SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* Kollender Richard S (Last) (First) (Middle) C/O QUAKER BIOVENTURES, L.P. 2929 ARCH STREET (Street) PHILADELPHIA PA 19104 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Celator Pharmaceuticals Inc [ NONE ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 04/29/2013
	4. 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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	04/29/2013		J(1)		49,434	A	$0	1,287,274	I	By Quaker BioVentures, L.P.(2)
Common Stock	04/29/2013		J(3)		59,995	A	$0	590,427	I	By Garden State Life Sciences Venture Fund, L.P.(4)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Warrant	$3.58	04/29/2013		J(1)		30,708		04/29/2013	04/29/2020	Common Stock	30,708	$0	30,708	I	By Quaker BioVentures, L.P.(2)
Warrant	$5.2123							08/28/2012	08/28/2019	Common Stock	27,418(5)		27,418	I	By Quaker BioVentures, L.P.(2)
Warrant	$3.58	04/29/2013		J(3)		35,737		04/29/2013	04/29/2020	Common Stock	35,737	$0	35,737	I	By Garden State Life Sciences Venture Fund, L.P.(4)
Warrant	$5.2123							08/28/2012	08/28/2019	Common Stock	31,908(6)		31,908	I	By Garden State Life Sciences Venture Fund, L.P.(4)

Explanation of Responses:

1. Quaker BioVentures, L.P. ("Quaker") was issued these securities as an anti-dilution adjustment with respect to previously acquired securities.

2. The Reporting Person is a partner in Quaker Partners Management, L.P., which manages the investments of Quaker. Quaker Partners Management, L.P. has a pecuniary interest in securities of the Issuer owned by Quaker. The Reporting Person disclaims beneficial ownership of the securities held by Quaker except to the extent of his pecuniary interest therein.

3. Garden State Life Sciences Venture Fund, L.P. ("Garden State") was issued these securities as an anti-dilution adjustment with respect to previously acquired securities.

4. The Reporting Person is a partner in Quaker Partners Management, L.P., which manages the investments of Garden State. Quaker Partners Management, L.P. has a pecuniary interest in securities of the Issuer owned by Garden State. The Reporting Person disclaims beneficial ownership of the securities held by Garden State except to the extent of his pecuniary interest therein.

5. Quaker was issued a warrant to purchase 16,391 shares of common stock on August 28, 2012. The number of shares that may be purchased upon exercise of this warrant was increased to 27,418 shares of common stock as part of an anti-dilution adjustment.

6. Garden State was issued a warrant to purchase 19,076 shares of common stock on August 28, 2012. The number of shares that may be purcased upon exercise of this warrant was increased to 31,908 shares of common stock as part of an anti-dilution adjustment.

Remarks:

	/s/ Richard S. Kollender	07/31/2013
	** 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 4 (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).
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