SEC FORM 4

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

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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^*

DENNING STEVEN A

(Last)

(First)

(Middle)

GENERAL ATLANTIC SERVICE COMPANY, LLC

3 PICKWICK PLAZA

(Street)

GREENWICH

06830

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
IHS Inc. [ IHS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
09/22/2009

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Class A Common Stock	09/23/2009		S		811,542	D	$50.75	1,585,409⁽⁶⁾	I	See Footnote⁽¹⁾
Class A Common Stock	09/23/2009		S		235,069	D	$50.75	1,585,409⁽⁶⁾	I	See Footnote⁽²⁾
Class A Common Stock	09/23/2009		S		66,403	D	$50.75	1,585,409⁽⁶⁾	I	See Footnote⁽³⁾
Class A Common Stock	09/23/2009		S		15,056	D	$50.75	1,585,409⁽⁶⁾	I	See Footnote⁽⁴⁾
Class A Common Stock	09/22/2009		J		21,930	D	⁽⁵⁾	1,585,409⁽⁶⁾	I	See Footnote⁽³⁾

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. By General Atlantic Partners, 82, L.P. ("GAP 82"). See footnote 6.

2. By GAP-W, LLC ("GAP-W"). See footnote 6.

3. By GAP Coinvestments III, LLC ("GAPCO III"). See footnote 6.

4. By GAP Coinvestments IV, LLC ("GAPCO IV"). See footnote 6.

5. Distribution of shares of Class A Common Stock to certain members of GAPCO III.

6. Amount of securities beneficially owned following September 23, 2009 reported transactions represents 901,235 shares owned by GAP 82,569,359 shares owned by GAP-W, 98,096 shares owned by GAPCO III and 16,719 shares owned by GAPCO IV. General Atlantic LLC ("GA LLC") is the general partner of GAP 82 and General Atlantic GenPar, L.P. ("GA GenPar"). GA GenPar is the manager of GAP-W. The Managing Directors of GA LLC are Managing Members of GAPCO III and GAPCO IV. Mr. Denning is Chairman and a Managing Director of GA LLC and a Managing Member of each of GAPCO III and GAPCO IV, and disclaims beneficial ownership of all shares reported herein except to the extent of his pecuniary interest in such shares.

	/s/ Steven A. Denning	09/24/2009
	** 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).
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