Ownership Submission
FORM 4
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 OF SECURITIES

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
Robie Robert J.
   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)
EVP, Head of Trading&Analytics
(Last)
(First)
(Middle)
C/O FACTSET RESEARCH SYSTEMS INC., 601 MERRITT 7		 3. Date of Earliest Transaction (Month/Day/Year)
03/27/2019
(Street)

NORWALK, CT 06851		 4. If Amendment, Date 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
(City)
(State)
(Zip)
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 03/27/2019   M   2,720 A $ 102.01 4,331 D  
Common Stock 03/27/2019   M   934 A $ 159.14 5,265 D  
Common Stock 03/27/2019   M   1,467 A $ 175.2 6,732 D  
Common Stock 03/27/2019   M   963 A $ 152.28 7,695 D  
Common Stock 03/27/2019   M   2,324 A $ 166.18 10,019 D  
Common Stock 03/27/2019   M   1,038 A $ 189.98 11,057 D  
Common Stock 03/27/2019   S   800 D $ 239.55 (1) 10,257 D  
Common Stock 03/27/2019   S   700 D $ 240.83 (2) 9,557 D  
Common Stock 03/27/2019   S   920 D $ 241.99 (3) 8,637 D  
Common Stock 03/27/2019   S   300 D $ 243.12 (4) 8,337 D  
Common Stock 03/27/2019   S   934 D $ 243.07 (5) 7,403 D  
Common Stock 03/27/2019   S   504 D $ 239.55 (6) 6,899 D  
Common Stock 03/27/2019   S   300 D $ 240.85 (7) 6,599 D  
Common Stock 03/27/2019   S   500 D $ 241.91 (8) 6,099 D  
Common Stock 03/27/2019   S   163 D $ 243.09 (9) 5,936 D  
Common Stock 03/27/2019   S   963 D $ 241.71 4,973 D  
Common Stock 03/27/2019   S   600 D $ 239.52 (10) 4,373 D  
Common Stock 03/27/2019   S   510 D $ 240.47 (11) 3,863 D  
Common Stock 03/27/2019   S   700 D $ 241.7 (12) 3,163 D  
Common Stock 03/27/2019   S   414 D $ 242.51 (13) 2,749 D  
Common Stock 03/27/2019   S   100 D $ 243.47 2,649 D  
Common Stock 03/27/2019   S   438 D $ 240.81 (14) 2,211 D  
Common Stock 03/27/2019   S   600 D $ 242.82 (15) 1,611 D  
Common Stock 03/27/2019   S   512 D $ 239.71 (16) 1,099 D  
Common Stock 03/27/2019   S   301 D $ 240.71 (17) 798 D  
Common Stock 03/27/2019   S   200 D $ 241.93 (18) 598 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 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
Employee Stock Option (right to buy) $ 102.01 03/27/2019   M     2,720   (19) 02/03/2024 Common Stock 2,720 $ 0 0 D  
Employee Stock Option (right to buy) $ 159.14 03/27/2019   M     934   (20) 05/01/2025 Common Stock 934 $ 0 623 D  
Employee Stock Option (right to buy) $ 175.2 03/27/2019   M     1,467   (21) 11/02/2025 Common Stock 1,467 $ 0 977 D  
Employee Stock Option (right to buy) $ 152.28 03/27/2019   M     963   (22) 11/01/2026 Common Stock 963 $ 0 2,890 D  
Employee Stock Option (right to buy) $ 166.18 03/27/2019   M     2,324   (23) 06/30/2027 Common Stock 2,324 $ 0 9,293 D  
Employee Stock Option (right to buy) $ 189.98 03/27/2019   M     1,038   (24) 11/02/2027 Common Stock 1,038 $ 0 4,141 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Robie Robert J.
C/O FACTSET RESEARCH SYSTEMS INC.
601 MERRITT 7
NORWALK, CT 06851		       EVP, Head of Trading&Analytics  

