SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES 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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1. Name and Address of Reporting Person* RENTECH, INC. (Last) (First) (Middle) 10877 WILSHIRE BLVD. 10TH FLOOR (Street) LOS ANGELES 90024 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 04/04/2016	3. Issuer Name and Ticker or Trading Symbol CVR PARTNERS, LP [ UAN ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. 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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Units(1)	7,187,630	I	By Rentech Nitrogen Holdings, Inc.(2)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Acquired pursuant to the Agreement and Plan of Merger, dated August 9, 2015, by and among CVR Partners, LP ("CVR Partners"), Lux Merger Sub 1 LLC, Lux Merger Sub 2 LLC, Rentech Nitrogen Partners, L.P. and Rentech Nitrogen GP, LLC ("Rentech Nitrogen"), pursuant to which each outstanding common unit representing a limited partner interest in Rentech Nitrogen, other than certain units held by affiliates of CVR Partners, were converted into the right to receive 1.04 newly issued common unit representing a limited partner interest in CVR Partners and $2.57 in cash.

2. Rentech Nitrogen Holdings, Inc. is a directly, wholly-owned subsidiary of Rentech Development Corporation. Rentech Development Corporation is a direct, wholly-owned subsidiary of Rentech, Inc.

Remarks:

The reporting person disclaims beneficial ownership of all Common Units in excess of its pecuniary interest, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

	/s/ Colin M. Morris, Authorized Person	04/11/2016
	** Signature of Reporting Person	Date
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