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* Xstelos Holdings, Inc. (Last) (First) (Middle) 630 FIFTH AVENUE SUITE 2260 (Street) NEW YORK NY 10020 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 02/27/2013	3. Issuer Name and Ticker or Trading Symbol Myrexis, Inc. [ MYRX ]
		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) Form filed by One Reporting Person X 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 stock, $0.01 par value(1)	7,000,000	I(2)	By Xstelos Corp.

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

1. Name and Address of Reporting Person* Xstelos Holdings, Inc. (Last) (First) (Middle) 630 FIFTH AVENUE SUITE 2260 (Street) NEW YORK NY 10020 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Xstelos Corp. (Last) (First) (Middle) 630 FIFTH AVENUE SUITE 2260 (Street) NEW YORK NY 10020 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. This Form 3 is filed jointly by Xstelos Holdings, Inc. ("Xstelos") and Xstelos Corp. Xstelos may be deemed to be a 10% owner of the Issuer and Xstelos Corp. is a 10% owner of the Issuer.

2. Shares owned directly by Xstelos Corp. and owned indirectly by Xstelos by virtue of Xstelos Corp. being a wholly owned subsidiary of Xstelos. Xstelos disclaims beneficial ownership of the shares of Common Stock owned by Xstelos Corp. except to the extent of its pecuniary interest therein.

	By: Xstelos Holdings, Inc., By: /s/ Jonathan M. Couchman, Chief Executive Officer	03/11/2013
	By: Xstelos Corp., By: /s/ Jonathan M. Couchman, Chief Executive Officer	03/11/2013
	** 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 5 (b)(v).
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