Darwin Professional Underwriters Inc - Statement of Changes in Beneficial Ownership (4)

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0287 Expires: February 28, 2011 Estimated average burden hours per response... 0.5
	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(f) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * Sills Stephen Jay	2. Issuer Name and Ticker or Trading Symbol Darwin Professional Underwriters Inc [ DR ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __ X __ Director                      _____ 10% Owner __ X __ Officer (give title below)      _____ Other (specify below) President and CEO
(Last)          (First)          (Middle) 9 FARM SPRINGS ROAD	3. Date of Earliest Transaction (MM/DD/YYYY) 6/6/2008
(Street) FARMINGTON, CT 06032 (City)        (State)        (Zip)	4. 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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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	6/6/2008	6/6/2008	J (1)		21386	A (1)	(1)	295404	D
Common Stock	6/6/2008	6/6/2008	J (1)		21386	D (1)	(1)	439819	I	By trusts   (2)
Common Stock	6/6/2008   (3)	(3)	J (3)		1000	D (3)	(3)	0	I	By child
Common Stock	6/6/2008   (3)	(3)	J (3)		900	D (3)	(3)	0	I	by child
Common Stock	6/6/2008   (3)	(3)	J (3)		1050	D (3)	(3)	0	I	by Child
Common Stock								900	I	By reporting person as UTMA custodian

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		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 of Derivative Security: 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

Explanation of Responses:
( 1)	Represents a change in form of beneficial ownership from indirect to direct, through a transfer of shares out of Reporting Person's 2006 grantor annuity trust ("2006 GRAT") in accordance with the terms of the 2006 GRAT document. No change in reporting person's pecuniary interest in the transferred shares occurred as a result of this transaction.
( 2)	Shares held by grantor trusts ("GRATs") established by the Reporting Person in 2006, 2007 and 2008.
( 3)	Represents a change in status of shares of Common Stock owned by the Reporting Person's adult child. Previously, such shares had been reported as beneficially owned, with the Reporting Person disclaiming beneficial ownership. Reporting person has no pecuniary interest, nor any voting control over such shares, and such shares will no longer be reported as beneficially owned.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Sills Stephen Jay 9 FARM SPRINGS ROAD FARMINGTON, CT 06032	X		President and CEO

Signatures
Stephen J. Sills by Timothy J. Curry, attorney-in-fact		6/24/2008
** 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).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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