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(Amendment No.  3)

 

 

 

 

Nordion Inc.

(Name of Issuer)

Common Shares, no par value

(Title of Class of Securities)

65563C105

(CUSIP Number)

December 31, 2012

(Date of Event Which Requires Filing of this Statement)

 

o	Rule 13d-1(b)
x	Rule 13d-1(c)
o	Rule 13d-1(d)

 

 

 

 

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	1.	Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Park West Asset Management LLC
	2.	Check the Appropriate Box if a Member of a Group (See Instructions)
		(a)
		(b)
	3.	SEC Use Only
	4.	Citizenship or Place of Organization: Delaware
Number of Shares Beneficially Owned by Each Reporting Person With
			5.	Sole Voting Power – 0
			6.	Shared Voting Power – None
			7.	Sole Dispositive Power – 0
			8.	Shared Dispositive Power – None
	9.	Aggregate Amount Beneficially Owned by Each Reporting Person – 0
	10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) Not applicable
	11.	Percent of Class Represented by Amount in Row (9): - 0%
	12.	Type of Reporting Person – IA

 

	1.	Names of Reporting Persons. I.R.S. Identification Nos. of above persons (entities only). Peter S. Park
	2.	Check the Appropriate Box if a Member of a Group (See Instructions)
		(a)
		(b)
	3.	SEC Use Only
	4.	Citizenship or Place of Organization: United States of America
Number of Shares Beneficially Owned by Each Reporting Person With
			5.	Sole Voting Power – 0
			6.	Shared Voting Power – None
			7.	Sole Dispositive Power – 0
			8.	Shared Dispositive Power – None
	9.	Aggregate Amount Beneficially Owned by Each Reporting Person – 0
	10.	Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) Not applicable
	11.	Percent of Class Represented by Amount in Row (9):  0%
	12.	Type of Reporting Person – IN

Item 1.
	(a)		Name of Issuer – Nordion Inc. (the “Company”)
	(b)		Address of Issuer’s Principal Executive Offices — 447 March Road, Ottawa, Ontario Canada  K2K 1X8
Item 2.
	(a)		Name of Persons Filing – (1) Park West Asset Management LLC, a Delaware limited liability company (“PWAM”), (2) Peter S. Park; and (3) Park West Investors Masters Fund, Limited, a Cayman Islands exempted company (“PWIMF”) (collectively, the “Reporting Persons”)
	(b)		Address of Principal Business Office or, if none, Residence — 900 Larkspur Landing Circle, Suite 165, Larkspur, California 94939
	(c)		Citizenship – (1) Delaware; (2) United States of America; (3) Cayman Islands
	(d)		Title of Class of Securities- Common Shares, no par value (the “Issuer Common Stock” or “Shares”)
	(e)		CUSIP Number- 65563C105
Item 3.
		If this statement is filed pursuant to Rule 13d-1(b) or 13d-2(b) or (c), check whether the person filing is a:
		(a)	o	Broker or dealer registered under section 15 of the Act.
		(b)	o	Bank as defined in section 3(a)(6) of the Act.
		(c)	o	Insurance company as defined in section 3(a)(19) of the Act.
		(d)	o	Investment company registered under section 8 of the Investment Company Act of 1940.
		(e)	o	An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);
		(f)	o	An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);
		(g)	o	A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G);
		(h)	o	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act;
		(i)	o	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940;
		(j)	o	Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

 

Item 4.
	Ownership
	(a)	Amount beneficially owned — PWAM is the investment manager of PWIMF and Park West Partners International, Limited, a Cayman Islands exempted company (“PWPI”).  Peter S. Park is the sole member and manager of PWAM.   As of December 31, 2012, the Reporting Persons’ beneficial ownership were as follows: (i) PWAM beneficially owned 0 Shares,  (ii) Peter S. Park, as sole member and manager of PWAM, beneficially owned 0 Shares beneficially owned by PWAM; and (iii) PWIMF beneficially owned 0 Shares.   The Reporting Persons, within the ordinary course of business, previously purchased securities of the Company.  The Reporting Persons did not acquire securities in the Company with the purpose, nor with the effect of changing or influencing the control of the issuer, nor in connection with or as a participant in any transaction having such purpose or effect.  The Reporting Persons previously purchased, and may in the future purchase, shares on the open market at prevailing prices.
	(b)	Percent of class —As of December 31, 2012, the Reporting Persons’ beneficial ownership, were as follows:  (i) PWAM beneficially owned 0% of the outstanding Issuer Common Shares; (ii) Peter S. Park beneficially owned 0% of the outstanding Issuer Common Shares; (iii) PWIMF beneficially owned 0% of the outstanding Issuer Common Shares.
	(c)	Number of shares as to which the person has:
		(i)	Sole power to vote or to direct voting — 0
		(ii)	Shared power to vote or to direct voting — 0
		(iii)	Sole power to dispose or to direct disposition — 0
		(iv)	Shared power to dispose or to direct disposition — 0

Item 7.
	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.
Not Applicable.
Item 8.
	Identification and Classification of Members of the Group
Not Applicable.
Item 9.
	Notice of Dissolution of Group
Not Applicable.
Item 10.
	Certification
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

 

 

 

 

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