Sec Form 5 Filing - FRANKENFIELD MICHAEL D @ FACTSET RESEARCH SYSTEMS INC - 2015-08-31

FORM 5 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

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, 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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1. Name and Address of Reporting Person FRANKENFIELD MICHAEL D 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 _____ Officer (give title below) X __ Other (specify below) Vice Chairman (Last) (First) (Middle) 601 MERRITT 7 3. Date of Earliest Transaction (MM/DD/YY) 08/31/2015 (Street) NORWALK, CT06851 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 FactSet Common Stock 07/21/2015 A V 0 A $ 0 14,677 ( 1 ) 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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 7. Title and Amount of Underlying Securities (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 of Derivative Security: 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 Non-Qualified Stock Option (right to buy) $ 66.46 01/21/2015 A V 0 10/23/2010( 3 ) 10/23/2016 FactSet Common Stock 1,656 ( 2 ) $ 0 1,656 D Non-Qualified Stock Option (right to buy) $ 63.09 01/21/2015 A V 0 02/09/2016( 4 ) 02/09/2017 FactSet Common Stock 70,392 ( 2 ) $ 0 70,392 D Non-Qualified Stock Option (right to buy) $ 94.84 01/21/2015 A V 0 11/01/2012( 3 ) 11/01/2021 FactSet Common Stock 9,458 ( 2 ) $ 0 9,458 D Non-Qualified Stock Option (right to buy) $ 92.22 01/21/2015 A V 0 11/01/2013( 3 ) 11/01/2022 FactSet Common Stock 11,282 ( 2 ) $ 0 11,282 D Non-Qualified Stock Option (right to buy) $ 92.22 01/21/2015 A V 0 11/01/2014( 5 ) 11/01/2022 FactSet Common Stock 3,698 ( 2 ) $ 0 3,698 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other FRANKENFIELD MICHAEL D 601 MERRITT 7 NORWALK, CT06851 Vice Chairman Signatures /s/ Michael D. Frankenfield 07/21/2015 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Represents previously granted restricted stock awards, which remain outstanding as of July 21, 2015. ( 2 )Represents previously granted stock option awards, which remain outstanding as of July 21, 2015. ( 3 )20% of these option grants became exercisable one year after grant date, with the remainder continuing to vest at 1.67% per month thereafter. ( 4 )The remaining options granted on February 9, 2010 cliff vest 100% after six years of service. ( 5 )40% of these options became exercisable two years after grant date, with the remainder continuing to vest at 1.67% per month thereafter.

Remarks: On January 21, 2015, Michael Frankenfield stepped down from his position as Executive Vice President, Global Director of Sales, and was succeeded by Scott Miller. As such, Michael Frankenfield ceased to be an officer of FactSet Research Systems Inc. (the "Company") under existing SEC guidelines, effective January 21, 2015, and prospectively. SEC guidelines require beneficial ownership reporting for former officers for six months after the effective date of their removal as an officer of the Company. The detail presented herein represents Mr. Frankenfield's holdings as of July 21, 2015. This Form 5 is being filed prior to the October 15, 2015 deadline for administrative convenience to reflect the change in the reporting person's status.

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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