walter F. Siebecker 6/15/2016
** 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 control number.
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