UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
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SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 10)*
THE HOUSTON EXPLORATION COMPANY
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(Name of Issuer)
Common Stock, $0.01 Par Value
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(Title of Class of Securities)
442120101
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(CUSIP Number)
Marc Weingarten, Esq.
Schulte Roth & Zabel LLP
919 Third Avenue
New York, New York 10022
(212) 756-2000
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(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)
August 18, 2006
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(Date of Event which Requires
Filing of This Statement)
If the filing person has previously filed a statement on Schedule 13G
to report the acquisition that is the subject of this Schedule 13D, and is
filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the
following box. [ ]
NOTE: Schedules filed in paper format shall include a signed original
and five copies of the schedule, including all exhibits. See Rule 13d-7 for
other parties to whom copies are to be sent.
(Continued on following pages)
(Page 1 of 5 Pages)
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* The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter
disclosures provided in a prior cover page.
The information required on the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act (however, see
the Notes).
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CUSIP NO. 442120101 SCHEDULE 13D PAGE 2 OF 5 PAGES
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1 NAME OF REPORTING PERSON
I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY)
JANA PARTNERS LLC
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [ ]
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3 SEC USE ONLY
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4 SOURCE OF FUNDS*
AF
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5 CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT
TO ITEM 2(d) or 2(e) [ ]
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6 CITIZENSHIP OR PLACE OF ORGANIZATION
Delaware
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7 SOLE VOTING POWER
4,130,900
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NUMBER OF 8 SHARED VOTING POWER
SHARES
BENEFICIALLY -0-
OWNED BY ---------------------------------------------------------
EACH 9 SOLE DISPOSITIVE POWER
REPORTING
PERSON WITH 4,130,900
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10 SHARED DISPOSITIVE POWER
-0-
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11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON
4,130,900
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12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES
CERTAIN SHARES*
[ ]
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13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
14.8%
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14 TYPE OF REPORTING PERSON*
IA
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* SEE INSTRUCTIONS BEFORE FILLING OUT!
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CUSIP NO. 442120101 SCHEDULE 13D PAGE 3 OF 5 PAGES
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The Schedule 13D filed on February 21, 2006 by Jana Partners LLC, a
Delaware limited liability company (the "Reporting Person"), relating to the
shares ("Shares") of common stock, $0.01 par value, of The Houston Exploration
Company (the "Issuer"), as previously amended by Amendment No. 1 to the Schedule
13D filed on April 17, 2006, Amendment No. 2 to the Schedule 13D filed on April
24, 2006, Amendment No. 3 to the Schedule 13D filed on April 28, 2006, Amendment
No. 4 to the Schedule 13D filed on May 3, 2006, Amendment No. 5 to the Schedule
13D filed on May 16, 2006, Amendment No. 6 to the Schedule 13D filed on June 2,
2006, Amendment No. 7 to the Schedule 13D filed on June 7, 2006, Amendment No. 8
to the Schedule 13D filed on June 12, 2006,and Amendment No. 9 to the Schedule
13D filed on June 22, 2006 is hereby further amended as set forth below by this
Amendment No. 10 to the Schedule 13D.
Item 3. Source and Amount of Funds or Other Consideration.
Item 3 of the Schedule 13D is hereby amended and restated as follows:
As of the date of this filing, the Reporting Person may be deemed the
beneficial owner of 4,130,900 Shares. The aggregate purchase price of the Shares
owned beneficially by the Reporting Person is approximately $235,599,744. Such
Shares were acquired with investment funds in accounts under management.
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CUSIP NO. 442120101 SCHEDULE 13D PAGE 4 OF 5 PAGES
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Item 5. Interest in Securities of the Company.
Paragraphs (a), (b) and (c) of Item 5 of the Schedule 13D are hereby amended
and restated as follows:
(a) The aggregate percentage of Shares reported to be beneficially owned
by the Reporting Person is based upon 27,994,964 Shares outstanding, which is
the total number of Shares outstanding as of August 7, 2006 as reported in the
Issuer's quarterly report for the quarter ended June 30, 2006.
As of the close of business on August 21, 2006, the Reporting Person may
be deemed to beneficially own 4,130,900 Shares constituting approximately 14.8%
of the Shares outstanding.
(b) The Reporting Person has sole voting and dispositive powers over
the 4,130,900 Shares reported herein, which powers are exercised by the
Principals.
(c) The following transactions in the Shares were effected by the
Reporting Person since the most recent filing of Schedule 13D. All of the
transactions in the Shares were effected in open market purchases on the NYSE
through various brokerage entities.
Date of Shares Purchased Price Per
Transaction (Sold) Share ($)
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8/17/2006 53,300 $61.54
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8/17/2006 100 $61.53
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8/17/2006 24,500 $61.46
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8/18/2006 271,800 $62.44
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8/18/2006 16,400 $62.71
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8/21/2006 28,000 $62.83
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8/21/2006 3,200 $62.90
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CUSIP NO. 442120101 SCHEDULE 13D PAGE 5 OF 5 PAGES
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SIGNATURES
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.
Dated: August 21, 2006
JANA PARTNERS LLC
By: /s/ Barry Rosenstein
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Name: Barry Rosenstein
Title: Managing Partner
By: /s/ Gary Claar
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Name: Gary Claar
Title: Managing Director