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* Capital Z Partners III GP, Ltd. (Last) (First) (Middle) 142 WEST 57TH STREET (Street) NEW YORK NY 10019 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol NewStar Financial, Inc. [ NEWS ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 04/24/2017
	4. 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 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								4,000,000	I(1)	See Footnote(1)
Common Stock								32,637	I(2)	See Footnote(2)
Common Stock	04/24/2017		M		5,000	A	$8.28	44,064	I(3)	See Footnote(3)
Common Stock	04/24/2017		F		3,820	D	$10.84	40,244	I(3)	See Footnote(3)

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
Stock Option (Right to Buy)	$8.28	04/24/2017		M			5,000	(4)	05/12/2017	Common Stock	5,000	$0	0	I	See Footnote(3)

1. Name and Address of Reporting Person* Capital Z Partners III GP, Ltd. (Last) (First) (Middle) 142 WEST 57TH STREET (Street) NEW YORK NY 10019 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Capital Z Partners Management, LLC (Last) (First) (Middle) 142 WEST 57TH STREET (Street) NEW YORK NY 10019 (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* Capital Z Partners III, L.P. (Last) (First) (Middle) 142 WEST 57TH STREET (Street) NEW YORK NY 10019 (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* Capital Z Partners III GP, L.P. (Last) (First) (Middle) 142 WEST 57TH STREET (Street) NEW YORK NY 10019 (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* COOPER BRADLEY E (Last) (First) (Middle) 142 WEST 57TH STREET (Street) NEW YORK NY 10019 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. Represents securities held directly by Capital Z Partners III, L.P. ("Capital Z III Fund"). The sole general partner of Capital Z III Fund is Capital Z Partners III GP, L.P. ("Capital Z III GP LP"), whose sole general partner is Capital Z Partners III GP, Ltd. ("Capital Z III GP LTD"). CZPM performs investment management services for Capital Z III Fund. By reason of the provisions of Rule 16a-1 of the Exchange Act, Capital Z III GP LP, Capital Z III LP LTD and CZPM may be deemed to be the beneficial owners of the securities held by Capital Z III Fund, but each individual entity described above disclaims beneficial ownership of securities held by any other entity except to the extent of any indirect pecuniary interest therein.

2. Directly owned by Bradley E. Cooper. Bradley E. Cooper is a limited partner of Capital Z III GP LP, and he is an officer and co-owner of CZPM. Mr. Cooper disclaims beneficial ownership of securities beneficially owned by them, except to the extent of any pecuniary interest therein.

3. Represents securities held directly by CZPM.

4. Fully vested.

Remarks:

	/s/ Craig Fisher, Authorized Signatory for Capital Z Partners III GP, Ltd.	04/26/2017
	/s/ Craig Fisher, Authorized Signatory for Capital Z Partners Management, LLC	04/26/2017
	/s/ Craig Fisher, Authorized Signatory for Capital Z Partners III, L.P.	04/26/2017
	/s Craig Fisher, Authorized Signatory for Capital Z Partners III GP, L.P.	04/26/2017
	/s/ Bradley E. Cooper	04/26/2017
	** Signature of Reporting Person	Date
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