Signatures

 /s/ Robert J. Robie   03/29/2019
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) Price reported in Column 4 is a weighted average price based on various sales prices within a range. For the shares aggregating 800, the per share sales prices ranged from $239.14 to $240.13. The reporting person undertakes to provide FactSet, any security holder of FactSet and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each separate price within the ranges set forth in this footnote to this Form 4.
(2) Price reported in Column 4 is a weighted average price based on various sales prices within a range. For the shares aggregating 700, the per share sales prices ranged from $240.32 to $241.30. The reporting person undertakes to provide FactSet, any security holder of FactSet and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each separate price within the ranges set forth in this footnote to this Form 4.
(3) Price reported in Column 4 is a weighted average price based on various sales prices within a range. For the shares aggregating 920, the per share sales prices ranged from $241.52 to $242.49. The reporting person undertakes to provide FactSet, any security holder of FactSet and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each separate price within the ranges set forth in this footnote to this Form 4.
(4) Price reported in Column 4 is a weighted average price based on various sales prices within a range. For the shares aggregating 300, the per share sales prices ranged from $242.67 to $243.47. The reporting person undertakes to provide FactSet, any security holder of FactSet and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each separate price within the ranges set forth in this footnote to this Form 4.
(5) Price reported in Column 4 is a weighted average price based on various sales prices within a range. For the shares aggregating 934, the per share sales prices ranged from $243.00 to $243.13. The reporting person undertakes to provide FactSet, any security holder of FactSet and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each separate price within the ranges set forth in this footnote to this Form 4.
(6) Price reported in Column 4 is a weighted average price based on various sales prices within a range. For the shares aggregating 504, the per share sales prices ranged from $239.15 to $239.87. The reporting person undertakes to provide FactSet, any security holder of FactSet and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each separate price within the ranges set forth in this footnote to this Form 4.
(7) Price reported in Column 4 is a weighted average price based on various sales prices within a range. For the shares aggregating 300, the per share sales prices ranged from $240.32 to $241.30. The reporting person undertakes to provide FactSet, any security holder of FactSet and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each separate price within the ranges set forth in this footnote to this Form 4.
(8) Price reported in Column 4 is a weighted average price based on various sales prices within a range. For the shares aggregating 500, the per share sales prices ranged from $241.42 to $242.38. The reporting person undertakes to provide FactSet, any security holder of FactSet and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each separate price within the ranges set forth in this footnote to this Form 4.
(9) Price reported in Column 4 is a weighted average price based on various sales prices within a range. For the shares aggregating 163, the per share sales prices ranged from $242.49 to $243.47. The reporting person undertakes to provide FactSet, any security holder of FactSet and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each separate price within the ranges set forth in this footnote to this Form 4.
(10) Price reported in Column 4 is a weighted average price based on various sales prices within a range. For the shares aggregating 600, the per share sales prices ranged from $239.14 to $239.87. The reporting person undertakes to provide FactSet, any security holder of FactSet and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each separate price within the ranges set forth in this footnote to this Form 4.
(11) Price reported in Column 4 is a weighted average price based on various sales prices within a range. For the shares aggregating 510, the per share sales prices ranged from $240.14 to $240.47. The reporting person undertakes to provide FactSet, any security holder of FactSet and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each separate price within the ranges set forth in this footnote to this Form 4.
(12) Price reported in Column 4 is a weighted average price based on various sales prices within a range. For the shares aggregating 700, the per share sales prices ranged from $241.24 to $242.23. The reporting person undertakes to provide FactSet, any security holder of FactSet and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each separate price within the ranges set forth in this footnote to this Form 4.
(13) Price reported in Column 4 is a weighted average price based on various sales prices within a range. For the shares aggregating 414, the per share sales prices ranged from $242.25 to $242.76. The reporting person undertakes to provide FactSet, any security holder of FactSet and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each separate price within the ranges set forth in this footnote to this Form 4.
(14) Price reported in Column 4 is a weighted average price based on various sales prices within a range. For the shares aggregating 438, the per share sales prices ranged from $240.44 to $241.17. The reporting person undertakes to provide FactSet, any security holder of FactSet and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each separate price within the ranges set forth in this footnote to this Form 4.
(15) Price reported in Column 4 is a weighted average price based on various sales prices within a range. For the shares aggregating 600, the per share sales prices ranged from $242.44 to $243.47. The reporting person undertakes to provide FactSet, any security holder of FactSet and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each separate price within the ranges set forth in this footnote to this Form 4.
(16) Price reported in Column 4 is a weighted average price based on various sales prices within a range. For the shares aggregating 512, the per share sales prices ranged from $239.17 to $240.11. The reporting person undertakes to provide FactSet, any security holder of FactSet and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each separate price within the ranges set forth in this footnote to this Form 4.
(17) Price reported in Column 4 is a weighted average price based on various sales prices within a range. For the shares aggregating 301, the per share sales prices ranged from $240.28 to $240.99. The reporting person undertakes to provide FactSet, any security holder of FactSet and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each separate price within the ranges set forth in this footnote to this Form 4.
(18) Price reported in Column 4 is a weighted average price based on various sales prices within a range. For the shares aggregating 200, the per share sales prices ranged from $241.48 to $242.38. The reporting person undertakes to provide FactSet, any security holder of FactSet and the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold in each separate price within the ranges set forth in this footnote to this Form 4.
(19) Options granted on February 3, 2014 vest over a 5 year period with 60% exercisable three years after the grant date and the remaining 40% exercisable five years after the grant date.
(20) Options granted on May 1, 2015 vest over a 5 year period with 60% exercisable three years after the grant date and the remaining 40% exercisable five years after the grant date.
(21) Options granted on November 2, 2015 vest 20% annually on the anniversary date of the grant and are fully vested after five years.
(22) Options granted on November 1, 2016 vest 20% annually on the anniversary date of the grant and are fully vested after five years.
(23) Options granted on June 30, 2017 vest 20% annually on the anniversary date of the grant and are fully vested after five years.
(24) Options granted on November 2, 2017 vest 20% annually on the anniversary date of the grant and are fully vested after five years.

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