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Airgas, Inc.
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(Name of Issuer)
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Common
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(Title of Class of Securities)
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009363102
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(CUSIP Number)
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December 31, 2010
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(Date of Event Which Requires Filing of this Statement)
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o
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Rule 13d-1(b)
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T
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Rule 13d-1(c)
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o
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Rule 13d-1(d)
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*
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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 the disclosures provided in a prior cover page.
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1.
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NAME OF REPORTING PERSONS
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I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)
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Pentwater Capital Management LP
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2.
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CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
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(a) o
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(b) T
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3.
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SEC USE ONLY
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4.
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CITIZENSHIP OR PLACE OF ORGANIZATION
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Delaware USA
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5.
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SOLE VOTING POWER
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NUMBER OF
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0
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SHARES
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6.
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SHARED VOTING POWER
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BENEFICIALLY
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||
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OWNED BY
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4,548,300
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EACH
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7.
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SOLE DISPOSITIVE POWER
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REPORTING
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||
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PERSON
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0
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WITH
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8.
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SHARED DISPOSITIVE POWER
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4,548,300
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9.
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AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
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4,548,300
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10.
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CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
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o
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11.
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PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
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5.41%
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12.
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TYPE OF REPORTING PERSON*
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IA
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Item 1(a).
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Name of Issuer:
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Item 1(b).
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Address of Issuer's Principal Executive Offices:
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Item 2(a).
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Name of Person Filing:
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Item 2(b).
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Address of Principal Business Office, or if None, Residence:
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Item 2(c).
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Citizenship:
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Item 2(d).
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Title of Class of Securities:
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Item 2(e).
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CUSIP Number:
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Item 3.
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If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or (c), Check Whether the Person Filing is a:
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(a)
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o
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Broker or dealer registered under Section 15 of the Exchange Act.
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(b)
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o
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Bank as defined in Section 3(a)(6) of the Exchange Act.
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(c)
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o
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Insurance company as defined in Section 3(a)(19) of the Exchange Act.
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(d)
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o
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Investment company registered under Section 8 of the Investment Company Act.
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(e)
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o
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An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);
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(f)
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o
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An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);
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(g)
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o
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A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G);
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(h)
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o
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A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act;
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(i)
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o
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A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act;
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(j)
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o
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Group, in accordance with
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Item 4.
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Ownership.
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(a)
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Amount beneficially owned:
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(b)
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Percent of class:
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(c)
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Number of shares as to which such person has:
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(i)
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Sole power to vote or to direct the vote
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(ii)
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Shared power to vote or to direct the vote
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(iii)
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Sole power to dispose or to direct the disposition of
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(iv)
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Shared power to dispose or to direct the disposition of
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Item 5.
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Ownership of Five Percent or Less of a Class.
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Item 6.
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Ownership of More Than Five Percent on Behalf of Another Person.
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Item 7.
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Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
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Item 8.
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Identification and Classification of Members of the Group.
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Item 9.
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Notice of Dissolution of Group.
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Item 10.
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Certifications.
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January 21, 2011
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(Date)
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/s/ Neal Nenadovic |
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(Signature)
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Neal Nenadovic/ Chief Financial Officer
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(Name/Title)
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