Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*

Ruchefsky Steven B

2. Date of Event Requiring Statement (MM/DD/YYYY) 1/25/2013

3. Issuer Name and Ticker or Trading Symbol

Arno Therapeutics, Inc [ARNI]

(Last) (First) (Middle)

C/O ARNO THERAPEUTICS, INC., 200 ROUTE 31 NORTH, SUITE 104

4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)

(Street)

FLEMINGTON, NJ 08822

(City) (State) (Zip)

5. If Amendment, Date Original Filed (MM/DD/YYYY)

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 Stock	2246109	I	By Commercial Street Capital, LLC ⁽¹⁾

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Stock Option (right to buy)	⁽²⁾	11/5/2020	Common Stock	30000	$1.00	D
Warrants (right to buy)	9/9/2010	9/9/2015	Common Stock	25000	$1.10	D
Class A Warrants (right to buy)	9/9/2010	3/9/2013	Common Stock	176000	$.5268	I	By Commercial Street Capital, LLC ⁽¹⁾
Class B Warrants (right to buy)	9/9/2010	9/9/2015	Common Stock	924000	$.5649	I	By Commercial Street Capital, LLC ⁽¹⁾
8% Senior Convertible Debentures	11/26/2012	11/26/2015	Common Stock	4166667	$.30	I	By Commercial Street Capital, LLC ⁽¹⁾
Series A Warrants (right to buy)	11/26/2012	11/26/2017	Common Stock	4166667	$.50	I	By Commercial Street Capital, LLC ⁽¹⁾
Series B Warrants (right to buy)	11/26/2012	5/26/2014	Common Stock	4166667	$.30	I	By Commercial Street Capital, LLC ⁽¹⁾

Explanation of Responses:
( 1)	The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for purposes of Section 16 or for any other purpose.
( 2)	Vesting in three equal annual installments commencing 11/5/11.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Ruchefsky Steven B C/O ARNO THERAPEUTICS, INC. 200 ROUTE 31 NORTH, SUITE 104 FLEMINGTON, NJ 08822	X

Signatures
/s/ Steven B. Ruchefsky		2/6/2013
^** 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).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.