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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   BANSAL AJAY 2. Date of Event Requiring Statement (Month/Day/Year) 07/24/2013 3. Issuer Name and Ticker or Trading Symbol Onconova Therapeutics, Inc. [ONTX] (Last) (First) (Middle) C/O ONCONOVA THERAPEUTICS, INC., 375 PHEASANT RUN 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Financial Officer 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) NEWTOWN, PA 18940 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) 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 20,061 D Â

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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 of Derivative Security: 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
Series B Convertible Preferred Stock	  (2)	  (2)	Common Stock	28,181 (1)	$ (2)	D	Â
Stock Option (right to buy)	  (3)	03/21/2023	Common Stock	135,033	$ 13.28	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
BANSAL AJAY C/O ONCONOVA THERAPEUTICS, INC. 375 PHEASANT RUN NEWTOWN, PA 18940	Â	Â	  Chief Financial Officer	Â

Signatures

/s/ Ajay Bansal		07/24/2013
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Includes 806 shares held jointly with spouse.
(2)	The convertible preferred stock is convertible at any time, at the holder's election, and is automatically convertible immediately prior to the consummation of the Issuer's initial public offering on a 0.85-for-1 basis and has no expiration date.
(3)	This option, representing a right to purchase a total of 135,033 shares of Common Stock, is immediately exercisable and vests over 4 years from March 20, 2013, with 25% vesting on March 20, 2014 and 75% vesting in 36 equal monthly installments thereafter, subject to continued service to the Issuer through each vesting date.

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