SEC Form 4

FORM 4		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 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Hale Mark J. (Last) (First) (Middle) 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) Director 10% Owner X Officer (give title below) Other (specify below) Chief Operating Officer
	3. Date of Earliest Transaction (Month/Day/Year) 01/22/2018
	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 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	01/22/2018		M		3,551	A	$152.28	6,268	D
FactSet Common Stock	01/22/2018		M		12,035	A	$92.22	18,303	D
FactSet Common Stock	01/22/2018		M		3,945	A	$92.22	22,248	D
FactSet Common Stock	01/22/2018		M		8,070	A	$131.31	30,318	D
FactSet Common Stock	01/22/2018		M		5,100	A	$175.2	35,418	D
FactSet Common Stock	01/22/2018		M		15,300	A	$175.2	50,718	D
FactSet Common Stock	01/22/2018		S		12,305	D	$199.6	38,413	D
FactSet Common Stock	01/23/2018		S		35,696	D	$198.02	2,717	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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Non-Qualified Stock Option (right to buy)	$152.28	01/22/2018		M			3,551	(1)	(1)	FactSet Common Stock	3,551	(2)	44,450	D
Non-Qualified Stock Option (right to buy)	$92.22	01/22/2018		M			12,035	(1)	(1)	FactSet Common Stock	12,035	(2)	32,415	D
Non-Qualified Stock Option (right to buy)	$92.22	01/22/2018		M			3,945	(1)	(1)	FactSet Common Stock	3,945	(2)	28,470	D
Non-Qualified Stock Option (right to buy)	$131.31	01/22/2018		M			8,070	(1)	(1)	FactSet Common Stock	8,070	(2)	20,400	D
Non-Qualified Stock Option (right to buy)	$175.2	01/22/2018		M			5,100	(1)	(1)	FactSet Common Stock	5,100	(2)	15,300	D
Non-Qualified Stock Option (right to buy)	$175.2	01/22/2018		M			15,300	(1)	(1)	FactSet Common Stock	15,300	(2)	0	D

Explanation of Responses:

1. On November 14, 2017, FactSet Research Systems Inc. ("FactSet" or the "Company") announced that Mark J. Hale would separate from his position as Executive Vice President, Chief Operating Officer. The separation was effective on December 31, 2017. Under the terms of the separation of employment and general release agreement with Mark J. Hale (the "Agreement"), Mr. Hale received the acceleration of the vesting of certain outstanding stock options, with the expiration date subject to the standard terms of the Company's option agreement.

2. Column 8 has been intentionally left blank as the transaction was an exercise of a derivative security.

	/s/ Mark J. Hale	01/24/2018
	** Signature of Reporting Person	Date
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